diff options
author | wdenk <wdenk> | 2003-07-24 23:38:38 +0000 |
---|---|---|
committer | wdenk <wdenk> | 2003-07-24 23:38:38 +0000 |
commit | 27b207fd0a0941b03f27e2a82c0468b1a090c745 (patch) | |
tree | 4d339d7a2a00889f09a876425ce430be57de56e9 /common | |
parent | 2535d60277cc295adf75cd5721dcecd840c69a63 (diff) |
* Implement new mechanism to export U-Boot's functions to standalone
applications: instead of using (PPC-specific) system calls we now
use a jump table; please see doc/README.standalone for details
* Patch by Dave Westwood, 24 Jul 2003:
added support for Unity OS (a proprietary OS)
Diffstat (limited to 'common')
-rw-r--r-- | common/Makefile | 2 | ||||
-rw-r--r-- | common/cmd_boot.c | 11 | ||||
-rw-r--r-- | common/cmd_bootm.c | 57 | ||||
-rw-r--r-- | common/cmd_load.c | 9 | ||||
-rw-r--r-- | common/cmd_log.c | 3 | ||||
-rw-r--r-- | common/cmd_mem.c | 39 | ||||
-rw-r--r-- | common/console.c | 26 | ||||
-rw-r--r-- | common/exports.c | 31 |
8 files changed, 143 insertions, 35 deletions
diff --git a/common/Makefile b/common/Makefile index 3aa9b65a90..d144bef1d4 100644 --- a/common/Makefile +++ b/common/Makefile @@ -42,7 +42,7 @@ COBJS = main.o altera.o bedbug.o \ cmd_reginfo.o cmd_scsi.o cmd_spi.o cmd_usb.o cmd_vfd.o \ command.o console.o devices.o dlmalloc.o docecc.o \ environment.o env_common.o \ - env_flash.o env_eeprom.o env_nvram.o env_nowhere.o \ + env_flash.o env_eeprom.o env_nvram.o env_nowhere.o exports.o \ flash.o fpga.o \ hush.o kgdb.o lists.o miiphybb.o miiphyutil.o \ s_record.o soft_i2c.o soft_spi.o spartan2.o \ diff --git a/common/cmd_boot.c b/common/cmd_boot.c index fe8025d3b4..b2f0331dc9 100644 --- a/common/cmd_boot.c +++ b/common/cmd_boot.c @@ -27,13 +27,15 @@ #include <common.h> #include <command.h> #include <net.h> -#include <syscall.h> /* -------------------------------------------------------------------- */ int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { +#if defined(CONFIG_I386) + DECLARE_GLOBAL_DATA_PTR; +#endif ulong addr, rc; int rcode = 0; @@ -50,6 +52,13 @@ int do_go (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) * pass address parameter as argv[0] (aka command name), * and all remaining args */ +#if defined(CONFIG_I386) + /* + * x86 does not use a dedicated register to pass the pointer + * to the global_data + */ + argv[0] = (char *)gd; +#endif rc = ((ulong (*)(int, char *[]))addr) (--argc, &argv[1]); if (rc != 0) rcode = 1; diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c index d1d03e3194..13436594f6 100644 --- a/common/cmd_bootm.c +++ b/common/cmd_bootm.c @@ -80,6 +80,13 @@ static void zfree(void *, void *, unsigned); #if (CONFIG_COMMANDS & CFG_CMD_IMI) static int image_info (unsigned long addr); #endif + +#if (CONFIG_COMMANDS & CFG_CMD_IMLS) +#include <flash.h> +extern flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */ +static int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); +#endif + static void print_type (image_header_t *hdr); #ifdef __I386__ @@ -961,6 +968,56 @@ U_BOOT_CMD( #endif /* CFG_CMD_IMI */ +#if (CONFIG_COMMANDS & CFG_CMD_IMLS) +/*----------------------------------------------------------------------- + * List all images found in flash. + */ +int do_imls (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + flash_info_t *info; + int i, j; + image_header_t *hdr; + ulong checksum; + + for (i=0, info=&flash_info[0]; i<CFG_MAX_FLASH_BANKS; ++i, ++info) { + if (info->flash_id == FLASH_UNKNOWN) + goto next_bank; + for (j=0; j<CFG_MAX_FLASH_SECT; ++j) { + + if (!(hdr=(image_header_t *)info->start[j]) || + (ntohl(hdr->ih_magic) != IH_MAGIC)) + goto next_sector; + + /* Copy header so we can blank CRC field for re-calculation */ + memmove (&header, (char *)hdr, sizeof(image_header_t)); + + checksum = ntohl(header.ih_hcrc); + header.ih_hcrc = 0; + + if (crc32 (0, (char *)&header, sizeof(image_header_t)) + != checksum) + goto next_sector; + + printf ("Image at %08lX:\n", (ulong)hdr); + print_image_hdr( hdr ); + putc ('\n'); + next_sector: + } + next_bank: + } + + return (0); +} + +U_BOOT_CMD( + imls, 1, 1, do_imls, + "imls - list all images found in flash\n", + "\n" + " - Prints information about all images found at sector\n" + " boundaries in flash.\n" +); +#endif /* CFG_CMD_IMLS */ + void print_image_hdr (image_header_t *hdr) { diff --git a/common/cmd_load.c b/common/cmd_load.c index 0ea8c4b4e4..5622452ccb 100644 --- a/common/cmd_load.c +++ b/common/cmd_load.c @@ -28,7 +28,7 @@ #include <command.h> #include <s_record.h> #include <net.h> -#include <syscall.h> +#include <exports.h> #if (CONFIG_COMMANDS & CFG_CMD_LOADS) @@ -213,6 +213,7 @@ load_serial (ulong offset) static int read_record (char *buf, ulong len) { + DECLARE_GLOBAL_DATA_PTR; char *p; char c; @@ -236,13 +237,11 @@ read_record (char *buf, ulong len) } /* Check for the console hangup (if any different from serial) */ -#ifdef CONFIG_PPC /* we don't have syscall_tbl anywhere else */ - if (syscall_tbl[SYSCALL_GETC] != serial_getc) { + if (gd->jt[XF_getc] != serial_getc) { if (ctrlc()) { return (-1); } } -#endif } /* line too long - truncate */ @@ -479,7 +478,7 @@ int do_load_serial_bin (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) printf ("## Ready for binary (kermit) download " "to 0x%08lX at %d bps...\n", offset, - current_baudrate); + load_baudrate); addr = load_serial_bin (offset); if (addr == ~0) { diff --git a/common/cmd_log.c b/common/cmd_log.c index 8780da5e29..57ef48461a 100644 --- a/common/cmd_log.c +++ b/common/cmd_log.c @@ -86,8 +86,7 @@ void logbuff_init_ptrs (void) post_word = post_word_load(); #ifdef CONFIG_POST /* The post routines have setup the word so we can simply test it */ - if (((post_word & 0xffff) == POST_POWERON) || - ((post_word & 0xffff) == POST_SLOWTEST)) { + if (post_word_load () & POST_COLDBOOT) { logged_chars = log_size = log_start = 0; *ext_tag = LOGBUFF_MAGIC; } diff --git a/common/cmd_mem.c b/common/cmd_mem.c index 7e6c19eb80..3e225988bb 100644 --- a/common/cmd_mem.c +++ b/common/cmd_mem.c @@ -53,6 +53,8 @@ int cmd_get_data_size(char* arg, int default_size) return 2; case 'l': return 4; + default: + return -1; } } return default_size; @@ -86,9 +88,10 @@ static ulong base_address = 0; #define DISP_LINE_LEN 16 int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong addr, size, length; + ulong addr, length; ulong i, nbytes, linebytes; u_char *cp; + int size; int rc = 0; /* We use the last specified parameters, unless new ones are @@ -107,7 +110,8 @@ int do_mem_md ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* New command specified. Check for a size specification. * Defaults to long if no or incorrect specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 0) + return 1; /* Address is specified since argc > 1 */ @@ -199,7 +203,8 @@ int do_mem_nm ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong addr, size, writeval, count; + ulong addr, writeval, count; + int size; if ((argc < 3) || (argc > 4)) { printf ("Usage:\n%s\n", cmdtp->usage); @@ -208,7 +213,8 @@ int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* Check for size specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 1) + return 1; /* Address is specified since argc > 1 */ @@ -240,7 +246,8 @@ int do_mem_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong size, addr1, addr2, count, ngood; + ulong addr1, addr2, count, ngood; + int size; int rcode = 0; if (argc != 4) { @@ -250,7 +257,8 @@ int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* Check for size specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 0) + return 1; addr1 = simple_strtoul(argv[1], NULL, 16); addr1 += base_address; @@ -316,7 +324,8 @@ int do_mem_cmp (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong addr, size, dest, count; + ulong addr, dest, count; + int size; if (argc != 4) { printf ("Usage:\n%s\n", cmdtp->usage); @@ -325,7 +334,8 @@ int do_mem_cp ( cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* Check for size specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 0) + return 1; addr = simple_strtoul(argv[1], NULL, 16); addr += base_address; @@ -458,7 +468,8 @@ int do_mem_base (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) int do_mem_loop (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { - ulong addr, size, length, i, junk; + ulong addr, length, i, junk; + int size; volatile uint *longp; volatile ushort *shortp; volatile u_char *cp; @@ -471,7 +482,8 @@ int do_mem_loop (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) /* Check for a size spefication. * Defaults to long if no or incorrect specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 0) + return 1; /* Address is always specified. */ @@ -839,8 +851,8 @@ int do_mem_mtest (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) static int mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) { - ulong addr, size, i; - int nbytes; + ulong addr, i; + int nbytes, size; extern char console_buffer[]; if (argc != 2) { @@ -861,7 +873,8 @@ mod_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char *argv[]) /* New command specified. Check for a size specification. * Defaults to long if no or incorrect specification. */ - size = cmd_get_data_size(argv[0], 4); + if ((size = cmd_get_data_size(argv[0], 4)) < 0) + return 1; /* Address is specified since argc > 1 */ diff --git a/common/console.c b/common/console.c index 8c94aa7656..148c59981d 100644 --- a/common/console.c +++ b/common/console.c @@ -25,9 +25,7 @@ #include <stdarg.h> #include <malloc.h> #include <console.h> -#include <syscall.h> - -void **syscall_tbl; +#include <exports.h> #ifdef CONFIG_AMIGAONEG3SE int console_changed = 0; @@ -52,6 +50,7 @@ int overwrite_console (void) static int console_setfile (int file, device_t * dev) { + DECLARE_GLOBAL_DATA_PTR; int error = 0; if (dev == NULL) @@ -78,13 +77,13 @@ static int console_setfile (int file, device_t * dev) */ switch (file) { case stdin: - syscall_tbl[SYSCALL_GETC] = dev->getc; - syscall_tbl[SYSCALL_TSTC] = dev->tstc; + gd->jt[XF_getc] = dev->getc; + gd->jt[XF_tstc] = dev->tstc; break; case stdout: - syscall_tbl[SYSCALL_PUTC] = dev->putc; - syscall_tbl[SYSCALL_PUTS] = dev->puts; - syscall_tbl[SYSCALL_PRINTF] = printf; + gd->jt[XF_putc] = dev->putc; + gd->jt[XF_puts] = dev->puts; + gd->jt[XF_printf] = printf; break; } break; @@ -394,15 +393,16 @@ device_t *search_device (int flags, char *name) /* Called after the relocation - use desired console functions */ int console_init_r (void) { + DECLARE_GLOBAL_DATA_PTR; char *stdinname, *stdoutname, *stderrname; device_t *inputdev = NULL, *outputdev = NULL, *errdev = NULL; /* set default handlers at first */ - syscall_tbl[SYSCALL_GETC] = serial_getc; - syscall_tbl[SYSCALL_TSTC] = serial_tstc; - syscall_tbl[SYSCALL_PUTC] = serial_putc; - syscall_tbl[SYSCALL_PUTS] = serial_puts; - syscall_tbl[SYSCALL_PRINTF] = serial_printf; + gd->jt[XF_getc] = serial_getc; + gd->jt[XF_tstc] = serial_tstc; + gd->jt[XF_putc] = serial_putc; + gd->jt[XF_puts] = serial_puts; + gd->jt[XF_printf] = serial_printf; /* stdin stdout and stderr are in environment */ /* scan for it */ diff --git a/common/exports.c b/common/exports.c new file mode 100644 index 0000000000..22002ccb38 --- /dev/null +++ b/common/exports.c @@ -0,0 +1,31 @@ +#include <common.h> +#include <exports.h> + +static void dummy(void) +{ +} + +unsigned long get_version(void) +{ + return XF_VERSION; +} + +void jumptable_init (void) +{ + DECLARE_GLOBAL_DATA_PTR; + int i; + + gd->jt = (void **) malloc (XF_MAX * sizeof (void *)); + for (i = 0; i < XF_MAX; i++) + gd->jt[i] = (void *) dummy; + + gd->jt[XF_get_version] = (void *) get_version; + gd->jt[XF_malloc] = (void *) malloc; + gd->jt[XF_free] = (void *) free; + gd->jt[XF_get_timer] = (void *)get_timer; + gd->jt[XF_udelay] = (void *)udelay; +#if defined(CONFIG_I386) || defined(CONFIG_PPC) + gd->jt[XF_install_hdlr] = (void *) irq_install_handler; + gd->jt[XF_free_hdlr] = (void *) irq_free_handler; +#endif +} |