diff options
| author | Simon Glass <sjg@chromium.org> | 2013-02-14 17:38:30 +0000 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2013-02-14 20:19:03 -0800 |
| commit | 96dfc0633aabb4f8fb720d39d9deb29dde08749b (patch) | |
| tree | 9b58613378b468faa5dd1a7db1db7feba37730fd /arch/x86/lib/zimage.c | |
| parent | 588a13f742b6d63ac7d5631af11baa01f3a9e80f (diff) | |
x86: Remove unused real mode code
This code is pretty old and we want to support only 32-bit systems now.
Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Graeme Russ <graeme.russ@gmail.com>
Diffstat (limited to 'arch/x86/lib/zimage.c')
| -rw-r--r-- | arch/x86/lib/zimage.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/arch/x86/lib/zimage.c b/arch/x86/lib/zimage.c index 46af391f29..4e9e1f77e5 100644 --- a/arch/x86/lib/zimage.c +++ b/arch/x86/lib/zimage.c @@ -33,7 +33,6 @@ #include <asm/io.h> #include <asm/ptrace.h> #include <asm/zimage.h> -#include <asm/realmode.h> #include <asm/byteorder.h> #include <asm/bootparam.h> #ifdef CONFIG_SYS_COREBOOT @@ -175,16 +174,9 @@ struct boot_params *load_zimage(char *image, unsigned long kernel_size, else *load_address = (void *)ZIMAGE_LOAD_ADDR; -#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE) printf("Building boot_params at 0x%8.8lx\n", (ulong)setup_base); memset(setup_base, 0, sizeof(*setup_base)); setup_base->hdr = params->hdr; -#else - /* load setup */ - printf("Moving Real-Mode Code to 0x%8.8lx (%d bytes)\n", - (ulong)setup_base, setup_size); - memmove(setup_base, image, setup_size); -#endif if (bootproto >= 0x0204) kernel_size = hdr->syssize * 16; @@ -241,10 +233,8 @@ int setup_zimage(struct boot_params *setup_base, char *cmd_line, int auto_boot, struct setup_header *hdr = &setup_base->hdr; int bootproto = get_boot_protocol(hdr); -#if (defined CONFIG_ZBOOT_32 || defined CONFIG_X86_NO_REAL_MODE) setup_base->e820_entries = install_e820_map( ARRAY_SIZE(setup_base->e820_map), setup_base->e820_map); -#endif if (bootproto == 0x0100) { setup_base->screen_info.cl_magic = COMMAND_LINE_MAGIC; @@ -300,7 +290,6 @@ void boot_zimage(void *setup_base, void *load_address) #ifdef CONFIG_SYS_COREBOOT timestamp_add_now(TS_U_BOOT_START_KERNEL); #endif -#if defined CONFIG_ZBOOT_32 /* * Set %ebx, %ebp, and %edi to 0, %esi to point to the boot_params * structure, and then jump to the kernel. We assume that %cs is @@ -317,18 +306,6 @@ void boot_zimage(void *setup_base, void *load_address) "b"(0), "D"(0) : "%ebp" ); -#else - struct pt_regs regs; - - memset(®s, 0, sizeof(struct pt_regs)); - regs.xds = (u32)setup_base >> 4; - regs.xes = regs.xds; - regs.xss = regs.xds; - regs.esp = 0x9000; - regs.eflags = 0; - enter_realmode(((u32)setup_base + SETUP_START_OFFSET) >> 4, 0, - ®s, ®s); -#endif } void setup_pcat_compatibility(void) |