[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: H. Peter Anvin <hpa@zytor.com>
diff --git a/arch/x86/boot/Makefile b/arch/x86/boot/Makefile
index e8756e5..89dbf97 100644
--- a/arch/x86/boot/Makefile
+++ b/arch/x86/boot/Makefile
@@ -39,6 +39,7 @@
setup-y += video-vga.o
setup-y += video-vesa.o
setup-y += video-bios.o
+
targets += $(setup-y)
hostprogs-y := tools/build
diff --git a/arch/x86/kernel/e820_64.c b/arch/x86/kernel/e820_64.c
index 0f4d5e2..e422b81 100644
--- a/arch/x86/kernel/e820_64.c
+++ b/arch/x86/kernel/e820_64.c
@@ -24,7 +24,7 @@
#include <asm/page.h>
#include <asm/e820.h>
#include <asm/proto.h>
-#include <asm/bootsetup.h>
+#include <asm/setup.h>
#include <asm/sections.h>
struct e820map e820;
@@ -68,10 +68,15 @@
/* initrd */
#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START && last >= INITRD_START &&
- addr < INITRD_START+INITRD_SIZE) {
- *addrp = PAGE_ALIGN(INITRD_START + INITRD_SIZE);
- return 1;
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+ unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
+ unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
+ unsigned long ramdisk_end = ramdisk_image+ramdisk_size;
+
+ if (last >= ramdisk_image && addr < ramdisk_end) {
+ *addrp = PAGE_ALIGN(ramdisk_end);
+ return 1;
+ }
}
#endif
/* kernel code */
@@ -594,8 +599,8 @@
* Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k
*/
- sanitize_e820_map(E820_MAP, &E820_MAP_NR);
- if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0)
+ sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
+ if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0)
early_panic("Cannot find a valid memory map");
printk(KERN_INFO "BIOS-provided physical RAM map:\n");
e820_print_map("BIOS-e820");
diff --git a/arch/x86/kernel/early_printk.c b/arch/x86/kernel/early_printk.c
index fd9aff3..b7d6c23 100644
--- a/arch/x86/kernel/early_printk.c
+++ b/arch/x86/kernel/early_printk.c
@@ -6,15 +6,10 @@
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/fcntl.h>
+#include <asm/setup.h>
#include <xen/hvc-console.h>
/* Simple VGA output */
-
-#ifdef __i386__
-#include <asm/setup.h>
-#else
-#include <asm/bootsetup.h>
-#endif
#define VGABASE (__ISA_IO_base + 0xb8000)
static int max_ypos = 25, max_xpos = 80;
@@ -234,10 +229,10 @@
early_serial_init(buf);
early_console = &early_serial_console;
} else if (!strncmp(buf, "vga", 3)
- && SCREEN_INFO.orig_video_isVGA == 1) {
- max_xpos = SCREEN_INFO.orig_video_cols;
- max_ypos = SCREEN_INFO.orig_video_lines;
- current_ypos = SCREEN_INFO.orig_y;
+ && boot_params.screen_info.orig_video_isVGA == 1) {
+ max_xpos = boot_params.screen_info.orig_video_cols;
+ max_ypos = boot_params.screen_info.orig_video_lines;
+ current_ypos = boot_params.screen_info.orig_y;
early_console = &early_vga_console;
} else if (!strncmp(buf, "simnow", 6)) {
simnow_init(buf + 6);
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 2452c6f..b42558c 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -331,11 +331,13 @@
memset(&efi, 0, sizeof(efi) );
memset(&efi_phys, 0, sizeof(efi_phys));
- efi_phys.systab = EFI_SYSTAB;
- memmap.phys_map = EFI_MEMMAP;
- memmap.nr_map = EFI_MEMMAP_SIZE/EFI_MEMDESC_SIZE;
- memmap.desc_version = EFI_MEMDESC_VERSION;
- memmap.desc_size = EFI_MEMDESC_SIZE;
+ efi_phys.systab =
+ (efi_system_table_t *)boot_params.efi_info.efi_systab;
+ memmap.phys_map = (void *)boot_params.efi_info.efi_memmap;
+ memmap.nr_map = boot_params.efi_info.efi_memmap_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 *)
boot_ioremap((unsigned long) efi_phys.systab,
@@ -446,7 +448,8 @@
printk(KERN_ERR PFX "Could not map the runtime service table!\n");
/* 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)
printk(KERN_ERR PFX "Could not map the EFI memory map!\n");
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 8561f62..a7eee0a 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -14,7 +14,6 @@
#include <asm/processor.h>
#include <asm/proto.h>
#include <asm/smp.h>
-#include <asm/bootsetup.h>
#include <asm/setup.h>
#include <asm/desc.h>
#include <asm/pgtable.h>
@@ -36,26 +35,15 @@
(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)
{
- unsigned long new_data;
char * command_line;
- memcpy(x86_boot_params, real_mode_data, BOOT_PARAM_SIZE);
- new_data = *(u32 *) (x86_boot_params + NEW_CL_POINTER);
- if (!new_data) {
- if (OLD_CL_MAGIC != *(u16 *)(real_mode_data + OLD_CL_MAGIC_ADDR)) {
- return;
- }
- new_data = __pa(real_mode_data) + *(u16 *)(real_mode_data + OLD_CL_OFFSET);
+ memcpy(&boot_params, real_mode_data, sizeof boot_params);
+ if (boot_params.hdr.cmd_line_ptr) {
+ command_line = __va(boot_params.hdr.cmd_line_ptr);
+ memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
}
- command_line = __va(new_data);
- memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE);
}
void __init x86_64_start_kernel(char * real_mode_data)
diff --git a/arch/x86/kernel/setup64.c b/arch/x86/kernel/setup64.c
index 1200aaa..ba91882 100644
--- a/arch/x86/kernel/setup64.c
+++ b/arch/x86/kernel/setup64.c
@@ -11,7 +11,6 @@
#include <linux/bootmem.h>
#include <linux/bitops.h>
#include <linux/module.h>
-#include <asm/bootsetup.h>
#include <asm/pda.h>
#include <asm/pgtable.h>
#include <asm/processor.h>
@@ -23,8 +22,9 @@
#include <asm/percpu.h>
#include <asm/proto.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;
diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c
index c8e1bc3..b87a6fd 100644
--- a/arch/x86/kernel/setup_32.c
+++ b/arch/x86/kernel/setup_32.c
@@ -137,10 +137,11 @@
*/
static inline void copy_edd(void)
{
- memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature));
- memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info));
- edd.mbr_signature_nr = EDD_MBR_SIG_NR;
- edd.edd_info_nr = EDD_NR;
+ memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
+ sizeof(edd.mbr_signature));
+ memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
+ edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
+ edd.edd_info_nr = boot_params.eddbuf_entries;
}
#else
static inline void copy_edd(void)
@@ -434,17 +435,20 @@
#endif
numa_kva_reserve();
#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START) {
- if (INITRD_START + INITRD_SIZE <= (max_low_pfn << PAGE_SHIFT)) {
- reserve_bootmem(INITRD_START, INITRD_SIZE);
- initrd_start = INITRD_START + PAGE_OFFSET;
- initrd_end = initrd_start+INITRD_SIZE;
- }
- else {
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+ unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
+ unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
+ unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
+ unsigned long end_of_lowmem = max_low_pfn << PAGE_SHIFT;
+
+ 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 "
- "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
- INITRD_START + INITRD_SIZE,
- max_low_pfn << PAGE_SHIFT);
+ "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
+ ramdisk_end, end_of_lowmem);
initrd_start = 0;
}
}
@@ -512,28 +516,29 @@
* the system table is valid. If not, then initialize normally.
*/
#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;
#endif
- ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
- screen_info = SCREEN_INFO;
- edid_info = EDID_INFO;
- apm_info.bios = APM_BIOS_INFO;
- ist_info = IST_INFO;
- saved_videomode = VIDEO_MODE;
- if( SYS_DESC_TABLE.length != 0 ) {
- set_mca_bus(SYS_DESC_TABLE.table[3] & 0x2);
- machine_id = SYS_DESC_TABLE.table[0];
- machine_submodel_id = SYS_DESC_TABLE.table[1];
- BIOS_revision = SYS_DESC_TABLE.table[2];
+ ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
+ screen_info = boot_params.screen_info;
+ edid_info = boot_params.edid_info;
+ apm_info.bios = boot_params.apm_bios_info;
+ ist_info = boot_params.ist_info;
+ saved_videomode = boot_params.hdr.vid_mode;
+ if( boot_params.sys_desc_table.length != 0 ) {
+ set_mca_bus(boot_params.sys_desc_table.table[3] & 0x2);
+ machine_id = boot_params.sys_desc_table.table[0];
+ machine_submodel_id = boot_params.sys_desc_table.table[1];
+ 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
- rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
+ rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
+ rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
+ rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
#endif
ARCH_SETUP
if (efi_enabled)
@@ -545,7 +550,7 @@
copy_edd();
- if (!MOUNT_ROOT_RDONLY)
+ if (!boot_params.hdr.root_flags)
root_mountflags &= ~MS_RDONLY;
init_mm.start_code = (unsigned long) _text;
init_mm.end_code = (unsigned long) _etext;
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index 85b5b63..8159bf0 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -52,7 +52,6 @@
#include <asm/dma.h>
#include <asm/mpspec.h>
#include <asm/mmu_context.h>
-#include <asm/bootsetup.h>
#include <asm/proto.h>
#include <asm/setup.h>
#include <asm/mach_apic.h>
@@ -180,10 +179,11 @@
*/
static inline void copy_edd(void)
{
- memcpy(edd.mbr_signature, EDD_MBR_SIGNATURE, sizeof(edd.mbr_signature));
- memcpy(edd.edd_info, EDD_BUF, sizeof(edd.edd_info));
- edd.mbr_signature_nr = EDD_MBR_SIG_NR;
- edd.edd_info_nr = EDD_NR;
+ memcpy(edd.mbr_signature, boot_params.edd_mbr_sig_buffer,
+ sizeof(edd.mbr_signature));
+ memcpy(edd.edd_info, boot_params.eddbuf, sizeof(edd.edd_info));
+ edd.mbr_signature_nr = boot_params.edd_mbr_sig_buf_entries;
+ edd.edd_info_nr = boot_params.eddbuf_entries;
}
#else
static inline void copy_edd(void)
@@ -220,21 +220,21 @@
{
printk(KERN_INFO "Command line: %s\n", boot_command_line);
- ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
- screen_info = SCREEN_INFO;
- edid_info = EDID_INFO;
- saved_video_mode = SAVED_VIDEO_MODE;
- bootloader_type = LOADER_TYPE;
+ ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
+ screen_info = boot_params.screen_info;
+ edid_info = boot_params.edid_info;
+ saved_video_mode = boot_params.hdr.vid_mode;
+ bootloader_type = boot_params.hdr.type_of_loader;
#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = RAMDISK_FLAGS & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((RAMDISK_FLAGS & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((RAMDISK_FLAGS & RAMDISK_LOAD_FLAG) != 0);
+ rd_image_start = boot_params.hdr.ram_size & RAMDISK_IMAGE_START_MASK;
+ rd_prompt = ((boot_params.hdr.ram_size & RAMDISK_PROMPT_FLAG) != 0);
+ rd_doload = ((boot_params.hdr.ram_size & RAMDISK_LOAD_FLAG) != 0);
#endif
setup_memory_region();
copy_edd();
- if (!MOUNT_ROOT_RDONLY)
+ if (!boot_params.hdr.root_flags)
root_mountflags &= ~MS_RDONLY;
init_mm.start_code = (unsigned long) &_text;
init_mm.end_code = (unsigned long) &_etext;
@@ -339,17 +339,20 @@
*/
find_smp_config();
#ifdef CONFIG_BLK_DEV_INITRD
- if (LOADER_TYPE && INITRD_START) {
- if (INITRD_START + INITRD_SIZE <= (end_pfn << PAGE_SHIFT)) {
- reserve_bootmem_generic(INITRD_START, INITRD_SIZE);
- initrd_start = INITRD_START + PAGE_OFFSET;
- initrd_end = initrd_start+INITRD_SIZE;
- }
- else {
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image) {
+ unsigned long ramdisk_image = boot_params.hdr.ramdisk_image;
+ unsigned long ramdisk_size = boot_params.hdr.ramdisk_size;
+ unsigned long ramdisk_end = ramdisk_image + ramdisk_size;
+ unsigned long end_of_mem = end_pfn << PAGE_SHIFT;
+
+ 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 "
- "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
- (unsigned long)(INITRD_START + INITRD_SIZE),
- (unsigned long)(end_pfn << PAGE_SHIFT));
+ "(0x%08lx > 0x%08lx)\ndisabling initrd\n",
+ ramdisk_end, end_of_mem);
initrd_start = 0;
}
}
diff --git a/arch/x86/mach-default/setup.c b/arch/x86/mach-default/setup.c
index 7f635c7..1bd8298 100644
--- a/arch/x86/mach-default/setup.c
+++ b/arch/x86/mach-default/setup.c
@@ -159,16 +159,18 @@
* Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k
*/
- sanitize_e820_map(E820_MAP, &E820_MAP_NR);
- if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) {
+ sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
+ if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
+ < 0) {
unsigned long mem_size;
/* compare results from other methods and take the greater */
- if (ALT_MEM_K < EXT_MEM_K) {
- mem_size = EXT_MEM_K;
+ if (boot_params.alt_mem_k
+ < boot_params.screen_info.ext_mem_k) {
+ mem_size = boot_params.screen_info.ext_mem_k;
who = "BIOS-88";
} else {
- mem_size = ALT_MEM_K;
+ mem_size = boot_params.alt_mem_k;
who = "BIOS-e801";
}
diff --git a/arch/x86/mach-visws/setup.c b/arch/x86/mach-visws/setup.c
index 1f81f10..de4c9db 100644
--- a/arch/x86/mach-visws/setup.c
+++ b/arch/x86/mach-visws/setup.c
@@ -152,7 +152,7 @@
{
long long gfx_mem_size = 8 * MB;
- mem_size = ALT_MEM_K;
+ mem_size = boot_params.alt_mem_k;
if (!mem_size) {
printk(KERN_WARNING "Bootloader didn't set memory size, upgrade it !\n");
diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c
index 2b55694..a0ab400 100644
--- a/arch/x86/mach-voyager/setup.c
+++ b/arch/x86/mach-voyager/setup.c
@@ -83,7 +83,7 @@
if(inb(catbase) != VOYAGER_DINO) {
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";
add_memory_region(0, 0x9f000, E820_RAM);
@@ -104,16 +104,18 @@
* Otherwise fake a memory map; one section from 0k->640k,
* the next section from 1mb->appropriate_mem_k
*/
- sanitize_e820_map(E820_MAP, &E820_MAP_NR);
- if (copy_e820_map(E820_MAP, E820_MAP_NR) < 0) {
+ sanitize_e820_map(boot_params.e820_map, &boot_params.e820_entries);
+ if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries)
+ < 0) {
unsigned long mem_size;
/* compare results from other methods and take the greater */
- if (ALT_MEM_K < EXT_MEM_K) {
- mem_size = EXT_MEM_K;
+ if (boot_params.alt_mem_k
+ < boot_params.screen_info.ext_mem_k) {
+ mem_size = boot_params.screen_info.ext_mem_k;
who = "BIOS-88";
} else {
- mem_size = ALT_MEM_K;
+ mem_size = boot_params.alt_mem_k;
who = "BIOS-e801";
}
diff --git a/arch/x86/mm/discontig_32.c b/arch/x86/mm/discontig_32.c
index 860e912..b1e4545 100644
--- a/arch/x86/mm/discontig_32.c
+++ b/arch/x86/mm/discontig_32.c
@@ -288,8 +288,9 @@
#ifdef CONFIG_BLK_DEV_INITRD
/* Numa kva area is below the initrd */
- if (LOADER_TYPE && INITRD_START)
- kva_start_pfn = PFN_DOWN(INITRD_START) - kva_pages;
+ if (boot_params.hdr.type_of_loader && boot_params.hdr.ramdisk_image)
+ kva_start_pfn = PFN_DOWN(boot_params.hdr.ramdisk_image)
+ - kva_pages;
#endif
kva_start_pfn -= kva_start_pfn & (PTRS_PER_PTE-1);
diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index f01bfcd..493a083 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -1137,9 +1137,10 @@
new_cpu_data.x86_capability[0] = cpuid_edx(1);
/* Poke various useful things into boot_params */
- LOADER_TYPE = (9 << 4) | 0;
- INITRD_START = xen_start_info->mod_start ? __pa(xen_start_info->mod_start) : 0;
- INITRD_SIZE = xen_start_info->mod_len;
+ boot_params.hdr.type_of_loader = (9 << 4) | 0;
+ boot_params.hdr.ramdisk_image = xen_start_info->mod_start
+ ? __pa(xen_start_info->mod_start) : 0;
+ boot_params.hdr.ramdisk_size = xen_start_info->mod_len;
/* Start the world */
start_kernel();
