diff options
Diffstat (limited to 'arch/sparc/include')
29 files changed, 2622 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/arch-leon2/asi.h b/arch/sparc/include/asm/arch-leon2/asi.h new file mode 100644 index 0000000..38fdd5c --- /dev/null +++ b/arch/sparc/include/asm/arch-leon2/asi.h @@ -0,0 +1,36 @@ +/* asi.h: Address Space Identifier values for the LEON2 sparc. + * + * Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _LEON2_ASI_H +#define _LEON2_ASI_H + +#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */ +#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */ +#define ASI_IFLUSH 0x05 /* Flush I-Cache */ +#define ASI_DFLUSH 0x06 /* Flush D-Cache */ +#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */ +#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */ +#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */ + +#endif /* _LEON2_ASI_H */ diff --git a/arch/sparc/include/asm/arch-leon3/asi.h b/arch/sparc/include/asm/arch-leon3/asi.h new file mode 100644 index 0000000..700b3ca --- /dev/null +++ b/arch/sparc/include/asm/arch-leon3/asi.h @@ -0,0 +1,36 @@ +/* asi.h: Address Space Identifier values for the LEON3 sparc. + * + * Copyright (C) 2008 Daniel Hellstrom (daniel@gaisler.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _LEON3_ASI_H +#define _LEON3_ASI_H + +#define ASI_CACHEMISS 0x01 /* Force D-Cache miss on load (lda) */ +#define ASI_M_FLUSH_PROBE 0x03 /* MMU Flush/Probe */ +#define ASI_IFLUSH 0x10 /* Flush I-Cache */ +#define ASI_DFLUSH 0x11 /* Flush D-Cache */ +#define ASI_BYPASS 0x1c /* Bypass MMU (Physical address) */ +#define ASI_MMUFLUSH 0x18 /* FLUSH TLB */ +#define ASI_M_MMUREGS 0x19 /* READ/Write MMU Registers */ + +#endif /* _LEON3_ASI_H */ diff --git a/arch/sparc/include/asm/asi.h b/arch/sparc/include/asm/asi.h new file mode 100644 index 0000000..bf6d70f --- /dev/null +++ b/arch/sparc/include/asm/asi.h @@ -0,0 +1,32 @@ +/* Address Space Identifier (ASI) values for sparc processors. + * + * (C) Copyright 2008 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_ASI_H +#define _SPARC_ASI_H + +/* ASI numbers are processor implementation specific */ +#include <asm/arch/asi.h> + +#endif /* _SPARC_ASI_H */ diff --git a/arch/sparc/include/asm/asmmacro.h b/arch/sparc/include/asm/asmmacro.h new file mode 100644 index 0000000..aeb87ee --- /dev/null +++ b/arch/sparc/include/asm/asmmacro.h @@ -0,0 +1,45 @@ +/* Assembler macros for SPARC + * + * (C) Copyright 2007, taken from linux asm-sparc/asmmacro.h + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_ASMMACRO_H__ +#define __SPARC_ASMMACRO_H__ + +#include <config.h> + +/* All trap entry points _must_ begin with this macro or else you + * lose. It makes sure the kernel has a proper window so that + * c-code can be called. + */ +#define SAVE_ALL_HEAD \ + sethi %hi(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-TEXT_BASE)), %l4; \ + jmpl %l4 + %lo(trap_setup+(CONFIG_SYS_RELOC_MONITOR_BASE-TEXT_BASE)), %l6; +#define SAVE_ALL \ + SAVE_ALL_HEAD \ + nop; + +/* All traps low-level code here must end with this macro. */ +#define RESTORE_ALL b ret_trap_entry; clr %l6; + +#endif diff --git a/arch/sparc/include/asm/atomic.h b/arch/sparc/include/asm/atomic.h new file mode 100644 index 0000000..636498d --- /dev/null +++ b/arch/sparc/include/asm/atomic.h @@ -0,0 +1,29 @@ +/* SPARC atomic operations + * + * (C) Copyright 2008 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _ASM_SPARC_ATOMIC_H_ +#define _ASM_SPARC_ATOMIC_H_ + +#endif /* _ASM_SPARC_ATOMIC_H_ */ diff --git a/arch/sparc/include/asm/bitops.h b/arch/sparc/include/asm/bitops.h new file mode 100644 index 0000000..ceb39f2 --- /dev/null +++ b/arch/sparc/include/asm/bitops.h @@ -0,0 +1,29 @@ +/* Bit string operations on the SPARC + * + * (C) Copyright 2007, taken from asm-ppc/bitops.h + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_BITOPS_H +#define _SPARC_BITOPS_H + +#endif /* _SPARC_BITOPS_H */ diff --git a/arch/sparc/include/asm/byteorder.h b/arch/sparc/include/asm/byteorder.h new file mode 100644 index 0000000..b9fc656 --- /dev/null +++ b/arch/sparc/include/asm/byteorder.h @@ -0,0 +1,37 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2008 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_BYTEORDER_H +#define _SPARC_BYTEORDER_H + +#include <asm/types.h> + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +#define __BYTEORDER_HAS_U64__ +#endif +#include <linux/byteorder/big_endian.h> +#endif /* _SPARC_BYTEORDER_H */ diff --git a/arch/sparc/include/asm/cache.h b/arch/sparc/include/asm/cache.h new file mode 100644 index 0000000..03e8d94 --- /dev/null +++ b/arch/sparc/include/asm/cache.h @@ -0,0 +1,31 @@ +/* + * (C) Copyright 2008, + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_CACHE_H__ +#define __SPARC_CACHE_H__ + +#include <linux/config.h> +#include <asm/processor.h> + +#endif diff --git a/arch/sparc/include/asm/config.h b/arch/sparc/include/asm/config.h new file mode 100644 index 0000000..36438be --- /dev/null +++ b/arch/sparc/include/asm/config.h @@ -0,0 +1,26 @@ +/* + * Copyright 2009 Freescale Semiconductor, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _ASM_CONFIG_H_ +#define _ASM_CONFIG_H_ + +#define CONFIG_LMB + +#endif diff --git a/arch/sparc/include/asm/errno.h b/arch/sparc/include/asm/errno.h new file mode 100644 index 0000000..4c82b50 --- /dev/null +++ b/arch/sparc/include/asm/errno.h @@ -0,0 +1 @@ +#include <asm-generic/errno.h> diff --git a/arch/sparc/include/asm/global_data.h b/arch/sparc/include/asm/global_data.h new file mode 100644 index 0000000..dea2857 --- /dev/null +++ b/arch/sparc/include/asm/global_data.h @@ -0,0 +1,89 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef __ASM_GBL_DATA_H +#define __ASM_GBL_DATA_H + +#include "asm/types.h" + +/* + * The following data structure is placed in some memory wich is + * available very early after boot (like DPRAM on MPC8xx/MPC82xx, or + * some locked parts of the data cache) to allow for a minimum set of + * global variables during system initialization (until we have set + * up the memory controller so that we can use RAM). + * + * Keep it *SMALL* and remember to set CONFIG_SYS_GBL_DATA_SIZE > sizeof(gd_t) + */ + +typedef struct global_data { + bd_t *bd; + unsigned long flags; + unsigned long baudrate; + unsigned long cpu_clk; /* CPU clock in Hz! */ + unsigned long bus_clk; + + phys_size_t ram_size; /* RAM size */ + unsigned long reloc_off; /* Relocation Offset */ + unsigned long reset_status; /* reset status register at boot */ + unsigned long env_addr; /* Address of Environment struct */ + unsigned long env_valid; /* Checksum of Environment valid? */ + unsigned long have_console; /* serial_init() was called */ + +#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO) + unsigned long fb_base; /* Base address of framebuffer memory */ +#endif +#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER) + unsigned long post_log_word; /* Record POST activities */ + unsigned long post_init_f_time; /* When post_init_f started */ +#endif +#ifdef CONFIG_BOARD_TYPES + unsigned long board_type; +#endif +#ifdef CONFIG_MODEM_SUPPORT + unsigned long do_mdm_init; + unsigned long be_quiet; +#endif +#ifdef CONFIG_LWMON + unsigned long kbd_status; +#endif + void **jt; /* jump table */ +} gd_t; + +/* + * Global Data Flags + */ +#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */ +#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */ +#define GD_FLG_SILENT 0x00004 /* Silent mode */ +#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */ +#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */ +#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */ +#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */ + +#define DECLARE_GLOBAL_DATA_PTR register volatile gd_t *gd asm ("%g7") + +#endif /* __ASM_GBL_DATA_H */ diff --git a/arch/sparc/include/asm/io.h b/arch/sparc/include/asm/io.h new file mode 100644 index 0000000..0c5d86c --- /dev/null +++ b/arch/sparc/include/asm/io.h @@ -0,0 +1,98 @@ +/* SPARC I/O definitions + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_IO_H +#define _SPARC_IO_H + +/* Nothing to sync, total store ordering (TSO)... */ +#define sync() + +/* Forces a cache miss on read/load. + * On some architectures we need to bypass the cache when reading + * I/O registers so that we are not reading the same status word + * over and over again resulting in a hang (until an IRQ if lucky) + * + */ +#ifndef CONFIG_SYS_HAS_NO_CACHE +#define READ_BYTE(var) SPARC_NOCACHE_READ_BYTE((unsigned int)(var)) +#define READ_HWORD(var) SPARC_NOCACHE_READ_HWORD((unsigned int)(var)) +#define READ_WORD(var) SPARC_NOCACHE_READ((unsigned int)(var)) +#define READ_DWORD(var) SPARC_NOCACHE_READ_DWORD((unsigned int)(var)) +#else +#define READ_BYTE(var) (var) +#define READ_HWORD(var) (var) +#define READ_WORD(var) (var) +#define READ_DWORD(var) (var) +#endif + +/* + * Generic virtual read/write. + */ +#define __arch_getb(a) (READ_BYTE(a)) +#define __arch_getw(a) (READ_HWORD(a)) +#define __arch_getl(a) (READ_WORD(a)) +#define __arch_getq(a) (READ_DWORD(a)) + +#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v)) +#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v)) +#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v)) + +#define __raw_writeb(v,a) __arch_putb(v,a) +#define __raw_writew(v,a) __arch_putw(v,a) +#define __raw_writel(v,a) __arch_putl(v,a) + +#define __raw_readb(a) __arch_getb(a) +#define __raw_readw(a) __arch_getw(a) +#define __raw_readl(a) __arch_getl(a) +#define __raw_readq(a) __arch_getq(a) + +/* + * Given a physical address and a length, return a virtual address + * that can be used to access the memory range with the caching + * properties specified by "flags". + */ + +#define MAP_NOCACHE (0) +#define MAP_WRCOMBINE (0) +#define MAP_WRBACK (0) +#define MAP_WRTHROUGH (0) + +static inline void *map_physmem(phys_addr_t paddr, unsigned long len, + unsigned long flags) +{ + return (void *)paddr; +} + +/* + * Take down a mapping set up by map_physmem(). + */ +static inline void unmap_physmem(void *vaddr, unsigned long flags) +{ + +} + +static inline phys_addr_t virt_to_phys(void * vaddr) +{ + return (phys_addr_t)(vaddr); +} + +#endif diff --git a/arch/sparc/include/asm/irq.h b/arch/sparc/include/asm/irq.h new file mode 100644 index 0000000..c5538c0 --- /dev/null +++ b/arch/sparc/include/asm/irq.h @@ -0,0 +1,49 @@ +/* IRQ functions + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_IRQ_H__ +#define __SPARC_IRQ_H__ + +#include <asm/psr.h> + +/* Set SPARC Processor Interrupt Level */ +extern inline void set_pil(unsigned int level) +{ + unsigned int psr = get_psr(); + + put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS)); +} + +/* Get SPARC Processor Interrupt Level */ +extern inline unsigned int get_pil(void) +{ + unsigned int psr = get_psr(); + return (psr & PSR_PIL) >> PSR_PIL_OFS; +} + +/* Disables interrupts and return current PIL value */ +extern int intLock(void); + +/* Sets the PIL to oldLevel */ +extern void intUnlock(int oldLevel); + +#endif diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h new file mode 100644 index 0000000..f7175ee --- /dev/null +++ b/arch/sparc/include/asm/leon.h @@ -0,0 +1,42 @@ +/* LEON Header File select + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __ASM_LEON_H__ +#define __ASM_LEON_H__ + +#if defined(CONFIG_LEON3) + +#include <asm/leon3.h> + +#elif defined(CONFIG_LEON2) + +#include <asm/leon2.h> + +#else + +#error Unknown LEON processor + +#endif + +/* Common stuff */ + +#endif diff --git a/arch/sparc/include/asm/leon2.h b/arch/sparc/include/asm/leon2.h new file mode 100644 index 0000000..fa55cad --- /dev/null +++ b/arch/sparc/include/asm/leon2.h @@ -0,0 +1,236 @@ +/* LEON2 header file. LEON2 is a SOC processor. + * + * (C) Copyright 2008 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __LEON2_H__ +#define __LEON2_H__ + +#ifdef CONFIG_LEON2 + +/* LEON 2 I/O register definitions */ +#define LEON2_PREGS 0x80000000 +#define LEON2_MCFG1 0x00 +#define LEON2_MCFG2 0x04 +#define LEON2_ECTRL 0x08 +#define LEON2_FADDR 0x0C +#define LEON2_MSTAT 0x10 +#define LEON2_CCTRL 0x14 +#define LEON2_PWDOWN 0x18 +#define LEON2_WPROT1 0x1C +#define LEON2_WPROT2 0x20 +#define LEON2_LCONF 0x24 +#define LEON2_TCNT0 0x40 +#define LEON2_TRLD0 0x44 +#define LEON2_TCTRL0 0x48 +#define LEON2_TCNT1 0x50 +#define LEON2_TRLD1 0x54 +#define LEON2_TCTRL1 0x58 +#define LEON2_SCNT 0x60 +#define LEON2_SRLD 0x64 +#define LEON2_UART0 0x70 +#define LEON2_UDATA0 0x70 +#define LEON2_USTAT0 0x74 +#define LEON2_UCTRL0 0x78 +#define LEON2_USCAL0 0x7C +#define LEON2_UART1 0x80 +#define LEON2_UDATA1 0x80 +#define LEON2_USTAT1 0x84 +#define LEON2_UCTRL1 0x88 +#define LEON2_USCAL1 0x8C +#define LEON2_IMASK 0x90 +#define LEON2_IPEND 0x94 +#define LEON2_IFORCE 0x98 +#define LEON2_ICLEAR 0x9C +#define LEON2_IOREG 0xA0 +#define LEON2_IODIR 0xA4 +#define LEON2_IOICONF 0xA8 +#define LEON2_IPEND2 0xB0 +#define LEON2_IMASK2 0xB4 +#define LEON2_ISTAT2 0xB8 +#define LEON2_ICLEAR2 0xBC + +#ifndef __ASSEMBLER__ +/* + * Structure for LEON memory mapped registers. + * + * Source: Section 6.1 - On-chip registers + * + * NOTE: There is only one of these structures per CPU, its base address + * is 0x80000000, and the variable LEON_REG is placed there by the + * linkcmds file. + */ +typedef struct { + volatile unsigned int Memory_Config_1; + volatile unsigned int Memory_Config_2; + volatile unsigned int Edac_Control; + volatile unsigned int Failed_Address; + volatile unsigned int Memory_Status; + volatile unsigned int Cache_Control; + volatile unsigned int Power_Down; + volatile unsigned int Write_Protection_1; + volatile unsigned int Write_Protection_2; + volatile unsigned int Leon_Configuration; + volatile unsigned int dummy2; + volatile unsigned int dummy3; + volatile unsigned int dummy4; + volatile unsigned int dummy5; + volatile unsigned int dummy6; + volatile unsigned int dummy7; + volatile unsigned int Timer_Counter_1; + volatile unsigned int Timer_Reload_1; + volatile unsigned int Timer_Control_1; + volatile unsigned int Watchdog; + volatile unsigned int Timer_Counter_2; + volatile unsigned int Timer_Reload_2; + volatile unsigned int Timer_Control_2; + volatile unsigned int dummy8; + volatile unsigned int Scaler_Counter; + volatile unsigned int Scaler_Reload; + volatile unsigned int dummy9; + volatile unsigned int dummy10; + volatile unsigned int UART_Channel_1; + volatile unsigned int UART_Status_1; + volatile unsigned int UART_Control_1; + volatile unsigned int UART_Scaler_1; + volatile unsigned int UART_Channel_2; + volatile unsigned int UART_Status_2; + volatile unsigned int UART_Control_2; + volatile unsigned int UART_Scaler_2; + volatile unsigned int Interrupt_Mask; + volatile unsigned int Interrupt_Pending; + volatile unsigned int Interrupt_Force; + volatile unsigned int Interrupt_Clear; + volatile unsigned int PIO_Data; + volatile unsigned int PIO_Direction; + volatile unsigned int PIO_Interrupt; +} LEON2_regs; + +typedef struct { + volatile unsigned int UART_Channel; + volatile unsigned int UART_Status; + volatile unsigned int UART_Control; + volatile unsigned int UART_Scaler; +} LEON2_Uart_regs; + +#endif + +/* + * The following constants are intended to be used ONLY in assembly + * language files. + * + * NOTE: The intended style of usage is to load the address of LEON REGS + * into a register and then use these as displacements from + * that register. + */ +#define LEON_REG_MEMCFG1_OFFSET 0x00 +#define LEON_REG_MEMCFG2_OFFSET 0x04 +#define LEON_REG_EDACCTRL_OFFSET 0x08 +#define LEON_REG_FAILADDR_OFFSET 0x0C +#define LEON_REG_MEMSTATUS_OFFSET 0x10 +#define LEON_REG_CACHECTRL_OFFSET 0x14 +#define LEON_REG_POWERDOWN_OFFSET 0x18 +#define LEON_REG_WRITEPROT1_OFFSET 0x1C +#define LEON_REG_WRITEPROT2_OFFSET 0x20 +#define LEON_REG_LEONCONF_OFFSET 0x24 +#define LEON_REG_UNIMPLEMENTED_2_OFFSET 0x28 +#define LEON_REG_UNIMPLEMENTED_3_OFFSET 0x2C +#define LEON_REG_UNIMPLEMENTED_4_OFFSET 0x30 +#define LEON_REG_UNIMPLEMENTED_5_OFFSET 0x34 +#define LEON_REG_UNIMPLEMENTED_6_OFFSET 0x38 +#define LEON_REG_UNIMPLEMENTED_7_OFFSET 0x3C +#define LEON_REG_TIMERCNT1_OFFSET 0x40 +#define LEON_REG_TIMERLOAD1_OFFSET 0x44 +#define LEON_REG_TIMERCTRL1_OFFSET 0x48 +#define LEON_REG_WDOG_OFFSET 0x4C +#define LEON_REG_TIMERCNT2_OFFSET 0x50 +#define LEON_REG_TIMERLOAD2_OFFSET 0x54 +#define LEON_REG_TIMERCTRL2_OFFSET 0x58 +#define LEON_REG_UNIMPLEMENTED_8_OFFSET 0x5C +#define LEON_REG_SCALERCNT_OFFSET 0x60 +#define LEON_REG_SCALER_LOAD_OFFSET 0x64 +#define LEON_REG_UNIMPLEMENTED_9_OFFSET 0x68 +#define LEON_REG_UNIMPLEMENTED_10_OFFSET 0x6C +#define LEON_REG_UARTDATA1_OFFSET 0x70 +#define LEON_REG_UARTSTATUS1_OFFSET 0x74 +#define LEON_REG_UARTCTRL1_OFFSET 0x78 +#define LEON_REG_UARTSCALER1_OFFSET 0x7C +#define LEON_REG_UARTDATA2_OFFSET 0x80 +#define LEON_REG_UARTSTATUS2_OFFSET 0x84 +#define LEON_REG_UARTCTRL2_OFFSET 0x88 +#define LEON_REG_UARTSCALER2_OFFSET 0x8C +#define LEON_REG_IRQMASK_OFFSET 0x90 +#define LEON_REG_IRQPEND_OFFSET 0x94 +#define LEON_REG_IRQFORCE_OFFSET 0x98 +#define LEON_REG_IRQCLEAR_OFFSET 0x9C +#define LEON_REG_PIODATA_OFFSET 0xA0 +#define LEON_REG_PIODIR_OFFSET 0xA4 +#define LEON_REG_PIOIRQ_OFFSET 0xA8 +#define LEON_REG_SIM_RAM_SIZE_OFFSET 0xF4 +#define LEON_REG_SIM_ROM_SIZE_OFFSET 0xF8 + +/* + * Interrupt Sources + * + * The interrupt source numbers directly map to the trap type and to + * the bits used in the Interrupt Clear, Interrupt Force, Interrupt Mask, + * and the Interrupt Pending Registers. + */ +#define LEON_INTERRUPT_CORRECTABLE_MEMORY_ERROR 1 +#define LEON_INTERRUPT_UART_1_RX_TX 2 +#define LEON_INTERRUPT_UART_0_RX_TX 3 +#define LEON_INTERRUPT_EXTERNAL_0 4 +#define LEON_INTERRUPT_EXTERNAL_1 5 +#define LEON_INTERRUPT_EXTERNAL_2 6 +#define LEON_INTERRUPT_EXTERNAL_3 7 +#define LEON_INTERRUPT_TIMER1 8 +#define LEON_INTERRUPT_TIMER2 9 +#define LEON_INTERRUPT_EMPTY1 10 +#define LEON_INTERRUPT_EMPTY2 11 +#define LEON_INTERRUPT_OPEN_ETH 12 +#define LEON_INTERRUPT_EMPTY4 13 +#define LEON_INTERRUPT_EMPTY5 14 +#define LEON_INTERRUPT_EMPTY6 15 + +/* Timer Bits */ +#define LEON2_TIMER_CTRL_EN 0x1 /* Timer enable */ +#define LEON2_TIMER_CTRL_RS 0x2 /* Timer reStart */ +#define LEON2_TIMER_CTRL_LD 0x4 /* Timer reLoad */ +#define LEON2_TIMER1_IRQNO 8 /* Timer 1 IRQ number */ +#define LEON2_TIMER2_IRQNO 9 /* Timer 2 IRQ number */ +#define LEON2_TIMER1_IE (1<<LEON2_TIMER1_IRQNO) /* Timer 1 interrupt enable */ +#define LEON2_TIMER2_IE (1<<LEON2_TIMER2_IRQNO) /* Timer 2 interrupt enable */ + +/* UART bits */ +#define LEON2_UART_CTRL_RE 1 /* UART Receiver enable */ +#define LEON2_UART_CTRL_TE 2 /* UART Transmitter enable */ +#define LEON2_UART_CTRL_RI 4 /* UART Receiver Interrupt enable */ +#define LEON2_UART_CTRL_TI 8 /* UART Transmitter Interrupt enable */ +#define LEON2_UART_CTRL_DBG (1<<11) /* Debug Bit used by GRMON */ + +#define LEON2_UART_STAT_DR 1 /* UART Data Ready */ +#define LEON2_UART_STAT_TSE 2 /* UART Transmit Shift Reg empty */ +#define LEON2_UART_STAT_THE 4 /* UART Transmit Hold Reg empty */ + +#else +#error Include LEON2 header file only if LEON2 processor +#endif + +#endif diff --git a/arch/sparc/include/asm/leon3.h b/arch/sparc/include/asm/leon3.h new file mode 100644 index 0000000..b90d35b --- /dev/null +++ b/arch/sparc/include/asm/leon3.h @@ -0,0 +1,36 @@ +/* LEON3 header file. LEON3 is a free GPL SOC processor available + * at www.gaisler.com. + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __LEON3_H__ +#define __LEON3_H__ + +#ifndef CONFIG_LEON3 +#error Include LEON3 header file only if LEON3 processor +#endif + +/* Not much to define, most is Plug and Play and GRLIB dependent + * not LEON3 dependent. See <ambapp.h> for GRLIB timers, interrupt + * ctrl, memory controllers etc. + */ + +#endif diff --git a/arch/sparc/include/asm/machines.h b/arch/sparc/include/asm/machines.h new file mode 100644 index 0000000..1e26195 --- /dev/null +++ b/arch/sparc/include/asm/machines.h @@ -0,0 +1,92 @@ +/* machines.h: Defines for taking apart the machine type value in the + * idprom and determining the kind of machine we are on. + * + * Taken from the SPARC port of Linux. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_MACHINES_H__ +#define __SPARC_MACHINES_H__ + +struct Sun_Machine_Models { + char *name; + unsigned char id_machtype; +}; + +/* Current number of machines we know about that has an IDPROM + * machtype entry including one entry for the 0x80 OBP machines. + */ +#define NUM_SUN_MACHINES 16 + +extern struct Sun_Machine_Models Sun_Machines[NUM_SUN_MACHINES]; + +/* The machine type in the idprom area looks like this: + * + * --------------- + * | ARCH | MACH | + * --------------- + * 7 4 3 0 + * + * The ARCH field determines the architecture line (sun4, sun4c, etc). + * The MACH field determines the machine make within that architecture. + */ + +#define SM_ARCH_MASK 0xf0 +#define SM_SUN4 0x20 +#define M_LEON2 0x30 +#define SM_SUN4C 0x50 +#define SM_SUN4M 0x70 +#define SM_SUN4M_OBP 0x80 + +#define SM_TYP_MASK 0x0f +/* Sun4 machines */ +#define SM_4_260 0x01 /* Sun 4/200 series */ +#define SM_4_110 0x02 /* Sun 4/100 series */ +#define SM_4_330 0x03 /* Sun 4/300 series */ +#define SM_4_470 0x04 /* Sun 4/400 series */ + +/* Leon machines */ +#define M_LEON2_SOC 0x01 /* Leon2 SoC */ + +/* Sun4c machines Full Name - PROM NAME */ +#define SM_4C_SS1 0x01 /* Sun4c SparcStation 1 - Sun 4/60 */ +#define SM_4C_IPC 0x02 /* Sun4c SparcStation IPC - Sun 4/40 */ +#define SM_4C_SS1PLUS 0x03 /* Sun4c SparcStation 1+ - Sun 4/65 */ +#define SM_4C_SLC 0x04 /* Sun4c SparcStation SLC - Sun 4/20 */ +#define SM_4C_SS2 0x05 /* Sun4c SparcStation 2 - Sun 4/75 */ +#define SM_4C_ELC 0x06 /* Sun4c SparcStation ELC - Sun 4/25 */ +#define SM_4C_IPX 0x07 /* Sun4c SparcStation IPX - Sun 4/50 */ + +/* Sun4m machines, these predate the OpenBoot. These values only mean + * something if the value in the ARCH field is SM_SUN4M, if it is + * SM_SUN4M_OBP then you have the following situation: + * 1) You either have a sun4d, a sun4e, or a recently made sun4m. + * 2) You have to consult OpenBoot to determine which machine this is. + */ +#define SM_4M_SS60 0x01 /* Sun4m SparcSystem 600 */ +#define SM_4M_SS50 0x02 /* Sun4m SparcStation 10 */ +#define SM_4M_SS40 0x03 /* Sun4m SparcStation 5 */ + +/* Sun4d machines -- N/A */ +/* Sun4e machines -- N/A */ +/* Sun4u machines -- N/A */ + +#endif /* !(_SPARC_MACHINES_H) */ diff --git a/arch/sparc/include/asm/page.h b/arch/sparc/include/asm/page.h new file mode 100644 index 0000000..484953a --- /dev/null +++ b/arch/sparc/include/asm/page.h @@ -0,0 +1,43 @@ +/* page.h: Various defines and such for MMU operations on the Sparc for + * the Linux kernel. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_PAGE_H +#define _SPARC_PAGE_H + +#include <linux/config.h> +#ifdef CONFIG_SUN4 +#define PAGE_SHIFT 13 +#else +#define PAGE_SHIFT 12 +#endif + +#ifndef __ASSEMBLY__ +/* I have my suspicions... -DaveM */ +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#else +#define PAGE_SIZE (1 << PAGE_SHIFT) +#endif + +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#endif /* _SPARC_PAGE_H */ diff --git a/arch/sparc/include/asm/posix_types.h b/arch/sparc/include/asm/posix_types.h new file mode 100644 index 0000000..8d98b2a --- /dev/null +++ b/arch/sparc/include/asm/posix_types.h @@ -0,0 +1,139 @@ +/* + * (C) Copyright 2000 - 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007, taken from asm-ppc/posix_types.h + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_POSIX_TYPES_H__ +#define __SPARC_POSIX_TYPES_H__ + +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. Also, we cannot + * assume GCC is being used. + */ + +typedef unsigned int __kernel_dev_t; +typedef unsigned int __kernel_ino_t; +typedef unsigned int __kernel_mode_t; +typedef unsigned short __kernel_nlink_t; +typedef long __kernel_off_t; +typedef int __kernel_pid_t; +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +typedef long __kernel_time_t; +typedef long __kernel_suseconds_t; +typedef long __kernel_clock_t; +typedef int __kernel_daddr_t; +typedef char *__kernel_caddr_t; +typedef short __kernel_ipc_pid_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; +typedef unsigned int __kernel_uid32_t; +typedef unsigned int __kernel_gid32_t; + +typedef unsigned int __kernel_old_uid_t; +typedef unsigned int __kernel_old_gid_t; + +#ifdef __GNUC__ +typedef long long __kernel_loff_t; +#endif + +typedef struct { + int val[2]; +} __kernel_fsid_t; + +#ifndef __GNUC__ + +#define __FD_SET(d, set) ((set)->fds_bits[__FDELT(d)] |= __FDMASK(d)) +#define __FD_CLR(d, set) ((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d)) +#define __FD_ISSET(d, set) ((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) +#define __FD_ZERO(set) \ + ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set))) + +#else /* __GNUC__ */ + +#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) \ + || (__GLIBC__ == 2 && __GLIBC_MINOR__ == 0) +/* With GNU C, use inline functions instead so args are evaluated only once: */ + +#undef __FD_SET +static __inline__ void __FD_SET(unsigned long fd, __kernel_fd_set * fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] |= (1UL << _rem); +} + +#undef __FD_CLR +static __inline__ void __FD_CLR(unsigned long fd, __kernel_fd_set * fdsetp) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + fdsetp->fds_bits[_tmp] &= ~(1UL << _rem); +} + +#undef __FD_ISSET +static __inline__ int __FD_ISSET(unsigned long fd, __kernel_fd_set * p) +{ + unsigned long _tmp = fd / __NFDBITS; + unsigned long _rem = fd % __NFDBITS; + return (p->fds_bits[_tmp] & (1UL << _rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant case (8 ints, + * for a 256-bit fd_set) + */ +#undef __FD_ZERO +static __inline__ void __FD_ZERO(__kernel_fd_set * p) +{ + unsigned int *tmp = (unsigned int *)p->fds_bits; + int i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 8: + tmp[0] = 0; + tmp[1] = 0; + tmp[2] = 0; + tmp[3] = 0; + tmp[4] = 0; + tmp[5] = 0; + tmp[6] = 0; + tmp[7] = 0; + return; + } + } + i = __FDSET_LONGS; + while (i) { + i--; + *tmp = 0; + tmp++; + } +} + +#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */ +#endif /* __GNUC__ */ +#endif /* _SPARC_POSIX_TYPES_H */ diff --git a/arch/sparc/include/asm/processor.h b/arch/sparc/include/asm/processor.h new file mode 100644 index 0000000..d518389 --- /dev/null +++ b/arch/sparc/include/asm/processor.h @@ -0,0 +1,116 @@ +/* SPARC Processor specifics + * taken from the SPARC port of Linux (ptrace.h). + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __ASM_SPARC_PROCESSOR_H +#define __ASM_SPARC_PROCESSOR_H + +#include <asm/arch/asi.h> + +#ifdef CONFIG_LEON + +/* All LEON processors supported */ +#include <asm/leon.h> + +#else +/* other processors */ +#error Unknown SPARC Processor +#endif + +#ifndef __ASSEMBLY__ + +/* flush data cache */ +static __inline__ void sparc_dcache_flush_all(void) +{ + __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_DFLUSH):"memory"); +} + +/* flush instruction cache */ +static __inline__ void sparc_icache_flush_all(void) +{ + __asm__ __volatile__("sta %%g0, [%%g0] %0\n\t"::"i"(ASI_IFLUSH):"memory"); +} + +/* do a cache miss load */ +static __inline__ unsigned long long sparc_load_reg_cachemiss_qword(unsigned + long paddr) +{ + unsigned long long retval; + __asm__ __volatile__("ldda [%1] %2, %0\n\t": + "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); + return retval; +} + +static __inline__ unsigned long sparc_load_reg_cachemiss(unsigned long paddr) +{ + unsigned long retval; + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); + return retval; +} + +static __inline__ unsigned short sparc_load_reg_cachemiss_word(unsigned long + paddr) +{ + unsigned short retval; + __asm__ __volatile__("lduha [%1] %2, %0\n\t": + "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); + return retval; +} + +static __inline__ unsigned char sparc_load_reg_cachemiss_byte(unsigned long + paddr) +{ + unsigned char retval; + __asm__ __volatile__("lduba [%1] %2, %0\n\t": + "=r"(retval):"r"(paddr), "i"(ASI_CACHEMISS)); + return retval; +} + +/* do a physical address bypass write, i.e. for 0x80000000 */ +static __inline__ void sparc_store_reg_bypass(unsigned long paddr, + unsigned long value) +{ + __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(value), "r"(paddr), + "i"(ASI_BYPASS):"memory"); +} + +static __inline__ unsigned long sparc_load_reg_bypass(unsigned long paddr) +{ + unsigned long retval; + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval):"r"(paddr), "i"(ASI_BYPASS)); + return retval; +} + +/* Macros for bypassing cache when reading */ +#define SPARC_NOCACHE_READ_DWORD(address) sparc_load_reg_cachemiss_qword((unsigned int)(address)) +#define SPARC_NOCACHE_READ(address) sparc_load_reg_cachemiss((unsigned int)(address)) +#define SPARC_NOCACHE_READ_HWORD(address) sparc_load_reg_cachemiss_word((unsigned int)(address)) +#define SPARC_NOCACHE_READ_BYTE(address) sparc_load_reg_cachemiss_byte((unsigned int)(address)) + +#define SPARC_BYPASS_READ(address) sparc_load_reg_bypass((unsigned int)(address)) +#define SPARC_BYPASS_WRITE(address,value) sparc_store_reg_bypass((unsigned int)(address),(unsigned int)(value)) + +#endif + +#endif /* __ASM_SPARC_PROCESSOR_H */ diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h new file mode 100644 index 0000000..d55cc86 --- /dev/null +++ b/arch/sparc/include/asm/prom.h @@ -0,0 +1,297 @@ +/* OpenProm defines mainly taken from linux kernel header files + * + * openprom.h: Prom structures and defines for access to the OPENBOOT + * prom routines and data areas. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_OPENPROM_H__ +#define __SPARC_OPENPROM_H__ + +/* Empirical constants... */ +#define LINUX_OPPROM_MAGIC 0x10010407 + +#ifndef __ASSEMBLY__ +/* V0 prom device operations. */ +struct linux_dev_v0_funcs { + int (*v0_devopen) (char *device_str); + int (*v0_devclose) (int dev_desc); + int (*v0_rdblkdev) (int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrblkdev) (int dev_desc, int num_blks, int blk_st, char *buf); + int (*v0_wrnetdev) (int dev_desc, int num_bytes, char *buf); + int (*v0_rdnetdev) (int dev_desc, int num_bytes, char *buf); + int (*v0_rdchardev) (int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_wrchardev) (int dev_desc, int num_bytes, int dummy, char *buf); + int (*v0_seekdev) (int dev_desc, long logical_offst, int from); +}; + +/* V2 and later prom device operations. */ +struct linux_dev_v2_funcs { + int (*v2_inst2pkg) (int d); /* Convert ihandle to phandle */ + char *(*v2_dumb_mem_alloc) (char *va, unsigned sz); + void (*v2_dumb_mem_free) (char *va, unsigned sz); + + /* To map devices into virtual I/O space. */ + char *(*v2_dumb_mmap) (char *virta, int which_io, unsigned paddr, + unsigned sz); + void (*v2_dumb_munmap) (char *virta, unsigned size); + + int (*v2_dev_open) (char *devpath); + void (*v2_dev_close) (int d); + int (*v2_dev_read) (int d, char *buf, int nbytes); + int (*v2_dev_write) (int d, char *buf, int nbytes); + int (*v2_dev_seek) (int d, int hi, int lo); + + /* Never issued (multistage load support) */ + void (*v2_wheee2) (void); + void (*v2_wheee3) (void); +}; + +struct linux_mlist_v0 { + struct linux_mlist_v0 *theres_more; + char *start_adr; + unsigned num_bytes; +}; + +struct linux_mem_v0 { + struct linux_mlist_v0 **v0_totphys; + struct linux_mlist_v0 **v0_prommap; + struct linux_mlist_v0 **v0_available; /* What we can use */ +}; + +/* Arguments sent to the kernel from the boot prompt. */ +struct linux_arguments_v0 { + char *argv[8]; + char args[100]; + char boot_dev[2]; + int boot_dev_ctrl; + int boot_dev_unit; + int dev_partition; + char *kernel_file_name; + void *aieee1; /* XXX */ +}; + +/* V2 and up boot things. */ +struct linux_bootargs_v2 { + char **bootpath; + char **bootargs; + int *fd_stdin; + int *fd_stdout; +}; + +/* The top level PROM vector. */ +struct linux_romvec { + /* Version numbers. */ + unsigned int pv_magic_cookie; + unsigned int pv_romvers; + unsigned int pv_plugin_revision; + unsigned int pv_printrev; + + /* Version 0 memory descriptors. */ + struct linux_mem_v0 pv_v0mem; + + /* Node operations. */ + struct linux_nodeops *pv_nodeops; + + char **pv_bootstr; + struct linux_dev_v0_funcs pv_v0devops; + + char *pv_stdin; + char *pv_stdout; +#define PROMDEV_KBD 0 /* input from keyboard */ +#define PROMDEV_SCREEN 0 /* output to screen */ +#define PROMDEV_TTYA 1 /* in/out to ttya */ +#define PROMDEV_TTYB 2 /* in/out to ttyb */ + + /* Blocking getchar/putchar. NOT REENTRANT! (grr) */ + int (*pv_getchar) (void); + void (*pv_putchar) (int ch); + + /* Non-blocking variants. */ + int (*pv_nbgetchar) (void); + int (*pv_nbputchar) (int ch); + + void (*pv_putstr) (char *str, int len); + + /* Miscellany. */ + void (*pv_reboot) (char *bootstr); + void (*pv_printf) (__const__ char *fmt, ...); + void (*pv_abort) (void); + __volatile__ int *pv_ticks; + void (*pv_halt) (void); + void (**pv_synchook) (void); + + /* Evaluate a forth string, not different proto for V0 and V2->up. */ + union { + void (*v0_eval) (int len, char *str); + void (*v2_eval) (char *str); + } pv_fortheval; + + struct linux_arguments_v0 **pv_v0bootargs; + + /* Get ether address. */ + unsigned int (*pv_enaddr) (int d, char *enaddr); + + struct linux_bootargs_v2 pv_v2bootargs; + struct linux_dev_v2_funcs pv_v2devops; + + int filler[15]; + + /* This one is sun4c/sun4 only. */ + void (*pv_setctxt) (int ctxt, char *va, int pmeg); + + /* Prom version 3 Multiprocessor routines. This stuff is crazy. + * No joke. Calling these when there is only one cpu probably + * crashes the machine, have to test this. :-) + */ + + /* v3_cpustart() will start the cpu 'whichcpu' in mmu-context + * 'thiscontext' executing at address 'prog_counter' + */ + int (*v3_cpustart) (unsigned int whichcpu, int ctxtbl_ptr, + int thiscontext, char *prog_counter); + + /* v3_cpustop() will cause cpu 'whichcpu' to stop executing + * until a resume cpu call is made. + */ + int (*v3_cpustop) (unsigned int whichcpu); + + /* v3_cpuidle() will idle cpu 'whichcpu' until a stop or + * resume cpu call is made. + */ + int (*v3_cpuidle) (unsigned int whichcpu); + + /* v3_cpuresume() will resume processor 'whichcpu' executing + * starting with whatever 'pc' and 'npc' were left at the + * last 'idle' or 'stop' call. + */ + int (*v3_cpuresume) (unsigned int whichcpu); +}; + +/* Routines for traversing the prom device tree. */ +struct linux_nodeops { + int (*no_nextnode) (int node); + int (*no_child) (int node); + int (*no_proplen) (int node, char *name); + int (*no_getprop) (int node, char *name, char *val); + int (*no_setprop) (int node, char *name, char *val, int len); + char *(*no_nextprop) (int node, char *name); +}; + +/* More fun PROM structures for device probing. */ +#define PROMREG_MAX 16 +#define PROMVADDR_MAX 16 +#define PROMINTR_MAX 15 + +struct linux_prom_registers { + unsigned int which_io; /* is this in OBIO space? */ + unsigned int phys_addr; /* The physical address of this register */ + unsigned int reg_size; /* How many bytes does this register take up? */ +}; + +struct linux_prom_irqs { + int pri; /* IRQ priority */ + int vector; /* This is foobar, what does it do? */ +}; + +/* Element of the "ranges" vector */ +struct linux_prom_ranges { + unsigned int ot_child_space; + unsigned int ot_child_base; /* Bus feels this */ + unsigned int ot_parent_space; + unsigned int ot_parent_base; /* CPU looks from here */ + unsigned int or_size; +}; + +/* Ranges and reg properties are a bit different for PCI. */ +struct linux_prom_pci_registers { + /* + * We don't know what information this field contain. + * We guess, PCI device function is in bits 15:8 + * So, ... + */ + unsigned int which_io; /* Let it be which_io */ + + unsigned int phys_hi; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_pci_ranges { + unsigned int child_phys_hi; /* Only certain bits are encoded here. */ + unsigned int child_phys_mid; + unsigned int child_phys_lo; + + unsigned int parent_phys_hi; + unsigned int parent_phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_pci_assigned_addresses { + unsigned int which_io; + + unsigned int phys_hi; + unsigned int phys_lo; + + unsigned int size_hi; + unsigned int size_lo; +}; + +struct linux_prom_ebus_ranges { + unsigned int child_phys_hi; + unsigned int child_phys_lo; + + unsigned int parent_phys_hi; + unsigned int parent_phys_mid; + unsigned int parent_phys_lo; + + unsigned int size; +}; + +/* Offset into the EEPROM where the id PROM is located on the 4c */ +#define IDPROM_OFFSET 0x7d8 + +/* On sun4m; physical. */ +/* MicroSPARC(-II) does not decode 31rd bit, but it works. */ +#define IDPROM_OFFSET_M 0xfd8 + +struct idprom { + unsigned char id_format; /* Format identifier (always 0x01) */ + unsigned char id_machtype; /* Machine type */ + unsigned char id_ethaddr[6]; /* Hardware ethernet address */ + long id_date; /* Date of manufacture */ + unsigned int id_sernum:24; /* Unique serial number */ + unsigned char id_cksum; /* Checksum - xor of the data bytes */ + unsigned char reserved[16]; +}; + +extern struct idprom *idprom; +extern void idprom_init(void); + +#define IDPROM_SIZE (sizeof(struct idprom)) + +#endif /* !(__ASSEMBLY__) */ + +#endif diff --git a/arch/sparc/include/asm/psr.h b/arch/sparc/include/asm/psr.h new file mode 100644 index 0000000..fc77947 --- /dev/null +++ b/arch/sparc/include/asm/psr.h @@ -0,0 +1,97 @@ +/* psr.h: This file holds the macros for masking off various parts of + * the processor status register on the Sparc. This is valid + * for Version 8. On the V9 this is renamed to the PSTATE + * register and its members are accessed as fields like + * PSTATE.PRIV for the current CPU privilege level. + * + * taken from the SPARC port of Linux, + * + * Copyright (C) 1994 David S. Miller (davem@caip.rutgers.edu) + * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_PSR_H__ +#define __SPARC_PSR_H__ + +/* The Sparc PSR fields are laid out as the following: + * + * ------------------------------------------------------------------------ + * | impl | vers | icc | resv | EC | EF | PIL | S | PS | ET | CWP | + * | 31-28 | 27-24 | 23-20 | 19-14 | 13 | 12 | 11-8 | 7 | 6 | 5 | 4-0 | + * ------------------------------------------------------------------------ + */ +#define PSR_CWP 0x0000001f /* current window pointer */ +#define PSR_ET 0x00000020 /* enable traps field */ +#define PSR_PS 0x00000040 /* previous privilege level */ +#define PSR_S 0x00000080 /* current privilege level */ +#define PSR_PIL 0x00000f00 /* processor interrupt level */ +#define PSR_EF 0x00001000 /* enable floating point */ +#define PSR_EC 0x00002000 /* enable co-processor */ +#define PSR_LE 0x00008000 /* SuperSparcII little-endian */ +#define PSR_ICC 0x00f00000 /* integer condition codes */ +#define PSR_C 0x00100000 /* carry bit */ +#define PSR_V 0x00200000 /* overflow bit */ +#define PSR_Z 0x00400000 /* zero bit */ +#define PSR_N 0x00800000 /* negative bit */ +#define PSR_VERS 0x0f000000 /* cpu-version field */ +#define PSR_IMPL 0xf0000000 /* cpu-implementation field */ + +#define PSR_PIL_OFS 8 + +#ifndef __ASSEMBLY__ +/* Get the %psr register. */ +extern __inline__ unsigned int get_psr(void) +{ + unsigned int psr; + __asm__ __volatile__("rd %%psr, %0\n\t" + "nop\n\t" "nop\n\t" "nop\n\t":"=r"(psr) + : /* no inputs */ + :"memory"); + + return psr; +} + +extern __inline__ void put_psr(unsigned int new_psr) +{ + __asm__ __volatile__("wr %0, 0x0, %%psr\n\t" "nop\n\t" "nop\n\t" "nop\n\t": /* no outputs */ + :"r"(new_psr) + :"memory", "cc"); +} + +/* Get the %fsr register. Be careful, make sure the floating point + * enable bit is set in the %psr when you execute this or you will + * incur a trap. + */ + +extern unsigned int fsr_storage; + +extern __inline__ unsigned int get_fsr(void) +{ + unsigned int fsr = 0; + + __asm__ __volatile__("st %%fsr, %1\n\t" + "ld %1, %0\n\t":"=r"(fsr) + :"m"(fsr_storage)); + + return fsr; +} + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_PSR_H__) */ diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h new file mode 100644 index 0000000..12a9c56 --- /dev/null +++ b/arch/sparc/include/asm/ptrace.h @@ -0,0 +1,181 @@ +/* Contain the Stack frame layout on interrupt. pt_regs. + * taken from the SPARC port of Linux (ptrace.h). + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_PTRACE_H__ +#define __SPARC_PTRACE_H__ + +#include <asm/psr.h> + +/* This struct defines the way the registers are stored on the + * stack during a system call and basically all traps. + */ + +#ifndef __ASSEMBLY__ + +struct pt_regs { + unsigned long psr; + unsigned long pc; + unsigned long npc; + unsigned long y; + unsigned long u_regs[16]; /* globals and ins */ +}; + +#define UREG_G0 0 +#define UREG_G1 1 +#define UREG_G2 2 +#define UREG_G3 3 +#define UREG_G4 4 +#define UREG_G5 5 +#define UREG_G6 6 +#define UREG_G7 7 +#define UREG_I0 8 +#define UREG_I1 9 +#define UREG_I2 10 +#define UREG_I3 11 +#define UREG_I4 12 +#define UREG_I5 13 +#define UREG_I6 14 +#define UREG_I7 15 +#define UREG_WIM UREG_G0 +#define UREG_FADDR UREG_G0 +#define UREG_FP UREG_I6 +#define UREG_RETPC UREG_I7 + +/* A register window */ +struct reg_window { + unsigned long locals[8]; + unsigned long ins[8]; +}; + +/* A Sparc stack frame */ +struct sparc_stackf { + unsigned long locals[8]; + unsigned long ins[6]; + struct sparc_stackf *fp; + unsigned long callers_pc; + char *structptr; + unsigned long xargs[6]; + unsigned long xxargs[1]; +}; + +#define TRACEREG_SZ sizeof(struct pt_regs) +#define STACKFRAME_SZ sizeof(struct sparc_stackf) + +#else /* __ASSEMBLY__ */ +/* For assembly code. */ +#define TRACEREG_SZ 0x50 +#define STACKFRAME_SZ 0x60 +#endif + +/* + * The asm_offsets.h is a generated file, so we cannot include it. + * It may be OK for glibc headers, but it's utterly pointless for C code. + * The assembly code using those offsets has to include it explicitly. + */ +/* #include <asm/asm_offsets.h> */ + +/* These are for pt_regs. */ +#define PT_PSR 0x0 +#define PT_PC 0x4 +#define PT_NPC 0x8 +#define PT_Y 0xc +#define PT_G0 0x10 +#define PT_WIM PT_G0 +#define PT_G1 0x14 +#define PT_G2 0x18 +#define PT_G3 0x1c +#define PT_G4 0x20 +#define PT_G5 0x24 +#define PT_G6 0x28 +#define PT_G7 0x2c +#define PT_I0 0x30 +#define PT_I1 0x34 +#define PT_I2 0x38 +#define PT_I3 0x3c +#define PT_I4 0x40 +#define PT_I5 0x44 +#define PT_I6 0x48 +#define PT_FP PT_I6 +#define PT_I7 0x4c + +/* Reg_window offsets */ +#define RW_L0 0x00 +#define RW_L1 0x04 +#define RW_L2 0x08 +#define RW_L3 0x0c +#define RW_L4 0x10 +#define RW_L5 0x14 +#define RW_L6 0x18 +#define RW_L7 0x1c +#define RW_I0 0x20 +#define RW_I1 0x24 +#define RW_I2 0x28 +#define RW_I3 0x2c +#define RW_I4 0x30 +#define RW_I5 0x34 +#define RW_I6 0x38 +#define RW_I7 0x3c + +/* Stack_frame offsets */ +#define SF_L0 0x00 +#define SF_L1 0x04 +#define SF_L2 0x08 +#define SF_L3 0x0c +#define SF_L4 0x10 +#define SF_L5 0x14 +#define SF_L6 0x18 +#define SF_L7 0x1c +#define SF_I0 0x20 +#define SF_I1 0x24 +#define SF_I2 0x28 +#define SF_I3 0x2c +#define SF_I4 0x30 +#define SF_I5 0x34 +#define SF_FP 0x38 +#define SF_PC 0x3c +#define SF_RETP 0x40 +#define SF_XARG0 0x44 +#define SF_XARG1 0x48 +#define SF_XARG2 0x4c +#define SF_XARG3 0x50 +#define SF_XARG4 0x54 +#define SF_XARG5 0x58 +#define SF_XXARG 0x5c + +/* Stuff for the ptrace system call */ +#define PTRACE_SUNATTACH 10 +#define PTRACE_SUNDETACH 11 +#define PTRACE_GETREGS 12 +#define PTRACE_SETREGS 13 +#define PTRACE_GETFPREGS 14 +#define PTRACE_SETFPREGS 15 +#define PTRACE_READDATA 16 +#define PTRACE_WRITEDATA 17 +#define PTRACE_READTEXT 18 +#define PTRACE_WRITETEXT 19 +#define PTRACE_GETFPAREGS 20 +#define PTRACE_SETFPAREGS 21 + +#define PTRACE_GETUCODE 29 /* stupid bsd-ism */ + +#endif /* !(_SPARC_PTRACE_H) */ diff --git a/arch/sparc/include/asm/srmmu.h b/arch/sparc/include/asm/srmmu.h new file mode 100644 index 0000000..5214d96 --- /dev/null +++ b/arch/sparc/include/asm/srmmu.h @@ -0,0 +1,301 @@ +/* SRMMU page table defines and code, + * taken from the SPARC port of Linux + * + * Copyright (C) 2007 Daniel Hellstrom (daniel@gaisler.com) + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_SRMMU_H__ +#define __SPARC_SRMMU_H__ + +#include <asm/asi.h> +#include <asm/page.h> + +/* Number of contexts is implementation-dependent; 64k is the most we support */ +#define SRMMU_MAX_CONTEXTS 65536 + +/* PMD_SHIFT determines the size of the area a second-level page table entry can map */ +#define SRMMU_REAL_PMD_SHIFT 18 +#define SRMMU_REAL_PMD_SIZE (1UL << SRMMU_REAL_PMD_SHIFT) +#define SRMMU_REAL_PMD_MASK (~(SRMMU_REAL_PMD_SIZE-1)) +#define SRMMU_REAL_PMD_ALIGN(__addr) (((__addr)+SRMMU_REAL_PMD_SIZE-1)&SRMMU_REAL_PMD_MASK) + +/* PGDIR_SHIFT determines what a third-level page table entry can map */ +#define SRMMU_PGDIR_SHIFT 24 +#define SRMMU_PGDIR_SIZE (1UL << SRMMU_PGDIR_SHIFT) +#define SRMMU_PGDIR_MASK (~(SRMMU_PGDIR_SIZE-1)) +#define SRMMU_PGDIR_ALIGN(addr) (((addr)+SRMMU_PGDIR_SIZE-1)&SRMMU_PGDIR_MASK) + +#define SRMMU_REAL_PTRS_PER_PTE 64 +#define SRMMU_REAL_PTRS_PER_PMD 64 +#define SRMMU_PTRS_PER_PGD 256 + +#define SRMMU_REAL_PTE_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PTE*4) +#define SRMMU_PMD_TABLE_SIZE (SRMMU_REAL_PTRS_PER_PMD*4) +#define SRMMU_PGD_TABLE_SIZE (SRMMU_PTRS_PER_PGD*4) + +/* + * To support pagetables in highmem, Linux introduces APIs which + * return struct page* and generally manipulate page tables when + * they are not mapped into kernel space. Our hardware page tables + * are smaller than pages. We lump hardware tabes into big, page sized + * software tables. + * + * PMD_SHIFT determines the size of the area a second-level page table entry + * can map, and our pmd_t is 16 times larger than normal. The values which + * were once defined here are now generic for 4c and srmmu, so they're + * found in pgtable.h. + */ +#define SRMMU_PTRS_PER_PMD 4 + +/* Definition of the values in the ET field of PTD's and PTE's */ +#define SRMMU_ET_MASK 0x3 +#define SRMMU_ET_INVALID 0x0 +#define SRMMU_ET_PTD 0x1 +#define SRMMU_ET_PTE 0x2 +#define SRMMU_ET_REPTE 0x3 /* AIEEE, SuperSparc II reverse endian page! */ + +/* Physical page extraction from PTP's and PTE's. */ +#define SRMMU_CTX_PMASK 0xfffffff0 +#define SRMMU_PTD_PMASK 0xfffffff0 +#define SRMMU_PTE_PMASK 0xffffff00 + +/* The pte non-page bits. Some notes: + * 1) cache, dirty, valid, and ref are frobbable + * for both supervisor and user pages. + * 2) exec and write will only give the desired effect + * on user pages + * 3) use priv and priv_readonly for changing the + * characteristics of supervisor ptes + */ +#define SRMMU_CACHE 0x80 +#define SRMMU_DIRTY 0x40 +#define SRMMU_REF 0x20 +#define SRMMU_NOREAD 0x10 +#define SRMMU_EXEC 0x08 +#define SRMMU_WRITE 0x04 +#define SRMMU_VALID 0x02 /* SRMMU_ET_PTE */ +#define SRMMU_PRIV 0x1c +#define SRMMU_PRIV_RDONLY 0x18 + +#define SRMMU_FILE 0x40 /* Implemented in software */ + +#define SRMMU_PTE_FILE_SHIFT 8 /* == 32-PTE_FILE_MAX_BITS */ + +#define SRMMU_CHG_MASK (0xffffff00 | SRMMU_REF | SRMMU_DIRTY) + +/* SRMMU swap entry encoding + * + * We use 5 bits for the type and 19 for the offset. This gives us + * 32 swapfiles of 4GB each. Encoding looks like: + * + * oooooooooooooooooootttttRRRRRRRR + * fedcba9876543210fedcba9876543210 + * + * The bottom 8 bits are reserved for protection and status bits, especially + * FILE and PRESENT. + */ +#define SRMMU_SWP_TYPE_MASK 0x1f +#define SRMMU_SWP_TYPE_SHIFT SRMMU_PTE_FILE_SHIFT +#define SRMMU_SWP_OFF_MASK 0x7ffff +#define SRMMU_SWP_OFF_SHIFT (SRMMU_PTE_FILE_SHIFT + 5) + +/* Some day I will implement true fine grained access bits for + * user pages because the SRMMU gives us the capabilities to + * enforce all the protection levels that vma's can have. + * XXX But for now... + */ +#define SRMMU_PAGE_NONE __pgprot(SRMMU_CACHE | \ + SRMMU_PRIV | SRMMU_REF) +#define SRMMU_PAGE_SHARED __pgprot(SRMMU_VALID | SRMMU_CACHE | \ + SRMMU_EXEC | SRMMU_WRITE | SRMMU_REF) +#define SRMMU_PAGE_COPY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ + SRMMU_EXEC | SRMMU_REF) +#define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ + SRMMU_EXEC | SRMMU_REF) +#define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ + SRMMU_DIRTY | SRMMU_REF) + +/* SRMMU Register addresses in ASI 0x4. These are valid for all + * current SRMMU implementations that exist. + */ +#define SRMMU_CTRL_REG 0x00000000 +#define SRMMU_CTXTBL_PTR 0x00000100 +#define SRMMU_CTX_REG 0x00000200 +#define SRMMU_FAULT_STATUS 0x00000300 +#define SRMMU_FAULT_ADDR 0x00000400 + +#define WINDOW_FLUSH(tmp1, tmp2) \ + mov 0, tmp1; \ +98: ld [%g6 + TI_UWINMASK], tmp2; \ + orcc %g0, tmp2, %g0; \ + add tmp1, 1, tmp1; \ + bne 98b; \ + save %sp, -64, %sp; \ +99: subcc tmp1, 1, tmp1; \ + bne 99b; \ + restore %g0, %g0, %g0; + +#ifndef __ASSEMBLY__ + +/* This makes sense. Honest it does - Anton */ +/* XXX Yes but it's ugly as sin. FIXME. -KMW */ +extern void *srmmu_nocache_pool; +#define __nocache_pa(VADDR) (((unsigned long)VADDR) - SRMMU_NOCACHE_VADDR + __pa((unsigned long)srmmu_nocache_pool)) +#define __nocache_va(PADDR) (__va((unsigned long)PADDR) - (unsigned long)srmmu_nocache_pool + SRMMU_NOCACHE_VADDR) +#define __nocache_fix(VADDR) __va(__nocache_pa(VADDR)) + +/* Accessing the MMU control register. */ +extern __inline__ unsigned int srmmu_get_mmureg(void) +{ + unsigned int retval; + __asm__ __volatile__("lda [%%g0] %1, %0\n\t": + "=r"(retval):"i"(ASI_M_MMUREGS)); + return retval; +} + +extern __inline__ void srmmu_set_mmureg(unsigned long regval) +{ + __asm__ __volatile__("sta %0, [%%g0] %1\n\t"::"r"(regval), + "i"(ASI_M_MMUREGS):"memory"); + +} + +extern __inline__ void srmmu_set_ctable_ptr(unsigned long paddr) +{ + paddr = ((paddr >> 4) & SRMMU_CTX_PMASK); + __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(paddr), + "r"(SRMMU_CTXTBL_PTR), + "i"(ASI_M_MMUREGS):"memory"); +} + +extern __inline__ unsigned long srmmu_get_ctable_ptr(void) +{ + unsigned int retval; + + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval): + "r"(SRMMU_CTXTBL_PTR), "i"(ASI_M_MMUREGS)); + return (retval & SRMMU_CTX_PMASK) << 4; +} + +extern __inline__ void srmmu_set_context(int context) +{ + __asm__ __volatile__("sta %0, [%1] %2\n\t"::"r"(context), + "r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS):"memory"); +} + +extern __inline__ int srmmu_get_context(void) +{ + register int retval; + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval): + "r"(SRMMU_CTX_REG), "i"(ASI_M_MMUREGS)); + return retval; +} + +extern __inline__ unsigned int srmmu_get_fstatus(void) +{ + unsigned int retval; + + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval): + "r"(SRMMU_FAULT_STATUS), "i"(ASI_M_MMUREGS)); + return retval; +} + +extern __inline__ unsigned int srmmu_get_faddr(void) +{ + unsigned int retval; + + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval): + "r"(SRMMU_FAULT_ADDR), "i"(ASI_M_MMUREGS)); + return retval; +} + +/* This is guaranteed on all SRMMU's. */ +extern __inline__ void srmmu_flush_whole_tlb(void) +{ + __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x400), /* Flush entire TLB!! */ + "i"(ASI_M_FLUSH_PROBE):"memory"); + +} + +/* These flush types are not available on all chips... */ +extern __inline__ void srmmu_flush_tlb_ctx(void) +{ + __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(0x300), /* Flush TLB ctx.. */ + "i"(ASI_M_FLUSH_PROBE):"memory"); + +} + +extern __inline__ void srmmu_flush_tlb_region(unsigned long addr) +{ + addr &= SRMMU_PGDIR_MASK; + __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x200), /* Flush TLB region.. */ + "i"(ASI_M_FLUSH_PROBE):"memory"); + +} + +extern __inline__ void srmmu_flush_tlb_segment(unsigned long addr) +{ + addr &= SRMMU_REAL_PMD_MASK; + __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(addr | 0x100), /* Flush TLB segment.. */ + "i"(ASI_M_FLUSH_PROBE):"memory"); + +} + +extern __inline__ void srmmu_flush_tlb_page(unsigned long page) +{ + page &= PAGE_MASK; + __asm__ __volatile__("sta %%g0, [%0] %1\n\t"::"r"(page), /* Flush TLB page.. */ + "i"(ASI_M_FLUSH_PROBE):"memory"); + +} + +extern __inline__ unsigned long srmmu_hwprobe(unsigned long vaddr) +{ + unsigned long retval; + + vaddr &= PAGE_MASK; + __asm__ __volatile__("lda [%1] %2, %0\n\t": + "=r"(retval): + "r"(vaddr | 0x400), "i"(ASI_M_FLUSH_PROBE)); + + return retval; +} + +extern __inline__ int srmmu_get_pte(unsigned long addr) +{ + register unsigned long entry; + + __asm__ __volatile__("\n\tlda [%1] %2,%0\n\t": + "=r"(entry): + "r"((addr & 0xfffff000) | 0x400), + "i"(ASI_M_FLUSH_PROBE)); + return entry; +} + +extern unsigned long (*srmmu_read_physical) (unsigned long paddr); +extern void (*srmmu_write_physical) (unsigned long paddr, unsigned long word); + +#endif /* !(__ASSEMBLY__) */ + +#endif /* !(__SPARC_SRMMU_H__) */ diff --git a/arch/sparc/include/asm/stack.h b/arch/sparc/include/asm/stack.h new file mode 100644 index 0000000..b40a9f3 --- /dev/null +++ b/arch/sparc/include/asm/stack.h @@ -0,0 +1,162 @@ +/* SPARC stack layout Macros and structures, + * mainly taken from BCC (the Bare C compiler for + * SPARC LEON2/3) sources. + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef __SPARC_STACK_H__ +#define __SPARC_STACK_H__ + +#include <asm/ptrace.h> + +#ifndef __ASSEMBLER__ + +#ifdef __cplusplus +extern "C" { +#endif + +#define PT_REGS_SZ sizeof(struct pt_regs) + +/* A Sparc stack frame */ + struct sparc_stackframe_regs { + unsigned long sf_locals[8]; + unsigned long sf_ins[6]; + struct sparc_stackframe_regs *sf_fp; + unsigned long sf_callers_pc; + char *sf_structptr; + unsigned long sf_xargs[6]; + unsigned long sf_xxargs[1]; + }; +#define SF_REGS_SZ sizeof(struct sparc_stackframe_regs) + +/* A register window */ + struct sparc_regwindow_regs { + unsigned long locals[8]; + unsigned long ins[8]; + }; +#define RW_REGS_SZ sizeof(struct sparc_regwindow_regs) + +/* A fpu window */ + struct sparc_fpuwindow_regs { + unsigned long locals[32]; + unsigned long fsr; + unsigned long lastctx; + }; +#define FW_REGS_SZ sizeof(struct sparc_fpuwindow_regs) + +#ifdef __cplusplus +} +#endif +#else +#define PT_REGS_SZ 0x50 /* 20*4 */ +#define SF_REGS_SZ 0x60 /* 24*4 */ +#define RW_REGS_SZ 0x20 /* 16*4 */ +#define FW_REGS_SZ 0x88 /* 34*4 */ +#endif /* !ASM */ + +/* These are for pt_regs. */ +#define PT_PSR 0x0 +#define PT_PC 0x4 +#define PT_NPC 0x8 +#define PT_Y 0xc +#define PT_G0 0x10 +#define PT_WIM PT_G0 +#define PT_G1 0x14 +#define PT_G2 0x18 +#define PT_G3 0x1c +#define PT_G4 0x20 +#define PT_G5 0x24 +#define PT_G6 0x28 +#define PT_G7 0x2c +#define PT_I0 0x30 +#define PT_I1 0x34 +#define PT_I2 0x38 +#define PT_I3 0x3c +#define PT_I4 0x40 +#define PT_I5 0x44 +#define PT_I6 0x48 +#define PT_FP PT_I6 +#define PT_I7 0x4c + +/* Stack_frame offsets */ +#define SF_L0 0x00 +#define SF_L1 0x04 +#define SF_L2 0x08 +#define SF_L3 0x0c +#define SF_L4 0x10 +#define SF_L5 0x14 +#define SF_L6 0x18 +#define SF_L7 0x1c +#define SF_I0 0x20 +#define SF_I1 0x24 +#define SF_I2 0x28 +#define SF_I3 0x2c +#define SF_I4 0x30 +#define SF_I5 0x34 +#define SF_FP 0x38 +#define SF_PC 0x3c +#define SF_RETP 0x40 +#define SF_XARG0 0x44 +#define SF_XARG1 0x48 +#define SF_XARG2 0x4c +#define SF_XARG3 0x50 +#define SF_XARG4 0x54 +#define SF_XARG5 0x58 +#define SF_XXARG 0x5c + +/* Reg_window offsets */ +#define RW_L0 0x00 +#define RW_L1 0x04 +#define RW_L2 0x08 +#define RW_L3 0x0c +#define RW_L4 0x10 +#define RW_L5 0x14 +#define RW_L6 0x18 +#define RW_L7 0x1c +#define RW_I0 0x20 +#define RW_I1 0x24 +#define RW_I2 0x28 +#define RW_I3 0x2c +#define RW_I4 0x30 +#define RW_I5 0x34 +#define RW_I6 0x38 +#define RW_I7 0x3c + +/* Fpu_window offsets */ +#define FW_F0 0x00 +#define FW_F2 0x08 +#define FW_F4 0x10 +#define FW_F6 0x18 +#define FW_F8 0x20 +#define FW_F10 0x28 +#define FW_F12 0x30 +#define FW_F14 0x38 +#define FW_F16 0x40 +#define FW_F18 0x48 +#define FW_F20 0x50 +#define FW_F22 0x58 +#define FW_F24 0x60 +#define FW_F26 0x68 +#define FW_F28 0x70 +#define FW_F30 0x78 +#define FW_FSR 0x80 + +#endif diff --git a/arch/sparc/include/asm/string.h b/arch/sparc/include/asm/string.h new file mode 100644 index 0000000..c6bbc20 --- /dev/null +++ b/arch/sparc/include/asm/string.h @@ -0,0 +1,55 @@ +/* + * (C) Copyright 2000 - 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007 + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_STRING_H_ +#define _SPARC_STRING_H_ + +/* +#define __HAVE_ARCH_STRCPY +#define __HAVE_ARCH_STRNCPY +#define __HAVE_ARCH_STRLEN +#define __HAVE_ARCH_STRCMP +#define __HAVE_ARCH_STRCAT +#define __HAVE_ARCH_MEMSET +#define __HAVE_ARCH_BCOPY +#define __HAVE_ARCH_MEMCPY +#define __HAVE_ARCH_MEMMOVE +#define __HAVE_ARCH_MEMCMP +#define __HAVE_ARCH_MEMCHR +*/ + +extern int strcasecmp(const char *, const char *); +extern int strncasecmp(const char *, const char *, int); +extern char *strcpy(char *, const char *); +extern char *strncpy(char *, const char *, __kernel_size_t); +extern __kernel_size_t strlen(const char *); +extern int strcmp(const char *, const char *); +extern char *strcat(char *, const char *); +extern void *memset(void *, int, __kernel_size_t); +extern void *memcpy(void *, const void *, __kernel_size_t); +extern void *memmove(void *, const void *, __kernel_size_t); +extern int memcmp(const void *, const void *, __kernel_size_t); +extern void *memchr(const void *, int, __kernel_size_t); + +#endif diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h new file mode 100644 index 0000000..0a8a26c --- /dev/null +++ b/arch/sparc/include/asm/types.h @@ -0,0 +1,74 @@ +/* + * (C) Copyright 2000 - 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + */ + +#ifndef _SPARC_TYPES_H +#define _SPARC_TYPES_H + +#ifndef __ASSEMBLY__ + +typedef unsigned short umode_t; + +typedef __signed__ char __s8; +typedef unsigned char __u8; + +typedef __signed__ short __s16; +typedef unsigned short __u16; + +typedef __signed__ int __s32; +typedef unsigned int __u32; + +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) +typedef __signed__ long long __s64; +typedef unsigned long long __u64; +#endif + +typedef struct { + __u32 u[4]; +} __attribute__((aligned(16))) vector128; + +#ifdef __KERNEL__ +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +typedef signed char s8; +typedef unsigned char u8; + +typedef signed short s16; +typedef unsigned short u16; + +typedef signed int s32; +typedef unsigned int u32; + +typedef signed long long s64; +typedef unsigned long long u64; + +#define BITS_PER_LONG 32 + +/* DMA addresses are 32-bits wide */ +typedef u32 dma_addr_t; + +typedef unsigned long phys_addr_t; +typedef unsigned long phys_size_t; + +#endif /* __KERNEL__ */ +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/sparc/include/asm/u-boot.h b/arch/sparc/include/asm/u-boot.h new file mode 100644 index 0000000..209873f --- /dev/null +++ b/arch/sparc/include/asm/u-boot.h @@ -0,0 +1,62 @@ +/* + * (C) Copyright 2000 - 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2007, From asm-ppc/u-boot.h + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + ******************************************************************** + * NOTE: This header file defines an interface to U-Boot. Including + * this (unmodified) header file in another file is considered normal + * use of U-Boot, and does *not* fall under the heading of "derived + * work". + ******************************************************************** + */ + +#ifndef __U_BOOT_H__ +#define __U_BOOT_H__ + +/* + * Currently, this Board information is not passed to + * Linux kernel from U-Boot, but may be passed to other + * Operating systems. This is because U-boot emulates + * a SUN PROM loader (from Linux point of view). + * + * include/asm-sparc/u-boot.h + */ + +#ifndef __ASSEMBLY__ + +typedef struct bd_info { + unsigned long bi_memstart; /* start of DRAM memory */ + phys_size_t bi_memsize; /* size of DRAM memory in bytes */ + unsigned long bi_flashstart; /* start of FLASH memory */ + unsigned long bi_flashsize; /* size of FLASH memory */ + unsigned long bi_flashoffset; /* reserved area for startup monitor */ + unsigned long bi_sramstart; /* start of SRAM memory */ + unsigned long bi_sramsize; /* size of SRAM memory */ + unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */ + unsigned long bi_ip_addr; /* IP Address */ + unsigned short bi_ethspeed; /* Ethernet speed in Mbps */ + unsigned long bi_intfreq; /* Internal Freq, in MHz */ + unsigned long bi_busfreq; /* Bus Freq, in MHz */ + unsigned long bi_baudrate; /* Console Baudrate */ +} bd_t; + +#endif /* __ASSEMBLY__ */ +#endif /* __U_BOOT_H__ */ diff --git a/arch/sparc/include/asm/winmacro.h b/arch/sparc/include/asm/winmacro.h new file mode 100644 index 0000000..66fc639 --- /dev/null +++ b/arch/sparc/include/asm/winmacro.h @@ -0,0 +1,151 @@ +/* + * Added to U-boot, + * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com + * Copyright (C) 2007 + * + * LEON2/3 LIBIO low-level routines + * Written by Jiri Gaisler. + * Copyright (C) 2004 Gaisler Research AB + + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +*/ + +#ifndef __SPARC_WINMACRO_H__ +#define __SPARC_WINMACRO_H__ + +#include <asm/asmmacro.h> +#include <asm/stack.h> + +/* Store the register window onto the 8-byte aligned area starting + * at %reg. It might be %sp, it might not, we don't care. + */ +#define RW_STORE(reg) \ + std %l0, [%reg + RW_L0]; \ + std %l2, [%reg + RW_L2]; \ + std %l4, [%reg + RW_L4]; \ + std %l6, [%reg + RW_L6]; \ + std %i0, [%reg + RW_I0]; \ + std %i2, [%reg + RW_I2]; \ + std %i4, [%reg + RW_I4]; \ + std %i6, [%reg + RW_I6]; + +/* Load a register window from the area beginning at %reg. */ +#define RW_LOAD(reg) \ + ldd [%reg + RW_L0], %l0; \ + ldd [%reg + RW_L2], %l2; \ + ldd [%reg + RW_L4], %l4; \ + ldd [%reg + RW_L6], %l6; \ + ldd [%reg + RW_I0], %i0; \ + ldd [%reg + RW_I2], %i2; \ + ldd [%reg + RW_I4], %i4; \ + ldd [%reg + RW_I6], %i6; + +/* Loading and storing struct pt_reg trap frames. */ +#define PT_LOAD_INS(base_reg) \ + ldd [%base_reg + SF_REGS_SZ + PT_I0], %i0; \ + ldd [%base_reg + SF_REGS_SZ + PT_I2], %i2; \ + ldd [%base_reg + SF_REGS_SZ + PT_I4], %i4; \ + ldd [%base_reg + SF_REGS_SZ + PT_I6], %i6; + +#define PT_LOAD_GLOBALS(base_reg) \ + ld [%base_reg + SF_REGS_SZ + PT_G1], %g1; \ + ldd [%base_reg + SF_REGS_SZ + PT_G2], %g2; \ + ldd [%base_reg + SF_REGS_SZ + PT_G4], %g4; \ + ldd [%base_reg + SF_REGS_SZ + PT_G6], %g6; + +#define PT_LOAD_YREG(base_reg, scratch) \ + ld [%base_reg + SF_REGS_SZ + PT_Y], %scratch; \ + wr %scratch, 0x0, %y; + +#define PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ + ld [%base_reg + SF_REGS_SZ + PT_PSR], %pt_psr; \ + ld [%base_reg + SF_REGS_SZ + PT_PC], %pt_pc; \ + ld [%base_reg + SF_REGS_SZ + PT_NPC], %pt_npc; + +#define PT_LOAD_ALL(base_reg, pt_psr, pt_pc, pt_npc, scratch) \ + PT_LOAD_YREG(base_reg, scratch) \ + PT_LOAD_INS(base_reg) \ + PT_LOAD_GLOBALS(base_reg) \ + PT_LOAD_PRIV(base_reg, pt_psr, pt_pc, pt_npc) + +#define PT_STORE_INS(base_reg) \ + std %i0, [%base_reg + SF_REGS_SZ + PT_I0]; \ + std %i2, [%base_reg + SF_REGS_SZ + PT_I2]; \ + std %i4, [%base_reg + SF_REGS_SZ + PT_I4]; \ + std %i6, [%base_reg + SF_REGS_SZ + PT_I6]; + +#define PT_STORE_GLOBALS(base_reg) \ + st %g1, [%base_reg + SF_REGS_SZ + PT_G1]; \ + std %g2, [%base_reg + SF_REGS_SZ + PT_G2]; \ + std %g4, [%base_reg + SF_REGS_SZ + PT_G4]; \ + std %g6, [%base_reg + SF_REGS_SZ + PT_G6]; + +#define PT_STORE_YREG(base_reg, scratch) \ + rd %y, %scratch; \ + st %scratch, [%base_reg + SF_REGS_SZ + PT_Y]; + +#define PT_STORE_PRIV(base_reg, pt_psr, pt_pc, pt_npc) \ + st %pt_psr, [%base_reg + SF_REGS_SZ + PT_PSR]; \ + st %pt_pc, [%base_reg + SF_REGS_SZ + PT_PC]; \ + st %pt_npc, [%base_reg + SF_REGS_SZ + PT_NPC]; + +#define PT_STORE_ALL(base_reg, reg_psr, reg_pc, reg_npc, g_scratch) \ + PT_STORE_PRIV(base_reg, reg_psr, reg_pc, reg_npc) \ + PT_STORE_GLOBALS(base_reg) \ + PT_STORE_YREG(base_reg, g_scratch) \ + PT_STORE_INS(base_reg) + +/* Store the fpu register window*/ +#define FW_STORE(reg) \ + std %f0, [reg + FW_F0]; \ + std %f2, [reg + FW_F2]; \ + std %f4, [reg + FW_F4]; \ + std %f6, [reg + FW_F6]; \ + std %f8, [reg + FW_F8]; \ + std %f10, [reg + FW_F10]; \ + std %f12, [reg + FW_F12]; \ + std %f14, [reg + FW_F14]; \ + std %f16, [reg + FW_F16]; \ + std %f18, [reg + FW_F18]; \ + std %f20, [reg + FW_F20]; \ + std %f22, [reg + FW_F22]; \ + std %f24, [reg + FW_F24]; \ + std %f26, [reg + FW_F26]; \ + std %f28, [reg + FW_F28]; \ + std %f30, [reg + FW_F30]; \ + st %fsr, [reg + FW_FSR]; + +/* Load a fpu register window from the area beginning at reg. */ +#define FW_LOAD(reg) \ + ldd [reg + FW_F0], %f0; \ + ldd [reg + FW_F2], %f2; \ + ldd [reg + FW_F4], %f4; \ + ldd [reg + FW_F6], %f6; \ + ldd [reg + FW_F8], %f8; \ + ldd [reg + FW_F10], %f10; \ + ldd [reg + FW_F12], %f12; \ + ldd [reg + FW_F14], %f14; \ + ldd [reg + FW_F16], %f16; \ + ldd [reg + FW_F18], %f18; \ + ldd [reg + FW_F20], %f20; \ + ldd [reg + FW_F22], %f22; \ + ldd [reg + FW_F24], %f24; \ + ldd [reg + FW_F26], %f26; \ + ldd [reg + FW_F28], %f28; \ + ldd [reg + FW_F30], %f30; \ + ld [reg + FW_FSR], %fsr; + +#endif |