Commit 30c82645 authored by H. Peter Anvin's avatar H. Peter Anvin

[x86] remove uses of magic macros for boot_params access

Instead of using magic macros for boot_params access, simply use the
boot_params structure.
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
parent 2b0460b5
...@@ -39,6 +39,7 @@ setup-y += printf.o string.o tty.o video.o version.o voyager.o ...@@ -39,6 +39,7 @@ setup-y += printf.o string.o tty.o video.o version.o voyager.o
setup-y += video-vga.o setup-y += video-vga.o
setup-y += video-vesa.o setup-y += video-vesa.o
setup-y += video-bios.o setup-y += video-bios.o
targets += $(setup-y) targets += $(setup-y)
hostprogs-y := tools/build hostprogs-y := tools/build
......
...@@ -24,7 +24,7 @@ ...@@ -24,7 +24,7 @@
#include <asm/page.h> #include <asm/page.h>
#include <asm/e820.h> #include <asm/e820.h>
#include <asm/proto.h> #include <asm/proto.h>
#include <asm/bootsetup.h> #include <asm/setup.h>
#include <asm/sections.h> #include <asm/sections.h>
struct e820map e820; struct e820map e820;
...@@ -68,10 +68,15 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size) ...@@ -68,10 +68,15 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size)
/* initrd */ /* initrd */
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
if (LOADER_TYPE && INITRD_START && last >= INITRD_START && if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
addr < INITRD_START+INITRD_SIZE) { unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
*addrp = PAGE_ALIGN(INITRD_START + INITRD_SIZE); unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
return 1; unsigned long ramdisk_end = ramdisk_image+ramdisk_size;
if (last >= ramdisk_image && addr < ramdisk_end) {
*addrp = PAGE_ALIGN(ramdisk_end);
return 1;
}
} }
#endif #endif
/* kernel code */ /* kernel code */
...@@ -594,8 +599,8 @@ void __init setup_memory_region(void) ...@@ -594,8 +599,8 @@ void __init setup_memory_region(void)
* Otherwise fake a memory map; one section from 0k->640k, * Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k * the next section from 1mb->appropriate_mem_k
*/ */
sanitize_e820_map(E820_MAP, &E820_MAP_NR); sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0)
early_panic("Cannot find a valid memory map"); early_panic("Cannot find a valid memory map");
printk(KERN_INFO "BIOS-provided physical RAM map:\n"); printk(KERN_INFO "BIOS-provided physical RAM map:\n");
e820_print_map("BIOS-e820"); e820_print_map("BIOS-e820");
......
...@@ -6,15 +6,10 @@ ...@@ -6,15 +6,10 @@
#include <asm/io.h> #include <asm/io.h>
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/fcntl.h> #include <asm/fcntl.h>
#include <asm/setup.h>
#include <xen/hvc-console.h> #include <xen/hvc-console.h>
/* Simple VGA output */ /* Simple VGA output */
#ifdef __i386__
#include <asm/setup.h>
#else
#include <asm/bootsetup.h>
#endif
#define VGABASE (__ISA_IO_base + 0xb8000) #define VGABASE (__ISA_IO_base + 0xb8000)
static int max_ypos = 25, max_xpos = 80; static int max_ypos = 25, max_xpos = 80;
...@@ -234,10 +229,10 @@ static int __init setup_early_printk(char *buf) ...@@ -234,10 +229,10 @@ static int __init setup_early_printk(char *buf)
early_serial_init(buf); early_serial_init(buf);
early_console = &early_serial_console; early_console = &early_serial_console;
} else if (!strncmp(buf, "vga", 3) } else if (!strncmp(buf, "vga", 3)
&& SCREEN_INFO.orig_video_isVGA == 1) { && boot_params.screen_info.orig_video_isVGA == 1) {
max_xpos = SCREEN_INFO.orig_video_cols; max_xpos = boot_params.screen_info.orig_video_cols;
max_ypos = SCREEN_INFO.orig_video_lines; max_ypos = boot_params.screen_info.orig_video_lines;
current_ypos = SCREEN_INFO.orig_y; current_ypos = boot_params.screen_info.orig_y;
early_console = &early_vga_console; early_console = &early_vga_console;
} else if (!strncmp(buf, "simnow", 6)) { } else if (!strncmp(buf, "simnow", 6)) {
simnow_init(buf + 6); simnow_init(buf + 6);
......
...@@ -331,11 +331,13 @@ void __init efi_init(void) ...@@ -331,11 +331,13 @@ void __init efi_init(void)
memset(&efi, 0, sizeof(efi) ); memset(&efi, 0, sizeof(efi) );
memset(&efi_phys, 0, sizeof(efi_phys)); memset(&efi_phys, 0, sizeof(efi_phys));
efi_phys.systab = EFI_SYSTAB; efi_phys.systab =
memmap.phys_map = EFI_MEMMAP; (efi_system_table_t *)boot_params.efi_info.efi_systab;
memmap.nr_map = EFI_MEMMAP_SIZE/EFI_MEMDESC_SIZE; memmap.phys_map = (void *)boot_params.efi_info.efi_memmap;
memmap.desc_version = EFI_MEMDESC_VERSION; memmap.nr_map = boot_params.efi_info.efi_memmap_size/
memmap.desc_size = EFI_MEMDESC_SIZE; boot_params.efi_info.efi_memdesc_size;
memmap.desc_version = boot_params.efi_info.efi_memdesc_version;
memmap.desc_size = boot_params.efi_info.efi_memdesc_size;
efi.systab = (efi_system_table_t *) efi.systab = (efi_system_table_t *)
boot_ioremap((unsigned long) efi_phys.systab, boot_ioremap((unsigned long) efi_phys.systab,
...@@ -446,7 +448,8 @@ void __init efi_init(void) ...@@ -446,7 +448,8 @@ void __init efi_init(void)
printk(KERN_ERR PFX "Could not map the runtime service table!\n"); printk(KERN_ERR PFX "Could not map the runtime service table!\n");
/* Map the EFI memory map for use until paging_init() */ /* Map the EFI memory map for use until paging_init() */
memmap.map = boot_ioremap((unsigned long) EFI_MEMMAP, EFI_MEMMAP_SIZE); memmap.map = boot_ioremap(boot_params.efi_info.efi_memmap,
boot_params.efi_info.efi_memmap_size);
if (memmap.map == NULL) if (memmap.map == NULL)
printk(KERN_ERR PFX "Could not map the EFI memory map!\n"); printk(KERN_ERR PFX "Could not map the EFI memory map!\n");
......
...@@ -14,7 +14,6 @@ ...@@ -14,7 +14,6 @@
#include <asm/processor.h> #include <asm/processor.h>
#include <asm/proto.h> #include <asm/proto.h>
#include <asm/smp.h> #include <asm/smp.h>
#include <asm/bootsetup.h>
#include <asm/setup.h> #include <asm/setup.h>
#include <asm/desc.h> #include <asm/desc.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
...@@ -36,26 +35,15 @@ static void __init clear_bss(void) ...@@ -36,26 +35,15 @@ static void __init clear_bss(void)
(unsigned long) __bss_stop - (unsigned long) __bss_start); (unsigned long) __bss_stop - (unsigned long) __bss_start);
} }
#define NEW_CL_POINTER 0x228 /* Relative to real mode data */
#define OLD_CL_MAGIC_ADDR 0x20
#define OLD_CL_MAGIC 0xA33F
#define OLD_CL_OFFSET 0x22
static void __init copy_bootdata(char *real_mode_data) static void __init copy_bootdata(char *real_mode_data)
{ {
unsigned long new_data;
char * command_line; char * command_line;
memcpy(x86_boot_params, real_mode_data, BOOT_PARAM_SIZE); memcpy(&boot_params, real_mode_data, sizeof boot_params);
new_data = *(u32 *) (x86_boot_params + NEW_CL_POINTER); if (boot_params.hdr.cmd_line_ptr) {
if (!new_data) { command_line = __va(boot_params.hdr.cmd_line_ptr);
if (OLD_CL_MAGIC != *(u16 *)(real_mode_data + OLD_CL_MAGIC_ADDR)) { memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
return;
}
new_data = __pa(real_mode_data) + *(u16 *)(real_mode_data + OLD_CL_OFFSET);
} }
command_line = __va(new_data);
memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
} }
void __init x86_64_start_kernel(char * real_mode_data) void __init x86_64_start_kernel(char * real_mode_data)
......
...@@ -11,7 +11,6 @@ ...@@ -11,7 +11,6 @@
#include <linux/bootmem.h> #include <linux/bootmem.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/module.h> #include <linux/module.h>
#include <asm/bootsetup.h>
#include <asm/pda.h> #include <asm/pda.h>
#include <asm/pgtable.h> #include <asm/pgtable.h>
#include <asm/processor.h> #include <asm/processor.h>
...@@ -23,8 +22,9 @@ ...@@ -23,8 +22,9 @@
#include <asm/percpu.h> #include <asm/percpu.h>
#include <asm/proto.h> #include <asm/proto.h>
#include <asm/sections.h> #include <asm/sections.h>
#include <asm/setup.h>
char x86_boot_params[BOOT_PARAM_SIZE] __initdata; struct boot_params __initdata boot_params;
cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE; cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
......
...@@ -137,10 +137,11 @@ EXPORT_SYMBOL(edd); ...@@ -137,10 +137,11 @@ EXPORT_SYMBOL(edd);
*/ */
static inline void copy_edd(void) static inline void copy_edd(void)
{ {
memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature)); memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info)); sizeof(edd.mbr_signature));
edd.mbr_signature_nr = EDD_MBR_SIG_NR; memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
edd.edd_info_nr = EDD_NR; edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
edd.edd_info_nr = boot_params.eddbuf_entries;
} }
#else #else
static inline void copy_edd(void) static inline void copy_edd(void)
...@@ -434,17 +435,20 @@ void __init setup_bootmem_allocator(void) ...@@ -434,17 +435,20 @@ void __init setup_bootmem_allocator(void)
#endif #endif
numa_kva_reserve(); numa_kva_reserve();
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
if (LOADER_TYPE && INITRD_START) { if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) { unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
reserve_bootmem(INITRD_START, INITRD_SIZE); unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
initrd_start = INITRD_START + PAGE_OFFSET; unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
initrd_end = initrd_start+INITRD_SIZE; unsigned long end_of_lowmem = max_low_pfn << PAGE_SHIFT;
}
else { if (ramdisk_end <= end_of_lowmem) {
reserve_bootmem(ramdisk_image, ramdisk_size);
initrd_start = ramdisk_image + PAGE_OFFSET;
initrd_end = initrd_start+ramdisk_size;
} else {
printk(KERN_ERR "initrd extends beyond end of memory " printk(KERN_ERR "initrd extends beyond end of memory "
"(0x%08lx > 0x%08lx)\ndisabling initrd\n", "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
INITRD_START + INITRD_SIZE, ramdisk_end, end_of_lowmem);
max_low_pfn << PAGE_SHIFT);
initrd_start = 0; initrd_start = 0;
} }
} }
...@@ -512,28 +516,29 @@ void __init setup_arch(char **cmdline_p) ...@@ -512,28 +516,29 @@ void __init setup_arch(char **cmdline_p)
* the system table is valid. If not, then initialize normally. * the system table is valid. If not, then initialize normally.
*/ */
#ifdef CONFIG_EFI #ifdef CONFIG_EFI
if ((LOADER_TYPE == 0x50) && EFI_SYSTAB) if ((boot_params.hdr.type_of_loader == 0x50) &&
boot_params.efi_info.efi_systab)
efi_enabled = 1; efi_enabled = 1;
#endif #endif
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
screen_info = SCREEN_INFO; screen_info = boot_params.screen_info;
edid_info = EDID_INFO; edid_info = boot_params.edid_info;
apm_info.bios = APM_BIOS_INFO; apm_info.bios = boot_params.apm_bios_info;
ist_info = IST_INFO; ist_info = boot_params.ist_info;
saved_videomode = VIDEO_MODE; saved_videomode = boot_params.hdr.vid_mode;
if( SYS_DESC_TABLE.length != 0 ) { if( boot_params.sys_desc_table.length != 0 ) {
set_mca_bus(SYS_DESC_TABLE.table[3] & 0x2); set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
machine_id = SYS_DESC_TABLE.table[0]; machine_id = boot_params.sys_desc_table.table[0];
machine_submodel_id = SYS_DESC_TABLE.table[1]; machine_submodel_id = boot_params.sys_desc_table.table[1];
BIOS_revision = SYS_DESC_TABLE.table[2]; BIOS_revision = boot_params.sys_desc_table.table[2];
} }
bootloader_type = LOADER_TYPE; bootloader_type = boot_params.hdr.type_of_loader;
#ifdef CONFIG_BLK_DEV_RAM #ifdef CONFIG_BLK_DEV_RAM
rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK; rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0); rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0); rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
#endif #endif
ARCH_SETUP ARCH_SETUP
if (efi_enabled) if (efi_enabled)
...@@ -545,7 +550,7 @@ void __init setup_arch(char **cmdline_p) ...@@ -545,7 +550,7 @@ void __init setup_arch(char **cmdline_p)
copy_edd(); copy_edd();
if (!MOUNT_ROOT_RDONLY) if (!boot_params.hdr.root_flags)
root_mountflags &= ~MS_RDONLY; root_mountflags &= ~MS_RDONLY;
init_mm.start_code = (unsigned long) _text; init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext; init_mm.end_code = (unsigned long) _etext;
......
...@@ -52,7 +52,6 @@ ...@@ -52,7 +52,6 @@
#include <asm/dma.h> #include <asm/dma.h>
#include <asm/mpspec.h> #include <asm/mpspec.h>
#include <asm/mmu_context.h> #include <asm/mmu_context.h>
#include <asm/bootsetup.h>
#include <asm/proto.h> #include <asm/proto.h>
#include <asm/setup.h> #include <asm/setup.h>
#include <asm/mach_apic.h> #include <asm/mach_apic.h>
...@@ -180,10 +179,11 @@ EXPORT_SYMBOL(edd); ...@@ -180,10 +179,11 @@ EXPORT_SYMBOL(edd);
*/ */
static inline void copy_edd(void) static inline void copy_edd(void)
{ {
memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature)); memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info)); sizeof(edd.mbr_signature));
edd.mbr_signature_nr = EDD_MBR_SIG_NR; memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
edd.edd_info_nr = EDD_NR; edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
edd.edd_info_nr = boot_params.eddbuf_entries;
} }
#else #else
static inline void copy_edd(void) static inline void copy_edd(void)
...@@ -220,21 +220,21 @@ void __init setup_arch(char **cmdline_p) ...@@ -220,21 +220,21 @@ void __init setup_arch(char **cmdline_p)
{ {
printk(KERN_INFO "Command line: %s\n", boot_command_line); printk(KERN_INFO "Command line: %s\n", boot_command_line);
ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV); ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
screen_info = SCREEN_INFO; screen_info = boot_params.screen_info;
edid_info = EDID_INFO; edid_info = boot_params.edid_info;
saved_video_mode = SAVED_VIDEO_MODE; saved_video_mode = boot_params.hdr.vid_mode;
bootloader_type = LOADER_TYPE; bootloader_type = boot_params.hdr.type_of_loader;
#ifdef CONFIG_BLK_DEV_RAM #ifdef CONFIG_BLK_DEV_RAM
rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK; rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0); rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0); rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
#endif #endif
setup_memory_region(); setup_memory_region();
copy_edd(); copy_edd();
if (!MOUNT_ROOT_RDONLY) if (!boot_params.hdr.root_flags)
root_mountflags &= ~MS_RDONLY; root_mountflags &= ~MS_RDONLY;
init_mm.start_code = (unsigned long) &_text; init_mm.start_code = (unsigned long) &_text;
init_mm.end_code = (unsigned long) &_etext; init_mm.end_code = (unsigned long) &_etext;
...@@ -339,17 +339,20 @@ void __init setup_arch(char **cmdline_p) ...@@ -339,17 +339,20 @@ void __init setup_arch(char **cmdline_p)
*/ */
find_smp_config(); find_smp_config();
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
if (LOADER_TYPE && INITRD_START) { if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
if (INITRD_START + INITRD_SIZE <= (end_pfn << PAGE_SHIFT)) { unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
reserve_bootmem_generic(INITRD_START, INITRD_SIZE); unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
initrd_start = INITRD_START + PAGE_OFFSET; unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
initrd_end = initrd_start+INITRD_SIZE; unsigned long end_of_mem = end_pfn << PAGE_SHIFT;
}
else { if (ramdisk_end <= end_of_mem) {
reserve_bootmem_generic(ramdisk_image, ramdisk_size);
initrd_start = ramdisk_image + PAGE_OFFSET;
initrd_end = initrd_start+ramdisk_size;
} else {
printk(KERN_ERR "initrd extends beyond end of memory " printk(KERN_ERR "initrd extends beyond end of memory "
"(0x%08lx > 0x%08lx)\ndisabling initrd\n", "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
(unsigned long)(INITRD_START + INITRD_SIZE), ramdisk_end, end_of_mem);
(unsigned long)(end_pfn << PAGE_SHIFT));
initrd_start = 0; initrd_start = 0;
} }
} }
......
...@@ -159,16 +159,18 @@ char * __init machine_specific_memory_setup(void) ...@@ -159,16 +159,18 @@ char * __init machine_specific_memory_setup(void)
* Otherwise fake a memory map; one section from 0k->640k, * Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k * the next section from 1mb->appropriate_mem_k
*/ */
sanitize_e820_map(E820_MAP, &E820_MAP_NR); sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
< 0) {
unsigned long mem_size; unsigned long mem_size;
/* compare results from other methods and take the greater */ /* compare results from other methods and take the greater */
if (ALT_MEM_K < EXT_MEM_K) { if (boot_params.alt_mem_k
mem_size = EXT_MEM_K; < boot_params.screen_info.ext_mem_k) {
mem_size = boot_params.screen_info.ext_mem_k;
who = "BIOS-88"; who = "BIOS-88";
} else { } else {
mem_size = ALT_MEM_K; mem_size = boot_params.alt_mem_k;
who = "BIOS-e801"; who = "BIOS-e801";
} }
......
...@@ -152,7 +152,7 @@ char * __init machine_specific_memory_setup(void) ...@@ -152,7 +152,7 @@ char * __init machine_specific_memory_setup(void)
{ {
long long gfx_mem_size = 8 * MB; long long gfx_mem_size = 8 * MB;
mem_size = ALT_MEM_K; mem_size = boot_params.alt_mem_k;
if (!mem_size) { if (!mem_size) {
printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n"); printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
......
...@@ -83,7 +83,7 @@ char * __init machine_specific_memory_setup(void) ...@@ -83,7 +83,7 @@ char * __init machine_specific_memory_setup(void)
if(inb(catbase) != VOYAGER_DINO) { if(inb(catbase) != VOYAGER_DINO) {
printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n"); printk(KERN_ERR "Voyager: Failed to get DINO for L4, setting tom to EXT_MEM_K\n");
tom = (EXT_MEM_K)<<10; tom = (boot_params.screen_info.ext_mem_k)<<10;
} }
who = "Voyager-TOM"; who = "Voyager-TOM";
add_memory_region(0, 0x9f000, E820_RAM); add_memory_region(0, 0x9f000, E820_RAM);
...@@ -104,16 +104,18 @@ char * __init machine_specific_memory_setup(void) ...@@ -104,16 +104,18 @@ char * __init machine_specific_memory_setup(void)
* Otherwise fake a memory map; one section from 0k->640k, * Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k * the next section from 1mb->appropriate_mem_k
*/ */
sanitize_e820_map(E820_MAP, &E820_MAP_NR); sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) { if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
< 0) {
unsigned long mem_size; unsigned long mem_size;
/* compare results from other methods and take the greater */ /* compare results from other methods and take the greater */
if (ALT_MEM_K < EXT_MEM_K) { if (boot_params.alt_mem_k
mem_size = EXT_MEM_K; < boot_params.screen_info.ext_mem_k) {
mem_size = boot_params.screen_info.ext_mem_k;
who = "BIOS-88"; who = "BIOS-88";
} else { } else {
mem_size = ALT_MEM_K; mem_size = boot_params.alt_mem_k;
who = "BIOS-e801"; who = "BIOS-e801";
} }
......
...@@ -288,8 +288,9 @@ unsigned long __init setup_memory(void) ...@@ -288,8 +288,9 @@ unsigned long __init setup_memory(void)
#ifdef CONFIG_BLK_DEV_INITRD #ifdef CONFIG_BLK_DEV_INITRD
/* Numa kva area is below the initrd */ /* Numa kva area is below the initrd */
if (LOADER_TYPE && INITRD_START) if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image)
kva_start_pfn = PFN_DOWN(INITRD_START) - kva_pages; kva_start_pfn = PFN_DOWN(boot_params.hdr.ramdisk_image)
- kva_pages;
#endif #endif
kva_start_pfn -= kva_start_pfn & (PTRS_PER_PTE-1); kva_start_pfn -= kva_start_pfn & (PTRS_PER_PTE-1);
......
...@@ -1137,9 +1137,10 @@ asmlinkage void __init xen_start_kernel(void) ...@@ -1137,9 +1137,10 @@ asmlinkage void __init xen_start_kernel(void)
new_cpu_data.x86_capability[0] = cpuid_edx(1); new_cpu_data.x86_capability[0] = cpuid_edx(1);
/* Poke various useful things into boot_params */ /* Poke various useful things into boot_params */
LOADER_TYPE = (9 << 4) | 0; boot_params.hdr.type_of_loader = (9 << 4) | 0;
INITRD_START = xen_start_info->mod_start ? __pa(xen_start_info->mod_start) : 0; boot_params.hdr.ramdisk_image = xen_start_info->mod_start
INITRD_SIZE = xen_start_info->mod_len; ? __pa(xen_start_info->mod_start) : 0;
boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
/* Start the world */ /* Start the world */
start_kernel(); start_kernel();
......
...@@ -893,7 +893,9 @@ static __init char *lguest_memory_setup(void) ...@@ -893,7 +893,9 @@ static __init char *lguest_memory_setup(void)
/* The Linux bootloader header contains an "e820" memory map: the /* The Linux bootloader header contains an "e820" memory map: the
* Launcher populated the first entry with our memory limit. */ * Launcher populated the first entry with our memory limit. */
add_memory_region(E820_MAP->addr, E820_MAP->size, E820_MAP->type); add_memory_region(boot_params.e820_map[0].addr,
boot_params.e820_map[0].size,
boot_params.e820_map[0].type);
/* This string is for the boot messages. */ /* This string is for the boot messages. */
return "LGUEST"; return "LGUEST";
......
...@@ -372,7 +372,7 @@ static const char *vgacon_startup(void) ...@@ -372,7 +372,7 @@ static const char *vgacon_startup(void)
#endif #endif
} }
/* SCREEN_INFO initialized? */ /* boot_params.screen_info initialized? */
if ((ORIG_VIDEO_MODE == 0) && if ((ORIG_VIDEO_MODE == 0) &&
(ORIG_VIDEO_LINES == 0) && (ORIG_VIDEO_LINES == 0) &&
(ORIG_VIDEO_COLS == 0)) (ORIG_VIDEO_COLS == 0))
......
include include/asm-generic/Kbuild.asm include include/asm-generic/Kbuild.asm
header-y += boot.h header-y += boot.h
header-y += bootsetup.h
header-y += debugreg_32.h header-y += debugreg_32.h
header-y += debugreg_64.h header-y += debugreg_64.h
header-y += debugreg.h header-y += debugreg.h
......
...@@ -14,6 +14,9 @@ struct setup_header { ...@@ -14,6 +14,9 @@ struct setup_header {
u16 root_flags; u16 root_flags;
u32 syssize; u32 syssize;
u16 ram_size; u16 ram_size;
#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
u16 vid_mode; u16 vid_mode;
u16 root_dev; u16 root_dev;
u16 boot_flag; u16 boot_flag;
......
#ifndef _X86_64_BOOTSETUP_H
#define _X86_64_BOOTSETUP_H 1
#define BOOT_PARAM_SIZE 4096
extern char x86_boot_params[BOOT_PARAM_SIZE];
/*
* This is set up by the setup-routine at boot-time
*/
#define PARAM ((unsigned char *)x86_boot_params)
#define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
#define EXT_MEM_K (*(unsigned short *) (PARAM+2))
#define ALT_MEM_K (*(unsigned int *) (PARAM+0x1e0))
#define E820_MAP_NR (*(char*) (PARAM+E820NR))
#define E820_MAP ((struct e820entry *) (PARAM+E820MAP))
#define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
#define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2))
#define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8))
#define SAVED_VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA))
#define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC))
#define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF))
#define LOADER_TYPE (*(unsigned char *) (PARAM+0x210))
#define KERNEL_START (*(unsigned int *) (PARAM+0x214))
#define INITRD_START (*(unsigned int *) (PARAM+0x218))
#define INITRD_SIZE (*(unsigned int *) (PARAM+0x21c))
#define EDID_INFO (*(struct edid_info *) (PARAM+0x140))
#define EDD_NR (*(unsigned char *) (PARAM+EDDNR))
#define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF))
#define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF))
#define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF))
#define COMMAND_LINE boot_command_line
#define RAMDISK_IMAGE_START_MASK 0x07FF
#define RAMDISK_PROMPT_FLAG 0x8000
#define RAMDISK_LOAD_FLAG 0x4000
#endif
...@@ -34,35 +34,6 @@ ...@@ -34,35 +34,6 @@
*/ */
extern struct boot_params boot_params; extern struct boot_params boot_params;
#define PARAM ((char *)&boot_params)
#define SCREEN_INFO (*(struct screen_info *) (PARAM+0))
#define EXT_MEM_K (*(unsigned short *) (PARAM+2))
#define ALT_MEM_K (*(unsigned long *) (PARAM+0x1e0))
#define E820_MAP_NR (*(char*) (PARAM+E820NR))
#define E820_MAP ((struct e820entry *) (PARAM+E820MAP))
#define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
#define IST_INFO (*(struct ist_info *) (PARAM+0x60))
#define SYS_DESC_TABLE (*(struct sys_desc_table *)(PARAM+0xa0))
#define EFI_SYSTAB ((efi_system_table_t *) *((unsigned long *)(PARAM+0x1c4)))
#define EFI_MEMDESC_SIZE (*((unsigned long *) (PARAM+0x1c8)))
#define EFI_MEMDESC_VERSION (*((unsigned long *) (PARAM+0x1cc)))
#define EFI_MEMMAP ((void *) *((unsigned long *)(PARAM+0x1d0)))
#define EFI_MEMMAP_SIZE (*((unsigned long *) (PARAM+0x1d4)))
#define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2))
#define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8))
#define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA))
#define ORIG_ROOT_DEV (*(unsigned short *) (PARAM+0x1FC))
#define AUX_DEVICE_INFO (*(unsigned char *) (PARAM+0x1FF))
#define LOADER_TYPE (*(unsigned char *) (PARAM+0x210))
#define KERNEL_START (*(unsigned long *) (PARAM+0x214))
#define INITRD_START (*(unsigned long *) (PARAM+0x218))
#define INITRD_SIZE (*(unsigned long *) (PARAM+0x21c))
#define EDID_INFO (*(struct edid_info *) (PARAM+0x140))
#define EDD_NR (*(unsigned char *) (PARAM+EDDNR))
#define EDD_MBR_SIG_NR (*(unsigned char *) (PARAM+EDD_MBR_SIG_NR_BUF))
#define EDD_MBR_SIGNATURE ((unsigned int *) (PARAM+EDD_MBR_SIG_BUF))
#define EDD_BUF ((struct edd_info *) (PARAM+EDDBUF))
/* /*
* Do NOT EVER look at the BIOS memory size location. * Do NOT EVER look at the BIOS memory size location.
* It does not work on many machines. * It does not work on many machines.
......
...@@ -3,4 +3,17 @@ ...@@ -3,4 +3,17 @@
#define COMMAND_LINE_SIZE 2048 #define COMMAND_LINE_SIZE 2048
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <asm/bootparam.h>
/*
* This is set up by the setup-routine at boot-time
*/
extern struct boot_params boot_params;
#endif /* not __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif #endif
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