From 95a71a45c250177854f7c530810c88a8a19a443b Mon Sep 17 00:00:00 2001 From: Yinghai Lu Date: Wed, 18 Jun 2008 17:27:08 -0700 Subject: x86: cleanup machine_specific_memory_setup, v2 1. let 64bit support 88 and e801 too 2. introduce default_machine_specific_memory_setup, and reuse it for voyager v2: fix 64 bit compiling Signed-off-by: Yinghai Lu Signed-off-by: Ingo Molnar --- arch/x86/kernel/e820.c | 13 +++++++------ arch/x86/mach-voyager/setup.c | 32 +------------------------------- 2 files changed, 8 insertions(+), 37 deletions(-) (limited to 'arch') diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c index 4947748..7b613d2 100644 --- a/arch/x86/kernel/e820.c +++ b/arch/x86/kernel/e820.c @@ -1029,7 +1029,7 @@ void __init e820_reserve_resources(void) } } -char *__init __attribute__((weak)) machine_specific_memory_setup(void) +char *__init default_machine_specific_memory_setup(void) { char *who = "BIOS-e820"; int new_nr; @@ -1045,10 +1045,7 @@ char *__init __attribute__((weak)) machine_specific_memory_setup(void) &new_nr); boot_params.e820_entries = new_nr; if (copy_e820_map(boot_params.e820_map, boot_params.e820_entries) < 0) { -#ifdef CONFIG_X86_64 - early_panic("Cannot find a valid memory map"); -#else - unsigned long mem_size; + u64 mem_size; /* compare results from other methods and take the greater */ if (boot_params.alt_mem_k @@ -1063,13 +1060,17 @@ char *__init __attribute__((weak)) machine_specific_memory_setup(void) e820.nr_map = 0; e820_add_region(0, LOWMEMSIZE(), E820_RAM); e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM); -#endif } /* In case someone cares... */ return who; } +char *__init __attribute__((weak)) machine_specific_memory_setup(void) +{ + return default_machine_specific_memory_setup(); +} + /* Overridden in paravirt.c if CONFIG_PARAVIRT */ char * __init __attribute__((weak)) memory_setup(void) { diff --git a/arch/x86/mach-voyager/setup.c b/arch/x86/mach-voyager/setup.c index f27b583..6bbdd63 100644 --- a/arch/x86/mach-voyager/setup.c +++ b/arch/x86/mach-voyager/setup.c @@ -104,35 +104,5 @@ char *__init machine_specific_memory_setup(void) return who; } - who = "BIOS-e820"; - - /* - * Try to copy the BIOS-supplied E820-map. - * - * Otherwise fake a memory map; one section from 0k->640k, - * the next section from 1mb->appropriate_mem_k - */ - new_nr = boot_params.e820_entries; - sanitize_e820_map(boot_params.e820_map, - ARRAY_SIZE(boot_params.e820_map), - &new_nr); - boot_params.e820_entries = new_nr; - 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 (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 = boot_params.alt_mem_k; - who = "BIOS-e801"; - } - - e820.nr_map = 0; - e820_add_region(0, LOWMEMSIZE(), E820_RAM); - e820_add_region(HIGH_MEMORY, mem_size << 10, E820_RAM); - } - return who; + return default_machine_specific_memory_setup(); } -- cgit v1.1