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[Linuxconsole-commit]CVS: ruby/ruby-2.6/arch/i386/kernel setup.c,1.10,1.11
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From: Aivils S. <ai...@us...> - 2004-08-24 05:32:35
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Update of /cvsroot/linuxconsole/ruby/ruby-2.6/arch/i386/kernel In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv27075/ruby-2.6/arch/i386/kernel Modified Files: setup.c Log Message: sync to 2.6.8 Index: setup.c =================================================================== RCS file: /cvsroot/linuxconsole/ruby/ruby-2.6/arch/i386/kernel/setup.c,v retrieving revision 1.10 retrieving revision 1.11 diff -u -d -r1.10 -r1.11 --- setup.c 17 Jun 2004 10:44:52 -0000 1.10 +++ setup.c 24 Aug 2004 05:31:53 -0000 1.11 @@ -47,7 +47,7 @@ #include <asm/sections.h> #include <asm/io_apic.h> #include <asm/ist.h> -#include <asm/std_resources.h> +#include <asm/io.h> #include "setup_arch_pre.h" /* This value is set up by the early boot code to point to the value @@ -57,8 +57,6 @@ int disable_pse __initdata = 0; -static inline char * __init machine_specific_memory_setup(void); - /* * Machine setup.. */ @@ -129,12 +127,206 @@ #define RAMDISK_LOAD_FLAG 0x4000 static char command_line[COMMAND_LINE_SIZE]; - char saved_command_line[COMMAND_LINE_SIZE]; unsigned char __initdata boot_params[PARAM_SIZE]; -static struct resource code_resource = { "Kernel code", 0x100000, 0 }; -static struct resource data_resource = { "Kernel data", 0, 0 }; +static struct resource data_resource = { + .name = "Kernel data", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource code_resource = { + .name = "Kernel code", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource system_rom_resource = { + .name = "System ROM", + .start = 0xf0000, + .end = 0xfffff, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}; + +static struct resource extension_rom_resource = { + .name = "Extension ROM", + .start = 0xe0000, + .end = 0xeffff, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}; + +static struct resource adapter_rom_resources[] = { { + .name = "Adapter ROM", + .start = 0xc8000, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}, { + .name = "Adapter ROM", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}, { + .name = "Adapter ROM", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}, { + .name = "Adapter ROM", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}, { + .name = "Adapter ROM", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}, { + .name = "Adapter ROM", + .start = 0, + .end = 0, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +} }; + +#define ADAPTER_ROM_RESOURCES \ + (sizeof adapter_rom_resources / sizeof adapter_rom_resources[0]) + +static struct resource video_rom_resource = { + .name = "Video ROM", + .start = 0xc0000, + .end = 0xc7fff, + .flags = IORESOURCE_BUSY | IORESOURCE_READONLY | IORESOURCE_MEM +}; + +static struct resource video_ram_resource = { + .name = "Video RAM area", + .start = 0xa0000, + .end = 0xbffff, + .flags = IORESOURCE_BUSY | IORESOURCE_MEM +}; + +static struct resource standard_io_resources[] = { { + .name = "dma1", + .start = 0x0000, + .end = 0x001f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "pic1", + .start = 0x0020, + .end = 0x0021, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "timer", + .start = 0x0040, + .end = 0x005f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "keyboard", + .start = 0x0060, + .end = 0x006f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "dma page reg", + .start = 0x0080, + .end = 0x008f, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "pic2", + .start = 0x00a0, + .end = 0x00a1, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "dma2", + .start = 0x00c0, + .end = 0x00df, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +}, { + .name = "fpu", + .start = 0x00f0, + .end = 0x00ff, + .flags = IORESOURCE_BUSY | IORESOURCE_IO +} }; + +#define STANDARD_IO_RESOURCES \ + (sizeof standard_io_resources / sizeof standard_io_resources[0]) + +#define romsignature(x) (*(unsigned short *)(x) == 0xaa55) + +static int __init romchecksum(unsigned char *rom, unsigned long length) +{ + unsigned char *p, sum = 0; + + for (p = rom; p < rom + length; p++) + sum += *p; + return sum == 0; +} + +static void __init probe_roms(void) +{ + unsigned long start, length, upper; + unsigned char *rom; + int i; + + /* video rom */ + upper = adapter_rom_resources[0].start; + for (start = video_rom_resource.start; start < upper; start += 2048) { + rom = isa_bus_to_virt(start); + if (!romsignature(rom)) + continue; + + video_rom_resource.start = start; + + /* 0 < length <= 0x7f * 512, historically */ + length = rom[2] * 512; + + /* if checksum okay, trust length byte */ + if (length && romchecksum(rom, length)) + video_rom_resource.end = start + length - 1; + + request_resource(&iomem_resource, &video_rom_resource); + break; + } + + start = (video_rom_resource.end + 1 + 2047) & ~2047UL; + if (start < upper) + start = upper; + + /* system rom */ + request_resource(&iomem_resource, &system_rom_resource); + upper = system_rom_resource.start; + + /* check for extension rom (ignore length byte!) */ + rom = isa_bus_to_virt(extension_rom_resource.start); + if (romsignature(rom)) { + length = extension_rom_resource.end - extension_rom_resource.start + 1; + if (romchecksum(rom, length)) { + request_resource(&iomem_resource, &extension_rom_resource); + upper = extension_rom_resource.start; + } + } + + /* check for adapter roms on 2k boundaries */ + for (i = 0; i < ADAPTER_ROM_RESOURCES && start < upper; start += 2048) { + rom = isa_bus_to_virt(start); + if (!romsignature(rom)) + continue; + + /* 0 < length <= 0x7f * 512, historically */ + length = rom[2] * 512; + + /* but accept any length that fits if checksum okay */ + if (!length || start + length > upper || !romchecksum(rom, length)) + continue; + + adapter_rom_resources[i].start = start; + adapter_rom_resources[i].end = start + length - 1; + request_resource(&iomem_resource, &adapter_rom_resources[i]); + + start = adapter_rom_resources[i++].end & ~2047UL; + } +} static void __init limit_regions(unsigned long long size) { @@ -436,13 +628,9 @@ } #if defined(CONFIG_EDD) || defined(CONFIG_EDD_MODULE) -unsigned char eddnr; -struct edd_info edd[EDDMAXNR]; -unsigned int edd_disk80_sig; +struct edd edd; #ifdef CONFIG_EDD_MODULE -EXPORT_SYMBOL(eddnr); EXPORT_SYMBOL(edd); -EXPORT_SYMBOL(edd_disk80_sig); #endif /** * copy_edd() - Copy the BIOS EDD information @@ -451,12 +639,15 @@ */ static inline void copy_edd(void) { - eddnr = EDD_NR; - memcpy(edd, EDD_BUF, sizeof(edd)); - edd_disk80_sig = DISK80_SIGNATURE; + 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; } #else -#define copy_edd() do {} while (0) +static inline void copy_edd(void) +{ +} #endif /* @@ -465,14 +656,6 @@ */ #define LOWMEMSIZE() (0x9f000) -static void __init setup_memory_region(void) -{ - char *who = machine_specific_memory_setup(); - printk(KERN_INFO "BIOS-provided physical RAM map:\n"); - print_memory_map(who); -} /* setup_memory_region */ - - static void __init parse_cmdline_early (char ** cmdline_p) { char c = ' ', *to = command_line, *from = saved_command_line; @@ -948,6 +1131,7 @@ static void __init register_memory(unsigned long max_low_pfn) { unsigned long low_mem_size; + int i; if (efi_enabled) efi_initialize_iomem_resources(&code_resource, &data_resource); @@ -955,10 +1139,11 @@ legacy_init_iomem_resources(&code_resource, &data_resource); /* EFI systems may still have VGA */ - request_graphics_resource(); + request_resource(&iomem_resource, &video_ram_resource); /* request I/O space for devices used on all i[345]86 PCs */ - request_standard_io_resources(); + for (i = 0; i < STANDARD_IO_RESOURCES; i++) + request_resource(&ioport_resource, &standard_io_resources[i]); /* Tell the PCI layer not to allocate too close to the RAM area.. */ low_mem_size = ((max_low_pfn << PAGE_SHIFT) + 0xfffff) & ~0xfffff; @@ -1019,7 +1204,7 @@ } noptypes[] = { { X86_FEATURE_K8, k8_nops }, { X86_FEATURE_K7, k7_nops }, - { -1, 0 } + { -1, NULL } }; /* Replace instructions with better alternatives for this CPU type. @@ -1073,6 +1258,8 @@ __setup("noreplacement", noreplacement_setup); +static char * __init machine_specific_memory_setup(void); + /* * Determine if we were loaded by an EFI loader. If so, then we have also been * passed the efi memmap, systab, etc., so we should use these data structures @@ -1123,8 +1310,10 @@ ARCH_SETUP if (efi_enabled) efi_init(); - else - setup_memory_region(); + else { + printk(KERN_INFO "BIOS-provided physical RAM map:\n"); + print_memory_map(machine_specific_memory_setup()); + } copy_edd(); @@ -1186,7 +1375,6 @@ #endif register_memory(max_low_pfn); - } #include "setup_arch_post.h" |
