Create more generic names for the symbols exported from the linker script
Signed-off-by: Graeme Russ graeme.russ@gmail.com --- arch/i386/lib/bios_setup.c | 14 +++++++------- arch/i386/lib/board.c | 20 ++++++++++---------- arch/i386/lib/realmode.c | 14 +++++++------- board/eNET/u-boot.lds | 21 +++++++++------------ 4 files changed, 33 insertions(+), 36 deletions(-)
diff --git a/arch/i386/lib/bios_setup.c b/arch/i386/lib/bios_setup.c index a92b77e..75407c1 100644 --- a/arch/i386/lib/bios_setup.c +++ b/arch/i386/lib/bios_setup.c @@ -45,8 +45,8 @@ DECLARE_GLOBAL_DATA_PTR; #define BIOS_BASE ((char*)0xf0000) #define BIOS_CS 0xf000
-extern ulong _i386boot_bios; -extern ulong _i386boot_bios_size; +extern ulong __bios_start; +extern ulong __bios_size;
/* these are defined in a 16bit segment and needs * to be accessed with the RELOC_16_xxxx() macros below @@ -141,8 +141,8 @@ static void setvector(int vector, u16 segment, void *handler)
int bios_setup(void) { - ulong i386boot_bios = (ulong)&_i386boot_bios + gd->reloc_off; - ulong i386boot_bios_size = (ulong)&_i386boot_bios_size; + ulong bios_start = (ulong)&__bios_start + gd->reloc_off; + ulong bios_size = (ulong)&__bios_size;
static int done=0; int vector; @@ -154,13 +154,13 @@ int bios_setup(void) } done = 1;
- if (i386boot_bios_size > 65536) { + if (bios_size > 65536) { printf("BIOS too large (%ld bytes, max is 65536)\n", - i386boot_bios_size); + bios_size); return -1; }
- memcpy(BIOS_BASE, (void*)i386boot_bios, i386boot_bios_size); + memcpy(BIOS_BASE, (void*)bios_start, bios_size);
/* clear bda */ memset(BIOS_DATA, 0, BIOS_DATA_SIZE); diff --git a/arch/i386/lib/board.c b/arch/i386/lib/board.c index 00976a5..e7a363d 100644 --- a/arch/i386/lib/board.c +++ b/arch/i386/lib/board.c @@ -48,11 +48,11 @@ DECLARE_GLOBAL_DATA_PTR;
/* Exports from the Linker Script */ -extern ulong _i386boot_text_start; -extern ulong _i386boot_rel_dyn_start; -extern ulong _i386boot_rel_dyn_end; -extern ulong _i386boot_bss_start; -extern ulong _i386boot_bss_size; +extern ulong __text_start; +extern ulong __rel_dyn_start; +extern ulong __rel_dyn_end; +extern ulong __bss_start; +extern ulong __bss_size;
const char version_string[] = U_BOOT_VERSION" (" U_BOOT_DATE " - " U_BOOT_TIME ")"; @@ -169,12 +169,12 @@ gd_t *gd; */ void board_init_f (ulong gdp) { - void *text_start = &_i386boot_text_start; + void *text_start = &__text_start; void *u_boot_cmd_end = &__u_boot_cmd_end; - Elf32_Rel *rel_dyn_start = (Elf32_Rel *)&_i386boot_rel_dyn_start; - Elf32_Rel *rel_dyn_end = (Elf32_Rel *)&_i386boot_rel_dyn_end; - void *bss_start = &_i386boot_bss_start; - ulong bss_size = (ulong)&_i386boot_bss_size; + Elf32_Rel *rel_dyn_start = (Elf32_Rel *)&__rel_dyn_start; + Elf32_Rel *rel_dyn_end = (Elf32_Rel *)&__rel_dyn_end; + void *bss_start = &__bss_start; + ulong bss_size = (ulong)&__bss_size;
ulong uboot_size; void *dest_addr; diff --git a/arch/i386/lib/realmode.c b/arch/i386/lib/realmode.c index b3f5123..60fe181 100644 --- a/arch/i386/lib/realmode.c +++ b/arch/i386/lib/realmode.c @@ -31,23 +31,23 @@ #define REALMODE_MAILBOX ((char*)0xe00)
-extern ulong _i386boot_realmode; -extern ulong _i386boot_realmode_size; +extern ulong __realmode_start; +extern ulong __realmode_size; extern char realmode_enter;
int realmode_setup(void) { - ulong i386boot_realmode = (ulong)&_i386boot_realmode + gd->reloc_off; - ulong i386boot_realmode_size = (ulong)&_i386boot_realmode_size; + ulong realmode_start = (ulong)&__realmode_start + gd->reloc_off; + ulong realmode_size = (ulong)&__realmode_size;
/* copy the realmode switch code */ - if (i386boot_realmode_size > (REALMODE_MAILBOX-REALMODE_BASE)) { + if (realmode_size > (REALMODE_MAILBOX-REALMODE_BASE)) { printf("realmode switch too large (%ld bytes, max is %d)\n", - i386boot_realmode_size, (REALMODE_MAILBOX-REALMODE_BASE)); + realmode_size, (REALMODE_MAILBOX-REALMODE_BASE)); return -1; }
- memcpy(REALMODE_BASE, (void*)i386boot_realmode, i386boot_realmode_size); + memcpy(REALMODE_BASE, (void*)realmode_start, realmode_size); asm("wbinvd\n");
return 0; diff --git a/board/eNET/u-boot.lds b/board/eNET/u-boot.lds index 7b211a8..ef5d941 100644 --- a/board/eNET/u-boot.lds +++ b/board/eNET/u-boot.lds @@ -28,13 +28,12 @@ ENTRY(_start) SECTIONS { . = TEXT_BASE; /* Location of bootcode in flash */ - _i386boot_text_start = .; + __text_start = .; .text : { *(.text); }
. = ALIGN(4); .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) }
- _i386boot_text_size = SIZEOF(.text) + SIZEOF(.rodata); . = ALIGN(4);
.data : { *(.data) } @@ -65,28 +64,27 @@ SECTIONS .u_boot_cmd : { *(.u_boot_cmd) } . = ALIGN(4); __u_boot_cmd_end = .; - _i386boot_cmd_start = LOADADDR(.u_boot_cmd);
- _i386boot_rel_dyn_start = .; + __rel_dyn_start = .; .rel.dyn : { *(.rel.dyn) } - _i386boot_rel_dyn_end = .; + __rel_dyn_end = .;
. = ALIGN(4); - _i386boot_bss_start = ABSOLUTE(.); + __bss_start = ABSOLUTE(.); .bss (NOLOAD) : { *(.bss) } - _i386boot_bss_size = SIZEOF(.bss); + __bss_size = SIZEOF(.bss);
/* 16bit realmode trampoline code */ .realmode 0x7c0 : AT ( LOADADDR(.rel.dyn) + SIZEOF(.rel.dyn) ) { KEEP(*(.realmode)) }
- _i386boot_realmode = LOADADDR(.realmode); - _i386boot_realmode_size = SIZEOF(.realmode); + __realmode_start = LOADADDR(.realmode); + __realmode_size = SIZEOF(.realmode);
/* 16bit BIOS emulation code (just enough to boot Linux) */ .bios 0 : AT ( LOADADDR(.realmode) + SIZEOF(.realmode) ) { KEEP(*(.bios)) }
- _i386boot_bios = LOADADDR(.bios); - _i386boot_bios_size = SIZEOF(.bios); + __bios_start = LOADADDR(.bios); + __bios_size = SIZEOF(.bios);
/* The load addresses below assumes that the flash * will be mapped so that 0x387f0000 == 0xffff0000 @@ -105,5 +103,4 @@ SECTIONS
. = 0xfff0; .resetvec : AT (TEXT_BASE + 0x3fff0) { KEEP(*(.resetvec)); } - _i386boot_end = (LOADADDR(.resetvec) + SIZEOF(.resetvec) ); }