From c45a707dbe35cb9aa6490223e5b1129fa3583948 Mon Sep 17 00:00:00 2001 From: "Huang, Ying" Date: Mon, 2 Jun 2008 14:26:25 +0800 Subject: [PATCH] x86: linked list of setup_data for i386 This patch adds linked list of struct setup_data supported for i386. Signed-off-by: Huang Ying Cc: andi@firstfloor.org Cc: mingo@redhat.com Signed-off-by: Thomas Gleixner --- arch/x86/kernel/head.c | 18 ++++++++++++++++++ arch/x86/kernel/head64.c | 18 ------------------ arch/x86/kernel/setup.c | 22 ++++++++++++++++++++++ arch/x86/kernel/setup_32.c | 3 +++ arch/x86/kernel/setup_64.c | 22 ---------------------- include/asm-x86/bootparam.h | 3 +++ 6 files changed, 46 insertions(+), 40 deletions(-) diff --git a/arch/x86/kernel/head.c b/arch/x86/kernel/head.c index e0d0ce58979e..a727c0b9819c 100644 --- a/arch/x86/kernel/head.c +++ b/arch/x86/kernel/head.c @@ -53,3 +53,21 @@ void __init reserve_ebda_region(void) /* reserve all memory between lowmem and the 1MB mark */ reserve_early(lowmem, 0x100000, "BIOS reserved"); } + +void __init reserve_setup_data(void) +{ + struct setup_data *data; + u64 pa_data; + char buf[32]; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, sizeof(*data)); + sprintf(buf, "setup data %x", data->type); + reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf); + pa_data = data->next; + early_iounmap(data, sizeof(*data)); + } +} diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index f1773c8ee21e..5fbed459ff3b 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -51,24 +51,6 @@ static void __init copy_bootdata(char *real_mode_data) } } -static void __init reserve_setup_data(void) -{ - struct setup_data *data; - unsigned long pa_data; - char buf[32]; - - if (boot_params.hdr.version < 0x0209) - return; - pa_data = boot_params.hdr.setup_data; - while (pa_data) { - data = early_ioremap(pa_data, sizeof(*data)); - sprintf(buf, "setup data %x", data->type); - reserve_early(pa_data, pa_data+sizeof(*data)+data->len, buf); - pa_data = data->next; - early_iounmap(data, sizeof(*data)); - } -} - void __init x86_64_start_kernel(char * real_mode_data) { int i; diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 6f80b852a196..0a281f2c7157 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -137,3 +137,25 @@ void __init setup_per_cpu_areas(void) } #endif + +void __init parse_setup_data(void) +{ + struct setup_data *data; + u64 pa_data; + + if (boot_params.hdr.version < 0x0209) + return; + pa_data = boot_params.hdr.setup_data; + while (pa_data) { + data = early_ioremap(pa_data, PAGE_SIZE); + switch (data->type) { + default: + break; + } +#ifndef CONFIG_DEBUG_BOOT_PARAMS + free_early(pa_data, pa_data+sizeof(*data)+data->len); +#endif + pa_data = data->next; + early_iounmap(data, PAGE_SIZE); + } +} diff --git a/arch/x86/kernel/setup_32.c b/arch/x86/kernel/setup_32.c index 2960cbecfa5a..ee1ccdbd7100 100644 --- a/arch/x86/kernel/setup_32.c +++ b/arch/x86/kernel/setup_32.c @@ -681,6 +681,7 @@ void __init setup_arch(char **cmdline_p) pre_setup_arch_hook(); early_cpu_init(); early_ioremap_init(); + reserve_setup_data(); #ifdef CONFIG_EFI if (!strncmp((char *)&boot_params.efi_info.efi_loader_signature, @@ -729,6 +730,8 @@ void __init setup_arch(char **cmdline_p) bss_resource.start = virt_to_phys(&__bss_start); bss_resource.end = virt_to_phys(&__bss_stop)-1; + parse_setup_data(); + parse_early_param(); finish_e820_parsing(); diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c index 078c02f6f5f9..adf3b04dc582 100644 --- a/arch/x86/kernel/setup_64.c +++ b/arch/x86/kernel/setup_64.c @@ -272,28 +272,6 @@ void __attribute__((weak)) __init memory_setup(void) machine_specific_memory_setup(); } -static void __init parse_setup_data(void) -{ - struct setup_data *data; - unsigned long pa_data; - - if (boot_params.hdr.version < 0x0209) - return; - pa_data = boot_params.hdr.setup_data; - while (pa_data) { - data = early_ioremap(pa_data, PAGE_SIZE); - switch (data->type) { - default: - break; - } -#ifndef CONFIG_DEBUG_BOOT_PARAMS - free_early(pa_data, pa_data+sizeof(*data)+data->len); -#endif - pa_data = data->next; - early_iounmap(data, PAGE_SIZE); - } -} - #ifdef CONFIG_PCI_MMCONFIG extern void __cpuinit fam10h_check_enable_mmcfg(void); extern void __init check_enable_amd_mmconf_dmi(void); diff --git a/include/asm-x86/bootparam.h b/include/asm-x86/bootparam.h index f62f4733606b..0a073904168b 100644 --- a/include/asm-x86/bootparam.h +++ b/include/asm-x86/bootparam.h @@ -106,4 +106,7 @@ struct boot_params { __u8 _pad9[276]; /* 0xeec */ } __attribute__((packed)); +void reserve_setup_data(void); +void parse_setup_data(void); + #endif /* _ASM_BOOTPARAM_H */ -- 2.30.2