diff options
| -rw-r--r-- | arch/arm/imx-common/cmd_bmode.c | 11 | ||||
| -rw-r--r-- | arch/avr32/lib/board.c | 4 | ||||
| -rw-r--r-- | arch/m68k/lib/board.c | 4 | ||||
| -rw-r--r-- | arch/mips/lib/board.c | 4 | ||||
| -rw-r--r-- | arch/nds32/lib/board.c | 4 | ||||
| -rw-r--r-- | arch/sparc/lib/board.c | 4 | ||||
| -rw-r--r-- | common/cmd_help.c | 8 | ||||
| -rw-r--r-- | common/command.c | 17 | ||||
| -rw-r--r-- | doc/README.commands | 10 | ||||
| -rw-r--r-- | include/command.h | 26 |
10 files changed, 50 insertions, 42 deletions
diff --git a/arch/arm/imx-common/cmd_bmode.c b/arch/arm/imx-common/cmd_bmode.c index 02fe72ed7f..ddc14b099e 100644 --- a/arch/arm/imx-common/cmd_bmode.c +++ b/arch/arm/imx-common/cmd_bmode.c @@ -24,6 +24,7 @@ #include <asm/io.h> #include <asm/imx-common/boot_mode.h> #include <malloc.h> +#include <command.h> static const struct boot_mode *modes[2]; @@ -103,9 +104,11 @@ void add_board_boot_modes(const struct boot_mode *p) int size; char *dest; - if (__u_boot_cmd_bmode.usage) { - free(__u_boot_cmd_bmode.usage); - __u_boot_cmd_bmode.usage = NULL; + cmd_tbl_t *entry = ll_entry_get(cmd_tbl_t, bmode, cmd); + + if (entry->usage) { + free(entry->usage); + entry->usage = NULL; } modes[0] = p; @@ -114,6 +117,6 @@ void add_board_boot_modes(const struct boot_mode *p) dest = malloc(size); if (dest) { create_usage(dest); - __u_boot_cmd_bmode.usage = dest; + entry->usage = dest; } } diff --git a/arch/avr32/lib/board.c b/arch/avr32/lib/board.c index 9d3b76e15a..e3287c486b 100644 --- a/arch/avr32/lib/board.c +++ b/arch/avr32/lib/board.c @@ -272,8 +272,8 @@ void board_init_r(gd_t *new_gd, ulong dest_addr) /* * We have to relocate the command table manually */ - fixup_cmdtable(&__u_boot_cmd_start, - (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), + ll_entry_count(cmd_tbl_t, cmd)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ /* there are some other pointer constants we must deal with */ diff --git a/arch/m68k/lib/board.c b/arch/m68k/lib/board.c index 92f935bd01..02d73fda61 100644 --- a/arch/m68k/lib/board.c +++ b/arch/m68k/lib/board.c @@ -416,8 +416,8 @@ void board_init_r (gd_t *id, ulong dest_addr) /* * We have to relocate the command table manually */ - fixup_cmdtable(&__u_boot_cmd_start, - (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), + ll_entry_count(cmd_tbl_t, cmd)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ /* there are some other pointer constants we must deal with */ diff --git a/arch/mips/lib/board.c b/arch/mips/lib/board.c index b14b33efcd..7ddd77832c 100644 --- a/arch/mips/lib/board.c +++ b/arch/mips/lib/board.c @@ -266,8 +266,8 @@ void board_init_r(gd_t *id, ulong dest_addr) /* * We have to relocate the command table manually */ - fixup_cmdtable(&__u_boot_cmd_start, - (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), + ll_entry_count(cmd_tbl_t, cmd)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ /* there are some other pointer constants we must deal with */ diff --git a/arch/nds32/lib/board.c b/arch/nds32/lib/board.c index 875f22013c..91395cabf3 100644 --- a/arch/nds32/lib/board.c +++ b/arch/nds32/lib/board.c @@ -320,8 +320,8 @@ void board_init_r(gd_t *id, ulong dest_addr) /* * We have to relocate the command table manually */ - fixup_cmdtable(&__u_boot_cmd_start, - (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), + ll_entry_count(cmd_tbl_t, cmd)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ serial_initialize(); diff --git a/arch/sparc/lib/board.c b/arch/sparc/lib/board.c index ff0e0f2fd0..32d025a342 100644 --- a/arch/sparc/lib/board.c +++ b/arch/sparc/lib/board.c @@ -246,8 +246,8 @@ void board_init_f(ulong bootflag) /* * We have to relocate the command table manually */ - fixup_cmdtable(&__u_boot_cmd_start, - (ulong)(&__u_boot_cmd_end - &__u_boot_cmd_start)); + fixup_cmdtable(ll_entry_start(cmd_tbl_t, cmd), + ll_entry_count(cmd_tbl_t, cmd)); #endif /* defined(CONFIG_NEEDS_MANUAL_RELOC) */ #if defined(CONFIG_CMD_AMBAPP) && defined(CONFIG_SYS_AMBAPP_PRINT_ON_STARTUP) diff --git a/common/cmd_help.c b/common/cmd_help.c index 8c8178e41d..3178a1aa42 100644 --- a/common/cmd_help.c +++ b/common/cmd_help.c @@ -26,9 +26,9 @@ int do_help(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[]) { - return _do_help(&__u_boot_cmd_start, - &__u_boot_cmd_end - &__u_boot_cmd_start, - cmdtp, flag, argc, argv); + cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd); + const int len = ll_entry_count(cmd_tbl_t, cmd); + return _do_help(start, len, cmdtp, flag, argc, argv); } U_BOOT_CMD( @@ -41,7 +41,7 @@ U_BOOT_CMD( ); /* This does not use the U_BOOT_CMD macro as ? can't be used in symbol names */ -cmd_tbl_t __u_boot_cmd_question_mark Struct_Section = { +ll_entry_declare(cmd_tbl_t, question_mark, cmd, cmd) = { "?", CONFIG_SYS_MAXARGS, 1, do_help, "alias for 'help'", #ifdef CONFIG_SYS_LONGHELP diff --git a/common/command.c b/common/command.c index aa0fb0a3d3..50c84292c1 100644 --- a/common/command.c +++ b/common/command.c @@ -137,8 +137,9 @@ cmd_tbl_t *find_cmd_tbl (const char *cmd, cmd_tbl_t *table, int table_len) cmd_tbl_t *find_cmd (const char *cmd) { - int len = &__u_boot_cmd_end - &__u_boot_cmd_start; - return find_cmd_tbl(cmd, &__u_boot_cmd_start, len); + cmd_tbl_t *start = ll_entry_start(cmd_tbl_t, cmd); + const int len = ll_entry_count(cmd_tbl_t, cmd); + return find_cmd_tbl(cmd, start, len); } int cmd_usage(const cmd_tbl_t *cmdtp) @@ -181,7 +182,9 @@ int var_complete(int argc, char * const argv[], char last_char, int maxv, char * static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv, char *cmdv[]) { - cmd_tbl_t *cmdtp; + cmd_tbl_t *cmdtp = ll_entry_start(cmd_tbl_t, cmd); + const int count = ll_entry_count(cmd_tbl_t, cmd); + const cmd_tbl_t *cmdend = cmdtp + count; const char *p; int len, clen; int n_found = 0; @@ -195,12 +198,12 @@ static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv if (argc == 0) { /* output full list of commands */ - for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + for (; cmdtp != cmdend; cmdtp++) { if (n_found >= maxv - 2) { - cmdv[n_found++] = "..."; + cmdv[n_found] = "..."; break; } - cmdv[n_found++] = cmdtp->name; + cmdv[n_found] = cmdtp->name; } cmdv[n_found] = NULL; return n_found; @@ -228,7 +231,7 @@ static int complete_cmdv(int argc, char * const argv[], char last_char, int maxv len = p - cmd; /* return the partial matches */ - for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { + for (; cmdtp != cmdend; cmdtp++) { clen = strlen(cmdtp->name); if (clen < len) diff --git a/doc/README.commands b/doc/README.commands index 125f077c08..923418b1a4 100644 --- a/doc/README.commands +++ b/doc/README.commands @@ -15,12 +15,12 @@ help: Long description. This is a string **** Behind the scene ****** -The structure created is named with a special prefix (__u_boot_cmd_) +The structure created is named with a special prefix (__u_boot_list_cmd_) and placed by the linker in a special section. This makes it possible for the final link to extract all commands compiled into any object code and construct a static array so the -command can be found in an array starting at __u_boot_cmd_start. +command can be found in an array starting at _u_boot_list_cmd__start. To ensure that the linker does not discard these symbols when linking full U-Boot we generate a list of all the commands we have built (based @@ -33,6 +33,6 @@ If a new board is defined do not forget to define the command section by writing in u-boot.lds ($(TOPDIR)/board/boardname/u-boot.lds) these 3 lines: - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; + .u_boot_list : { + #include "u-boot.lst"; + } diff --git a/include/command.h b/include/command.h index 1f06aa1819..24864d5cc7 100644 --- a/include/command.h +++ b/include/command.h @@ -28,6 +28,7 @@ #define __COMMAND_H #include <config.h> +#include <linker_lists.h> #ifndef NULL #define NULL 0 @@ -153,9 +154,6 @@ int cmd_process(int flag, int argc, char * const argv[], #define CMD_FLAG_REPEAT 0x0001 /* repeat last command */ #define CMD_FLAG_BOOTD 0x0002 /* command is from bootd */ -#define Struct_Section __attribute__((unused, section(".u_boot_cmd"), \ - aligned(4))) - #ifdef CONFIG_AUTO_COMPLETE # define _CMD_COMPLETE(x) x, #else @@ -167,18 +165,22 @@ int cmd_process(int flag, int argc, char * const argv[], # define _CMD_HELP(x) #endif -#define U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ - {#name, maxargs, rep, cmd, usage, _CMD_HELP(help) _CMD_COMPLETE(comp)} +#define U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, _comp) \ + { #_name, _maxargs, _rep, _cmd, _usage, \ + _CMD_HELP(_help) _CMD_COMPLETE(_comp) } -#define U_BOOT_CMD_MKENT(name,maxargs,rep,cmd,usage,help) \ - U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) +#define U_BOOT_CMD_MKENT(_name, _maxargs, _rep, _cmd, _usage, _help) \ + U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, NULL) -#define U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) \ - cmd_tbl_t __u_boot_cmd_##name Struct_Section = \ - U_BOOT_CMD_MKENT_COMPLETE(name,maxargs,rep,cmd,usage,help,comp) +#define U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, _comp) \ + ll_entry_declare(cmd_tbl_t, _name, cmd, cmd) = \ + U_BOOT_CMD_MKENT_COMPLETE(_name, _maxargs, _rep, _cmd, \ + _usage, _help, _comp); -#define U_BOOT_CMD(name,maxargs,rep,cmd,usage,help) \ - U_BOOT_CMD_COMPLETE(name,maxargs,rep,cmd,usage,help,NULL) +#define U_BOOT_CMD(_name, _maxargs, _rep, _cmd, _usage, _help) \ + U_BOOT_CMD_COMPLETE(_name, _maxargs, _rep, _cmd, _usage, _help, NULL) #if defined(CONFIG_NEEDS_MANUAL_RELOC) void fixup_cmdtable(cmd_tbl_t *cmdtp, int size); |