X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=src%2Fpost.c;h=bfa6562151335ac9e24031d01a5db7338c3feeb4;hb=b1b7c2a1c3b940b787fdb5da67fc37003e9d7b0e;hp=595164466d4bc357bcc32e548557a65db5d97e1d;hpb=4d7c37e12ef4ceb6903dd76ee700beb99fbf5f8e;p=seabios.git diff --git a/src/post.c b/src/post.c index 5951644..bfa6562 100644 --- a/src/post.c +++ b/src/post.c @@ -3,28 +3,25 @@ // Copyright (C) 2008 Kevin O'Connor // Copyright (C) 2002 MandrakeSoft S.A. // -// This file may be distributed under the terms of the GNU GPLv3 license. +// This file may be distributed under the terms of the GNU LGPLv3 license. #include "ioport.h" // PORT_* #include "config.h" // CONFIG_* #include "cmos.h" // CMOS_* #include "util.h" // memset #include "biosvar.h" // struct bios_data_area_s -#include "ata.h" // hard_drive_setup #include "disk.h" // floppy_drive_setup #include "memmap.h" // add_e820 #include "pic.h" // pic_setup #include "pci.h" // create_pirtable #include "acpi.h" // acpi_bios_init #include "bregs.h" // struct bregs - -#define bda ((struct bios_data_area_s *)MAKE_FARPTR(SEG_BDA, 0)) +#include "boot.h" // IPL void __set_irq(int vector, void *loc) { - SET_BDA(ivecs[vector].seg, SEG_BIOS); - SET_BDA(ivecs[vector].offset, (u32)loc - BUILD_BIOS_ADDR); + SET_IVT(vector, SEG_BIOS, (u32)loc - BUILD_BIOS_ADDR); } #define set_irq(vector, func) do { \ @@ -33,10 +30,9 @@ __set_irq(int vector, void *loc) } while (0) static void -init_bda() +init_ivt() { - dprintf(3, "init bda\n"); - memset(bda, 0, sizeof(*bda)); + dprintf(3, "init ivt\n"); // Initialize all vectors to a dummy handler. int i; @@ -66,15 +62,19 @@ init_bda() // set vector 0x79 to zero // this is used by 'gardian angel' protection system - SET_BDA(ivecs[0x79].seg, 0); - SET_BDA(ivecs[0x79].offset, 0); + SET_IVT(0x79, 0, 0); __set_irq(0x1E, &diskette_param_table2); } static void -init_ebda() +init_bda() { + dprintf(3, "init bda\n"); + + struct bios_data_area_s *bda = MAKE_FARPTR(SEG_BDA, 0); + memset(bda, 0, sizeof(*bda)); + int esize = DIV_ROUND_UP(sizeof(struct extended_bios_data_area_s), 1024); SET_BDA(mem_size_kb, 640 - esize); u16 eseg = FARPTR_TO_SEG((640 - esize) * 1024); @@ -83,12 +83,8 @@ init_ebda() struct extended_bios_data_area_s *ebda = get_ebda_ptr(); memset(ebda, 0, sizeof(*ebda)); ebda->size = esize; - SET_BDA(ivecs[0x41].seg, eseg); - SET_BDA(ivecs[0x41].offset - , offsetof(struct extended_bios_data_area_s, fdpt[0])); - SET_BDA(ivecs[0x46].seg, eseg); - SET_BDA(ivecs[0x46].offset - , offsetof(struct extended_bios_data_area_s, fdpt[1])); + SET_IVT(0x41, eseg, offsetof(struct extended_bios_data_area_s, fdpt[0])); + SET_IVT(0x46, eseg, offsetof(struct extended_bios_data_area_s, fdpt[1])); } static void @@ -107,14 +103,14 @@ ram_probe(void) rs = (((inb_cmos(CMOS_MEM_EXTMEM_LOW) << 10) | (inb_cmos(CMOS_MEM_EXTMEM_HIGH) << 18)) + 1 * 1024 * 1024); - SET_EBDA(ram_size, rs); + RamSize = rs; add_e820(0, rs, E820_RAM); // Check for memory over 4Gig u64 high = ((inb_cmos(CMOS_MEM_HIGHMEM_LOW) << 16) | (inb_cmos(CMOS_MEM_HIGHMEM_MID) << 24) | ((u64)inb_cmos(CMOS_MEM_HIGHMEM_HIGH) << 32)); - SET_EBDA(ram_size_over4G, high); + RamSizeOver4G = high; add_e820(0x100000000ull, high, E820_RAM); /* reserve 256KB BIOS area at the end of 4 GB */ @@ -125,11 +121,17 @@ ram_probe(void) add_e820(0xa0000, 0x50000, E820_HOLE); // Mark known areas as reserved. - add_e820((u32)MAKE_FARPTR(GET_BDA(ebda_seg), 0), GET_EBDA(size) * 1024 + u16 ebda_seg = get_ebda_seg(); + add_e820((u32)MAKE_FARPTR(ebda_seg, 0), GET_EBDA2(ebda_seg, size) * 1024 , E820_RESERVED); add_e820(BUILD_BIOS_ADDR, BUILD_BIOS_SIZE, E820_RESERVED); - dprintf(1, "ram_size=0x%08x\n", GET_EBDA(ram_size)); + if (CONFIG_KVM) + // 4 pages before the bios, 3 pages for vmx tss pages, the + // other page for EPT real mode pagetable + add_e820(0xfffbc000, 4*4096, E820_RESERVED); + + dprintf(1, "Ram Size=0x%08x\n", RamSize); } static void @@ -156,8 +158,7 @@ init_boot_vectors() dprintf(3, "init boot device ordering\n"); // Floppy drive - struct extended_bios_data_area_s *ebda = get_ebda_ptr(); - struct ipl_entry_s *ip = &ebda->ipl.table[0]; + struct ipl_entry_s *ip = &IPL.table[0]; ip->type = IPL_TYPE_FLOPPY; ip++; @@ -171,18 +172,18 @@ init_boot_vectors() ip++; } - ebda->ipl.count = ip - ebda->ipl.table; - ebda->ipl.sequence = 0xffff; + IPL.count = ip - IPL.table; + SET_EBDA(boot_sequence, 0xffff); if (CONFIG_COREBOOT) { // XXX - hardcode defaults for coreboot. - ebda->ipl.bootorder = 0x00000231; - ebda->ipl.checkfloppysig = 1; + IPL.bootorder = 0x00000231; + IPL.checkfloppysig = 1; } else { // On emulators, get boot order from nvram. - ebda->ipl.bootorder = (inb_cmos(CMOS_BIOS_BOOTFLAG2) - | ((inb_cmos(CMOS_BIOS_BOOTFLAG1) & 0xf0) << 4)); + IPL.bootorder = (inb_cmos(CMOS_BIOS_BOOTFLAG2) + | ((inb_cmos(CMOS_BIOS_BOOTFLAG1) & 0xf0) << 4)); if (!(inb_cmos(CMOS_BIOS_BOOTFLAG1) & 1)) - ebda->ipl.checkfloppysig = 1; + IPL.checkfloppysig = 1; } } @@ -190,8 +191,8 @@ init_boot_vectors() static void post() { + init_ivt(); init_bda(); - init_ebda(); pic_setup(); timer_setup(); @@ -201,6 +202,7 @@ post() memmap_setup(); ram_probe(); + mtrr_setup(); pnp_setup(); vga_setup();