diff options
| -rw-r--r-- | cpu/microblaze/Makefile | 3 | ||||
| -rw-r--r-- | cpu/microblaze/cache.c | 16 | ||||
| -rw-r--r-- | cpu/microblaze/dcache.S | 68 | ||||
| -rw-r--r-- | cpu/microblaze/disable_int.S | 46 | ||||
| -rw-r--r-- | cpu/microblaze/enable_int.S | 38 | ||||
| -rw-r--r-- | cpu/microblaze/icache.S | 69 |
6 files changed, 17 insertions, 223 deletions
diff --git a/cpu/microblaze/Makefile b/cpu/microblaze/Makefile index b7be5e1..9d54201 100644 --- a/cpu/microblaze/Makefile +++ b/cpu/microblaze/Makefile @@ -26,8 +26,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -#SOBJS = dcache.o icache.o irq.o disable_int.o enable_int.o -SOBJS = dcache.o icache.o irq.o +SOBJS = irq.o COBJS = cpu.o interrupts.o cache.o exception.o timer.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) diff --git a/cpu/microblaze/cache.c b/cpu/microblaze/cache.c index fc388eb..683044c 100644 --- a/cpu/microblaze/cache.c +++ b/cpu/microblaze/cache.c @@ -45,4 +45,20 @@ int icache_status (void) __asm__ __volatile__ ("and %0,%0,%1"::"r" (i), "r" (mask):"memory"); return i; } + +void icache_enable (void) { + __asm__ __volatile__ ("msrset r0, 0x80"); +} + +void icache_disable(void) { + __asm__ __volatile__ ("msrclr r0, 0x80"); +} + +void dcache_enable (void) { + __asm__ __volatile__ ("msrset r0, 0x20"); +} + +void dcache_disable(void) { + __asm__ __volatile__ ("msrclr r0, 0x20"); +} #endif diff --git a/cpu/microblaze/dcache.S b/cpu/microblaze/dcache.S deleted file mode 100644 index eaf9671..0000000 --- a/cpu/microblaze/dcache.S +++ /dev/null @@ -1,68 +0,0 @@ -/* - * (C) Copyright 2007 Michal Simek - * - * Michal SIMEK <monstr@monstr.eu> - * - * 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 - */ - .text - .globl dcache_enable - .ent dcache_enable - .align 2 -dcache_enable: - /* Make space on stack for a temporary */ - addi r1, r1, -4 - /* Save register r12 */ - swi r12, r1, 0 - /* Read the MSR register */ - mfs r12, rmsr - /* Set the instruction enable bit */ - ori r12, r12, 0x80 - /* Save the MSR register */ - mts rmsr, r12 - /* Load register r12 */ - lwi r12, r1, 0 - /* Return */ - rtsd r15, 8 - /* Update stack in the delay slot */ - addi r1, r1, 4 - .end dcache_enable - - .text - .globl dcache_disable - .ent dcache_disable - .align 2 -dcache_disable: - /* Make space on stack for a temporary */ - addi r1, r1, -4 - /* Save register r12 */ - swi r12, r1, 0 - /* Read the MSR register */ - mfs r12, rmsr - /* Clear the data cache enable bit */ - andi r12, r12, ~0x80 - /* Save the MSR register */ - mts rmsr, r12 - /* Load register r12 */ - lwi r12, r1, 0 - /* Return */ - rtsd r15, 8 - /* Update stack in the delay slot */ - addi r1, r1, 4 - .end dcache_disable diff --git a/cpu/microblaze/disable_int.S b/cpu/microblaze/disable_int.S deleted file mode 100644 index aecd795..0000000 --- a/cpu/microblaze/disable_int.S +++ /dev/null @@ -1,46 +0,0 @@ -/* - * (C) Copyright 2007 Michal Simek - * - * Michal SIMEK <monstr@monstr.eu> - * - * 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 - */ - - .text - .globl microblaze_disable_interrupts - .ent microblaze_disable_interrupts - .align 2 -microblaze_disable_interrupts: - #Make space on stack for a temporary - addi r1, r1, -4 - #Save register r12 - swi r12, r1, 0 - #Read the MSR register - mfs r12, rmsr - #Clear the interrupt enable bit - andi r12, r12, ~2 - #Save the MSR register - mts rmsr, r12 - #Load register r12 - lwi r12, r1, 0 - #Return - rtsd r15, 8 - #Update stack in the delay slot - addi r1, r1, 4 - .end microblaze_disable_interrupts diff --git a/cpu/microblaze/enable_int.S b/cpu/microblaze/enable_int.S deleted file mode 100644 index c096c6c..0000000 --- a/cpu/microblaze/enable_int.S +++ /dev/null @@ -1,38 +0,0 @@ -/* - * (C) Copyright 2007 Michal Simek - * - * Michal SIMEK <monstrmonstr.eu> - * - * 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 - */ - - .text - .globl microblaze_enable_interrupts - .ent microblaze_enable_interrupts - .align 2 -microblaze_enable_interrupts: - addi r1, r1, -4 - swi r12, r1, 0 - mfs r12, rmsr - ori r12, r12, 2 - mts rmsr, r12 - lwi r12, r1, 0 - rtsd r15, 8 - addi r1, r1, 4 - .end microblaze_enable_interrupts diff --git a/cpu/microblaze/icache.S b/cpu/microblaze/icache.S deleted file mode 100644 index 25940d1..0000000 --- a/cpu/microblaze/icache.S +++ /dev/null @@ -1,69 +0,0 @@ -/* - * (C) Copyright 2007 Michal Simek - * - * Michal SIMEK <monstr@monstr.eu> - * - * 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 - */ - - .text - .globl icache_enable - .ent icache_enable - .align 2 -icache_enable: - /* Make space on stack for a temporary */ - addi r1, r1, -4 - /* Save register r12 */ - swi r12, r1, 0 - /* Read the MSR register */ - mfs r12, rmsr - /* Set the instruction enable bit */ - ori r12, r12, 0x20 - /* Save the MSR register */ - mts rmsr, r12 - /* Load register r12 */ - lwi r12, r1, 0 - /* Return */ - rtsd r15, 8 - /* Update stack in the delay slot */ - addi r1, r1, 4 - .end icache_enable - - .text - .globl icache_disable - .ent icache_disable - .align 2 -icache_disable: - /* Make space on stack for a temporary */ - addi r1, r1, -4 - /* Save register r12 */ - swi r12, r1, 0 - /* Read the MSR register */ - mfs r12, rmsr - /* Clear the instruction enable bit */ - andi r12, r12, ~0x20 - /* Save the MSR register */ - mts rmsr, r12 - /* Load register r12 */ - lwi r12, r1, 0 - /* Return */ - rtsd r15, 8 - /* Update stack in the delay slot */ - addi r1, r1, 4 - .end icache_disable |