diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/apollon.h | 261 | ||||
| -rw-r--r-- | include/configs/flea3.h | 1 | ||||
| -rw-r--r-- | include/configs/mx35pdk.h | 1 | ||||
| -rw-r--r-- | include/configs/tx25.h | 1 | ||||
| -rw-r--r-- | include/environment.h | 12 | ||||
| -rw-r--r-- | include/fsl_nfc.h | 113 | ||||
| -rw-r--r-- | include/linux/mtd/nand.h | 5 | ||||
| -rw-r--r-- | include/nand.h | 6 | ||||
| -rw-r--r-- | include/search.h | 26 |
9 files changed, 95 insertions, 331 deletions
diff --git a/include/configs/apollon.h b/include/configs/apollon.h deleted file mode 100644 index b8ca8a8..0000000 --- a/include/configs/apollon.h +++ /dev/null @@ -1,261 +0,0 @@ -/* - * (C) Copyright 2005-2008 - * Samsung Electronics, - * Kyungmin Park <kyungmin.park@samsung.com> - * - * Configuration settings for the 2420 Samsung Apollon board. - * - * 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 __CONFIG_H -#define __CONFIG_H - -/* - * High Level Configuration Options - */ -#define CONFIG_ARM1136 1 /* This is an arm1136 CPU core */ -#define CONFIG_OMAP 1 /* in a TI OMAP core */ -#define CONFIG_OMAP2420 1 /* which is in a 2420 */ -#define CONFIG_OMAP2420_APOLLON 1 -#define CONFIG_APOLLON 1 -#define CONFIG_APOLLON_PLUS 1 /* If you have apollon plus 1.x */ - -#define CONFIG_ONENAND_U_BOOT y - -/* Clock config to target*/ -#define PRCM_CONFIG_I 1 -/* #define PRCM_CONFIG_II 1 */ - -/* Boot method */ -/* uncomment if you use NOR boot */ -/* #define CONFIG_SYS_NOR_BOOT 1 */ - -/* uncomment if you use NOR on CS3 */ -/* #define CONFIG_SYS_USE_NOR 1 */ - -#ifdef CONFIG_SYS_NOR_BOOT -#undef CONFIG_SYS_USE_NOR -#define CONFIG_SYS_USE_NOR 1 -#endif - -/* uncommnet if you want to use UBI */ -#define CONFIG_SYS_USE_UBI - -#include <asm/arch/omap2420.h> /* get chip and board defs */ - -#define V_SCLK 12000000 - -/* input clock of PLL */ -/* the OMAP2420 H4 has 12MHz, 13MHz, or 19.2Mhz crystal input */ -#define CONFIG_SYS_CLK_FREQ V_SCLK - -#define CONFIG_MISC_INIT_R - -#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */ -#define CONFIG_SETUP_MEMORY_TAGS 1 -#define CONFIG_INITRD_TAG 1 -#define CONFIG_REVISION_TAG 1 - -/* - * Size of malloc() pool - */ -#define CONFIG_ENV_SIZE SZ_128K /* Total Size of Environment Sector */ -#define CONFIG_ENV_SIZE_FLEX SZ_256K -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + SZ_1M) - -/* - * Hardware drivers - */ - -/* - * SMC91c96 Etherent - */ -#define CONFIG_LAN91C96 -#define CONFIG_LAN91C96_BASE (APOLLON_CS1_BASE+0x300) -#define CONFIG_LAN91C96_EXT_PHY - -/* - * NS16550 Configuration - */ -#define V_NS16550_CLK (48000000) /* 48MHz (APLL96/2) */ - -#define CONFIG_SYS_NS16550 -#define CONFIG_SYS_NS16550_SERIAL -#define CONFIG_SYS_NS16550_REG_SIZE (-4) -#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK /* 3MHz (1.5MHz*2) */ -#define CONFIG_SYS_NS16550_COM1 OMAP2420_UART1 - -/* - * select serial console configuration - */ -#define CONFIG_SERIAL1 1 /* UART1 on H4 */ - -/* allow to overwrite serial and ethaddr */ -#define CONFIG_ENV_OVERWRITE -#define CONFIG_CONS_INDEX 1 -#define CONFIG_BAUDRATE 115200 - -/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */ -#include <config_cmd_default.h> - -#define CONFIG_CMD_DHCP -#define CONFIG_CMD_DIAG -#define CONFIG_CMD_ONENAND - -#ifdef CONFIG_SYS_USE_UBI -#define CONFIG_CMD_JFFS2 -#define CONFIG_CMD_UBI -#define CONFIG_RBTREE -#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ -#define CONFIG_MTD_PARTITIONS -#endif - -#undef CONFIG_CMD_SOURCE - -#ifndef CONFIG_SYS_USE_NOR -# undef CONFIG_CMD_FLASH -# undef CONFIG_CMD_IMLS -#endif - -#define CONFIG_BOOTP_MASK CONFIG_BOOTP_DEFAULT - -#define CONFIG_BOOTDELAY 1 - -#define CONFIG_NETMASK 255.255.255.0 -#define CONFIG_IPADDR 192.168.116.25 -#define CONFIG_SERVERIP 192.168.116.1 -#define CONFIG_BOOTFILE "uImage" -#define CONFIG_ETHADDR 00:0E:99:00:24:20 - -#ifdef CONFIG_APOLLON_PLUS -#define CONFIG_SYS_MEM "mem=64M" -#else -#define CONFIG_SYS_MEM "mem=128" -#endif - -#ifdef CONFIG_SYS_USE_UBI -#define CONFIG_SYS_UBI "ubi.mtd=4" -#else -#define CONFIG_SYS_UBI "" -#endif - -#define CONFIG_BOOTARGS "root=/dev/nfs rw " CONFIG_SYS_MEM \ - " console=ttyS0,115200n8" \ - " ip=192.168.116.25:192.168.116.1:192.168.116.1:255.255.255.0:" \ - "apollon:eth0:off nfsroot=/tftpboot/nfsroot profile=2 " \ - CONFIG_SYS_UBI - -#define CONFIG_EXTRA_ENV_SETTINGS \ - "Image=tftp 0x80008000 Image; go 0x80008000\0" \ - "zImage=tftp 0x80180000 zImage; go 0x80180000\0" \ - "uImage=tftp 0x80180000 uImage; bootm 0x80180000\0" \ - "uboot=tftp 0x80008000 u-boot.bin; go 0x80008000\0" \ - "xloader=tftp 0x80180000 x-load.bin; " \ - " cp.w 0x80180000 0x00000400 0x1000; go 0x00000400\0" \ - "syncmode50=mw.w 0x1e442 0xc0c4; mw 0x6800a060 0xe30d1201\0" \ - "syncmode=mw.w 0x1e442 0xe0f4; mw 0x6800a060 0xe30d1201\0" \ - "norboot=cp32 0x18040000 0x80008000 0x200000; go 0x80008000\0" \ - "oneboot=onenand read 0x80008000 0x40000 0x200000; go 0x80008000\0" \ - "onesyncboot=run syncmode oneboot\0" \ - "updateb=tftp 0x80180000 u-boot-onenand.bin; " \ - " onenand erase 0x0 0x20000; onenand write 0x80180000 0x0 0x20000\0" \ - "ubi=setenv bootargs ${bootargs} ubi.mtd=4 ${mtdparts}; run uImage\0" \ - "bootcmd=run uboot\0" - -/* - * Miscellaneous configurable options - */ -#define CONFIG_SYS_LONGHELP /* undef to save memory */ -#define CONFIG_SYS_PROMPT "Apollon # " -#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ -/* Print Buffer Size */ -#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE+sizeof(CONFIG_SYS_PROMPT)+16) -#define CONFIG_SYS_MAXARGS 16 /* max number of command args */ -/* Boot Argument Buffer Size */ -#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE -/* memtest works on */ -#define CONFIG_SYS_MEMTEST_START (OMAP2420_SDRC_CS0) -#define CONFIG_SYS_MEMTEST_END (OMAP2420_SDRC_CS0+SZ_31M) - -/* default load address */ -#define CONFIG_SYS_LOAD_ADDR (OMAP2420_SDRC_CS0) - -/* The 2420 has 12 GP timers, they can be driven by the SysClk (12/13/19.2) - * or by 32KHz clk, or from external sig. This rate is divided by a local - * divisor. - */ -#define CONFIG_SYS_TIMERBASE OMAP2420_GPT2 -#define CONFIG_SYS_PTV 7 /* 2^(PTV+1) */ -#define CONFIG_SYS_HZ ((CONFIG_SYS_CLK_FREQ)/(2 << CONFIG_SYS_PTV)) - -/*----------------------------------------------------------------------- - * Physical Memory Map - */ -#define CONFIG_NR_DRAM_BANKS 1 /* CS1 may or may not be populated */ -#define PHYS_SDRAM_1 OMAP2420_SDRC_CS0 -#define PHYS_SDRAM_1_SIZE SZ_128M -#define PHYS_SDRAM_2 OMAP2420_SDRC_CS1 - -/*----------------------------------------------------------------------- - * FLASH and environment organization - */ -#ifdef CONFIG_SYS_USE_NOR -/* OneNAND boot, NOR has CS3, But NOR has CS0 when NOR boot */ -# define CONFIG_SYS_FLASH_BASE 0x18000000 -# define CONFIG_SYS_MAX_FLASH_BANKS 1 -# define CONFIG_SYS_MAX_FLASH_SECT 1024 -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* Flash memory is CFI compliant */ -# define CONFIG_SYS_FLASH_CFI 1 -# define CONFIG_FLASH_CFI_DRIVER 1 /* Use drivers/cfi_flash.c */ -/* Use buffered writes (~10x faster) */ -/* #define CONFIG_SYS_FLASH_USE_BUFFER_WRITE 1 */ -/* Use h/w sector protection*/ -# define CONFIG_SYS_FLASH_PROTECTION 1 - -#else /* !CONFIG_SYS_USE_NOR */ -# define CONFIG_SYS_NO_FLASH 1 -#endif /* CONFIG_SYS_USE_NOR */ - -/* OneNAND boot, OneNAND has CS0, NOR boot ONeNAND has CS2 */ -#define CONFIG_SYS_ONENAND_BASE 0x00000000 -#define CONFIG_SYS_MONITOR_LEN SZ_256K /* U-Boot image size */ -#define CONFIG_ENV_IS_IN_ONENAND 1 -#define CONFIG_ENV_ADDR 0x00020000 -#define CONFIG_ENV_ADDR_FLEX 0x00040000 - -#ifdef CONFIG_SYS_USE_UBI -#define CONFIG_CMD_MTDPARTS -#define MTDIDS_DEFAULT "onenand0=onenand" -#define MTDPARTS_DEFAULT "mtdparts=onenand:128k(bootloader)," \ - "128k(params)," \ - "2m(kernel)," \ - "16m(rootfs)," \ - "32m(fs)," \ - "-(ubifs)" -#endif - -#define PHYS_SRAM 0x4020F800 -#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 -#define CONFIG_SYS_INIT_SP_ADDR PHYS_SRAM - -#endif /* __CONFIG_H */ diff --git a/include/configs/flea3.h b/include/configs/flea3.h index 4350518..027a5dc 100644 --- a/include/configs/flea3.h +++ b/include/configs/flea3.h @@ -213,7 +213,6 @@ * NAND FLASH driver setup */ #define CONFIG_NAND_MXC -#define CONFIG_NAND_MXC_V1_1 #define CONFIG_MXC_NAND_REGS_BASE (NFC_BASE_ADDR) #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE (NFC_BASE_ADDR) diff --git a/include/configs/mx35pdk.h b/include/configs/mx35pdk.h index 9bc6bd4..5816152 100644 --- a/include/configs/mx35pdk.h +++ b/include/configs/mx35pdk.h @@ -231,7 +231,6 @@ * NAND FLASH driver setup */ #define CONFIG_NAND_MXC -#define CONFIG_NAND_MXC_V1_1 #define CONFIG_MXC_NAND_REGS_BASE (NFC_BASE_ADDR) #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE (NFC_BASE_ADDR) diff --git a/include/configs/tx25.h b/include/configs/tx25.h index c8a49bb..71b1d32 100644 --- a/include/configs/tx25.h +++ b/include/configs/tx25.h @@ -107,7 +107,6 @@ /* NAND */ #define CONFIG_NAND_MXC -#define CONFIG_NAND_MXC_V1_1 #define CONFIG_MXC_NAND_REGS_BASE (0xBB000000) #define CONFIG_SYS_MAX_NAND_DEVICE 1 #define CONFIG_SYS_NAND_BASE (0xBB000000) diff --git a/include/environment.h b/include/environment.h index ae3f7b6..e8ab703 100644 --- a/include/environment.h +++ b/include/environment.h @@ -181,9 +181,21 @@ void env_crc_update(void); /* [re]set to the default environment */ void set_default_env(const char *s); +/* [re]set individual variables to their value in the default environment */ +int set_default_vars(int nvars, char * const vars[]); + /* Import from binary representation into hash table */ int env_import(const char *buf, int check); +/* + * Check if variable "name" can be changed from oldval to newval, + * and if so, apply the changes (e.g. baudrate). + * When (flag & H_FORCE) is set, it does not print out any error + * message and forces overwriting of write-once variables. + */ +int env_check_apply(const char *name, const char *oldval, + const char *newval, int flag); + #endif /* DO_DEPS_ONLY */ #endif /* _ENVIRONMENT_H_ */ diff --git a/include/fsl_nfc.h b/include/fsl_nfc.h index 279aaa5..ff537b4 100644 --- a/include/fsl_nfc.h +++ b/include/fsl_nfc.h @@ -24,49 +24,48 @@ #define __FSL_NFC_H /* - * TODO: Use same register defs for nand_spl mxc nand driver - * and mtd mxc nand driver. + * Register map and bit definitions for the Freescale NAND Flash Controller + * present in various i.MX devices. * - * Register map and bit definitions for the Freescale NAND Flash - * Controller present in various i.MX devices. + * MX31 and MX27 have version 1, which has: + * 4 512-byte main buffers and + * 4 16-byte spare buffers + * to support up to 2K byte pagesize nand. + * Reading or writing a 2K page requires 4 FDI/FDO cycles. * - * MX31 and MX27 have version 1 which has - * 4 512 byte main buffers and - * 4 16 byte spare buffers - * to support up to 2K byte pagesize nand. - * Reading or writing a 2K page requires 4 FDI/FDO cycles. - * - * MX25 has version 1.1 which has - * 8 512 byte main buffers and - * 8 64 byte spare buffers - * to support up to 4K byte pagesize nand. - * Reading or writing a 2K or 4K page requires only 1 FDI/FDO cycle. - * Also some of registers are moved and/or changed meaning as seen below. + * MX25 and MX35 have version 2.1, which has: + * 8 512-byte main buffers and + * 8 64-byte spare buffers + * to support up to 4K byte pagesize nand. + * Reading or writing a 2K or 4K page requires only 1 FDI/FDO cycle. + * Also some of registers are moved and/or changed meaning as seen below. */ -#if defined(CONFIG_MX31) || defined(CONFIG_MX27) +#if defined(CONFIG_MX27) || defined(CONFIG_MX31) #define MXC_NFC_V1 -#elif defined(CONFIG_MX25) -#define MXC_NFC_V1_1 +#define is_mxc_nfc_1() 1 +#define is_mxc_nfc_21() 0 +#elif defined(CONFIG_MX25) || defined(CONFIG_MX35) +#define MXC_NFC_V2_1 +#define is_mxc_nfc_1() 0 +#define is_mxc_nfc_21() 1 #else -#warning "MXC NFC version not defined" +#error "MXC NFC implementation not supported" #endif #if defined(MXC_NFC_V1) #define NAND_MXC_NR_BUFS 4 #define NAND_MXC_SPARE_BUF_SIZE 16 #define NAND_MXC_REG_OFFSET 0xe00 -#define NAND_MXC_2K_MULTI_CYCLE 1 -#elif defined(MXC_NFC_V1_1) +#define NAND_MXC_2K_MULTI_CYCLE +#elif defined(MXC_NFC_V2_1) #define NAND_MXC_NR_BUFS 8 #define NAND_MXC_SPARE_BUF_SIZE 64 #define NAND_MXC_REG_OFFSET 0x1e00 -#else -#error "define CONFIG_NAND_MXC_VXXX to use the mxc spl_nand driver" #endif struct fsl_nfc_regs { - u32 main_area[NAND_MXC_NR_BUFS][512/4]; - u32 spare_area[NAND_MXC_NR_BUFS][NAND_MXC_SPARE_BUF_SIZE/4]; + u8 main_area[NAND_MXC_NR_BUFS][0x200]; + u8 spare_area[NAND_MXC_NR_BUFS][NAND_MXC_SPARE_BUF_SIZE]; /* * reserved size is offset of nfc registers * minus total main and spare sizes @@ -74,44 +73,43 @@ struct fsl_nfc_regs { u8 reserved1[NAND_MXC_REG_OFFSET - NAND_MXC_NR_BUFS * (512 + NAND_MXC_SPARE_BUF_SIZE)]; #if defined(MXC_NFC_V1) - u16 bufsiz; + u16 buf_size; u16 reserved2; - u16 buffer_address; - u16 flash_add; + u16 buf_addr; + u16 flash_addr; u16 flash_cmd; - u16 configuration; + u16 config; u16 ecc_status_result; - u16 ecc_rslt_main_area; - u16 ecc_rslt_spare_area; - u16 nf_wr_prot; - u16 unlock_start_blk_add; - u16 unlock_end_blk_add; - u16 nand_flash_wr_pr_st; - u16 nand_flash_config1; - u16 nand_flash_config2; -#elif defined(MXC_NFC_V1_1) + u16 rsltmain_area; + u16 rsltspare_area; + u16 wrprot; + u16 unlockstart_blkaddr; + u16 unlockend_blkaddr; + u16 nf_wrprst; + u16 config1; + u16 config2; +#elif defined(MXC_NFC_V2_1) u16 reserved2[2]; - u16 buffer_address; - u16 flash_add; + u16 buf_addr; + u16 flash_addr; u16 flash_cmd; - u16 configuration; - u16 ecc_status_result; - u16 ecc_status_result2; + u16 config; + u32 ecc_status_result; u16 spare_area_size; - u16 nf_wr_prot; + u16 wrprot; u16 reserved3[2]; - u16 nand_flash_wr_pr_st; - u16 nand_flash_config1; - u16 nand_flash_config2; + u16 nf_wrprst; + u16 config1; + u16 config2; u16 reserved4; - u16 unlock_start_blk_add0; - u16 unlock_end_blk_add0; - u16 unlock_start_blk_add1; - u16 unlock_end_blk_add1; - u16 unlock_start_blk_add2; - u16 unlock_end_blk_add2; - u16 unlock_start_blk_add3; - u16 unlock_end_blk_add3; + u16 unlockstart_blkaddr; + u16 unlockend_blkaddr; + u16 unlockstart_blkaddr1; + u16 unlockend_blkaddr1; + u16 unlockstart_blkaddr2; + u16 unlockend_blkaddr2; + u16 unlockstart_blkaddr3; + u16 unlockend_blkaddr3; #endif }; @@ -157,7 +155,7 @@ struct fsl_nfc_regs { */ #define NFC_INT 0x8000 -#ifdef MXC_NFC_V1_1 +#ifdef MXC_NFC_V2_1 #define NFC_4_8N_ECC (1 << 0) #endif #define NFC_SP_EN (1 << 2) @@ -167,5 +165,6 @@ struct fsl_nfc_regs { #define NFC_RST (1 << 6) #define NFC_CE (1 << 7) #define NFC_ONE_CYCLE (1 << 8) +#define NFC_FP_INT (1 << 11) #endif /* __FSL_NFC_H */ diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 82704de..c06866b 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -85,8 +85,10 @@ extern void nand_wait_ready(struct mtd_info *mtd); #define NAND_CMD_RESET 0xff #define NAND_CMD_LOCK 0x2a +#define NAND_CMD_LOCK_TIGHT 0x2c #define NAND_CMD_UNLOCK1 0x23 #define NAND_CMD_UNLOCK2 0x24 +#define NAND_CMD_LOCK_STATUS 0x7a /* Extended commands for large page devices */ #define NAND_CMD_READSTART 0x30 @@ -205,9 +207,6 @@ typedef enum { #define NAND_SUBPAGE_READ(chip) ((chip->ecc.mode == NAND_ECC_SOFT) \ && (chip->page_shift > 9)) -/* Mask to zero out the chip options, which come from the id table */ -#define NAND_CHIPOPTIONS_MSK (0x0000ffff & ~NAND_NO_AUTOINCR) - /* Non chip related options */ /* * Use a flash based bad block table. OOB identifier is saved in OOB area. diff --git a/include/nand.h b/include/nand.h index c554c55..bbe28b2 100644 --- a/include/nand.h +++ b/include/nand.h @@ -141,11 +141,11 @@ int nand_write_skip_bad(nand_info_t *nand, loff_t offset, size_t *length, int nand_erase_opts(nand_info_t *meminfo, const nand_erase_options_t *opts); #define NAND_LOCK_STATUS_TIGHT 0x01 -#define NAND_LOCK_STATUS_LOCK 0x02 #define NAND_LOCK_STATUS_UNLOCK 0x04 -int nand_lock( nand_info_t *meminfo, int tight ); -int nand_unlock( nand_info_t *meminfo, ulong start, ulong length ); +int nand_lock(nand_info_t *meminfo, int tight); +int nand_unlock(nand_info_t *meminfo, loff_t start, size_t length, + int allexcept); int nand_get_lock_status(nand_info_t *meminfo, loff_t offset); int nand_spl_load_image(uint32_t offs, unsigned int size, void *dst); diff --git a/include/search.h b/include/search.h index ef53edb..93e1cbc 100644 --- a/include/search.h +++ b/include/search.h @@ -57,13 +57,23 @@ struct hsearch_data { struct _ENTRY *table; unsigned int size; unsigned int filled; +/* + * Callback function which will check whether the given change for variable + * "name" from "oldval" to "newval" may be applied or not, and possibly apply + * such change. + * When (flag & H_FORCE) is set, it shall not print out any error message and + * shall force overwriting of write-once variables. +.* Must return 0 for approval, 1 for denial. + */ + int (*apply)(const char *name, const char *oldval, + const char *newval, int flag); }; /* Create a new hashing table which will at most contain NEL elements. */ extern int hcreate_r(size_t __nel, struct hsearch_data *__htab); /* Destroy current internal hashing table. */ -extern void hdestroy_r(struct hsearch_data *__htab); +extern void hdestroy_r(struct hsearch_data *__htab, int do_apply); /* * Search for entry matching ITEM.key in internal hash table. If @@ -88,17 +98,25 @@ extern int hstrstr_r(const char *__match, int __last_idx, ENTRY ** __retval, struct hsearch_data *__htab); /* Search and delete entry matching ITEM.key in internal hash table. */ -extern int hdelete_r(const char *__key, struct hsearch_data *__htab); +extern int hdelete_r(const char *__key, struct hsearch_data *__htab, + int do_apply); extern ssize_t hexport_r(struct hsearch_data *__htab, const char __sep, char **__resp, size_t __size, int argc, char * const argv[]); +/* + * nvars: length of vars array + * vars: array of strings (variable names) to import (nvars == 0 means all) + * do_apply: whether to call callback function to check the new argument, + * and possibly apply changes (false means accept everything) + */ extern int himport_r(struct hsearch_data *__htab, const char *__env, size_t __size, const char __sep, - int __flag); + int __flag, int nvars, char * const vars[], int do_apply); /* Flags for himport_r() */ -#define H_NOCLEAR 1 /* do not clear hash table before importing */ +#define H_NOCLEAR (1 << 0) /* do not clear hash table before importing */ +#define H_FORCE (1 << 1) /* overwrite read-only/write-once variables */ #endif /* search.h */ |