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authorDon Dugger <n0ano@n0ano.com>2016-06-03 03:33:22 +0000
committerGerrit Code Review <gerrit@172.30.200.206>2016-06-03 03:33:23 +0000
commitda27230f80795d0028333713f036d44c53cb0e68 (patch)
treeb3d379eaf000adf72b36cb01cdf4d79c3e3f064c /qemu/roms/seabios/src/post.c
parent0e68cb048bb8aadb14675f5d4286d8ab2fc35449 (diff)
parent437fd90c0250dee670290f9b714253671a990160 (diff)
Merge "These changes are the raw update to qemu-2.6."
Diffstat (limited to 'qemu/roms/seabios/src/post.c')
-rw-r--r--qemu/roms/seabios/src/post.c60
1 files changed, 32 insertions, 28 deletions
diff --git a/qemu/roms/seabios/src/post.c b/qemu/roms/seabios/src/post.c
index 9ea5620c9..49c22b875 100644
--- a/qemu/roms/seabios/src/post.c
+++ b/qemu/roms/seabios/src/post.c
@@ -8,6 +8,7 @@
#include "biosvar.h" // SET_BDA
#include "bregs.h" // struct bregs
#include "config.h" // CONFIG_*
+#include "e820map.h" // e820_add
#include "fw/paravirt.h" // qemu_cfg_preinit
#include "fw/xen.h" // xen_preinit
#include "hw/ahci.h" // ahci_setup
@@ -24,10 +25,11 @@
#include "hw/virtio-blk.h" // virtio_blk_setup
#include "hw/virtio-scsi.h" // virtio_scsi_setup
#include "malloc.h" // malloc_init
-#include "memmap.h" // add_e820
+#include "memmap.h" // SYMBOL
#include "output.h" // dprintf
#include "string.h" // memset
#include "util.h" // kbd_init
+#include "tcgbios.h" // tpm_*
/****************************************************************
@@ -88,9 +90,8 @@ bda_init(void)
int esize = EBDA_SIZE_START;
u16 ebda_seg = EBDA_SEGMENT_START;
- extern u8 final_varlow_start[];
if (!CONFIG_MALLOC_UPPERMEMORY)
- ebda_seg = FLATPTR_TO_SEG(ALIGN_DOWN((u32)final_varlow_start, 1024)
+ ebda_seg = FLATPTR_TO_SEG(ALIGN_DOWN(SYMBOL(final_varlow_start), 1024)
- EBDA_SIZE_START*1024);
SET_BDA(ebda_seg, ebda_seg);
@@ -101,10 +102,10 @@ bda_init(void)
memset(ebda, 0, sizeof(*ebda));
ebda->size = esize;
- add_e820((u32)ebda, BUILD_LOWRAM_END-(u32)ebda, E820_RESERVED);
+ e820_add((u32)ebda, BUILD_LOWRAM_END-(u32)ebda, E820_RESERVED);
// Init extra stack
- StackPos = (void*)(&ExtraStack[BUILD_EXTRA_STACK_SIZE] - zonelow_base);
+ StackPos = &ExtraStack[BUILD_EXTRA_STACK_SIZE] - SYMBOL(zonelow_base);
}
void
@@ -116,13 +117,13 @@ interface_init(void)
// Setup romfile items.
qemu_cfg_init();
coreboot_cbfs_init();
+ multiboot_init();
// Setup ivt/bda/ebda
ivt_init();
bda_init();
// Other interfaces
- thread_init();
boot_init();
bios32_init();
pmm_init();
@@ -157,26 +158,32 @@ device_hardware_setup(void)
static void
platform_hardware_setup(void)
{
- // Enable CPU caching
- setcr0(getcr0() & ~(CR0_CD|CR0_NW));
-
// Make sure legacy DMA isn't running.
dma_setup();
// Init base pc hardware.
pic_setup();
+ thread_setup();
mathcp_setup();
- timer_setup();
- clock_setup();
// Platform specific setup
qemu_platform_setup();
coreboot_platform_setup();
+
+ // Setup timers and periodic clock interrupt
+ timer_setup();
+ clock_setup();
+
+ // Initialize TPM
+ tpm_setup();
}
void
prepareboot(void)
{
+ // Change TPM phys. presence state befor leaving BIOS
+ tpm_prepboot();
+
// Run BCVs
bcv_prepboot();
@@ -184,7 +191,7 @@ prepareboot(void)
cdrom_prepboot();
pmm_prepboot();
malloc_prepboot();
- memmap_prepboot();
+ e820_prepboot();
HaveRunPost = 2;
@@ -269,30 +276,27 @@ reloc_preinit(void *f, void *arg)
void (*func)(void *) __noreturn = f;
if (!CONFIG_RELOCATE_INIT)
func(arg);
- // Symbols populated by the build.
- extern u8 code32flat_start[];
- extern u8 _reloc_min_align;
- extern u32 _reloc_abs_start[], _reloc_abs_end[];
- extern u32 _reloc_rel_start[], _reloc_rel_end[];
- extern u32 _reloc_init_start[], _reloc_init_end[];
- extern u8 code32init_start[], code32init_end[];
// Allocate space for init code.
- u32 initsize = code32init_end - code32init_start;
- u32 codealign = (u32)&_reloc_min_align;
+ u32 initsize = SYMBOL(code32init_end) - SYMBOL(code32init_start);
+ u32 codealign = SYMBOL(_reloc_min_align);
void *codedest = memalign_tmp(codealign, initsize);
+ void *codesrc = VSYMBOL(code32init_start);
if (!codedest)
panic("No space for init relocation.\n");
// Copy code and update relocs (init absolute, init relative, and runtime)
dprintf(1, "Relocating init from %p to %p (size %d)\n"
- , code32init_start, codedest, initsize);
- s32 delta = codedest - (void*)code32init_start;
- memcpy(codedest, code32init_start, initsize);
- updateRelocs(codedest, _reloc_abs_start, _reloc_abs_end, delta);
- updateRelocs(codedest, _reloc_rel_start, _reloc_rel_end, -delta);
- updateRelocs(code32flat_start, _reloc_init_start, _reloc_init_end, delta);
- if (f >= (void*)code32init_start && f < (void*)code32init_end)
+ , codesrc, codedest, initsize);
+ s32 delta = codedest - codesrc;
+ memcpy(codedest, codesrc, initsize);
+ updateRelocs(codedest, VSYMBOL(_reloc_abs_start), VSYMBOL(_reloc_abs_end)
+ , delta);
+ updateRelocs(codedest, VSYMBOL(_reloc_rel_start), VSYMBOL(_reloc_rel_end)
+ , -delta);
+ updateRelocs(VSYMBOL(code32flat_start), VSYMBOL(_reloc_init_start)
+ , VSYMBOL(_reloc_init_end), delta);
+ if (f >= codesrc && f < VSYMBOL(code32init_end))
func = f + delta;
// Call function in relocated code.