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Part III of YhLu's patch from January 18th 

Signed-off-by: Yinghai Lu <yinghai.lu at amd.com>
Signed-off-by: Ed Swierk <eswierk at arastra.com>
Signed-off-by: Stefan Reinauer <stepan@coresystems.de>
Acked-by: Ward Vandewege <ward at gnu.org>
Acked-by: Stefan Reinauer <stepan@coresystems.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2590 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Yinghai Lu 2007-04-06 19:57:42 +00:00 committed by Stefan Reinauer
parent a3cf00e4ba
commit 30b4abeedc
3 changed files with 35 additions and 36 deletions
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4
src/arch/i386/lib/c_start.S
View File

@ -263,9 +263,9 @@ gdt:
.word 0x0000, 0x0000 /* dummy */
.byte 0x00, 0x00, 0x00, 0x00
/* selgdt 0x10, flat code segment */
/* selgdt 0x10, flat code segment */
.word 0xffff, 0x0000
.byte 0x00, 0x9b, 0xcf, 0x00
.byte 0x00, 0x9b, 0xcf, 0x00 /* G=1 and 0x0f, So we get 4Gbytes for limit */
/* selgdt 0x18, flat data segment */
.word 0xffff, 0x0000

8
src/arch/i386/lib/console.c
View File

@ -9,11 +9,15 @@ static void __console_tx_byte(unsigned char byte)
#include "console_print.c"
#else
/* CONFIG_USE_INIT == 1 */
/* CONFIG_USE_PRINTK_IN_CAR == 1 */
#include "console_printk.c"
#endif /* CONFIG_USE_INIT */
// do_printk
#include "../../../console/vtxprintf.c"
#include "printk_init.c"
#endif /* CONFIG_USE_PRINTK_IN_CAR */
#ifndef LINUXBIOS_EXTRA_VERSION
#define LINUXBIOS_EXTRA_VERSION ""

59
src/arch/i386/lib/cpu.c
View File

@ -207,7 +207,6 @@ static void set_cpu_ops(struct device *cpu)
}
}
}
die("Unknown cpu");
return;
found:
cpu->ops = driver->ops;
@ -223,7 +222,7 @@ void cpu_initialize(void)
struct device *cpu;
struct cpu_info *info;
struct cpuinfo_x86 c;
info = cpu_info();
printk_notice("Initializing CPU #%d\n", info->index);
@ -233,41 +232,37 @@ void cpu_initialize(void)
die("CPU: missing cpu device structure");
}
// Check that we haven't been passed bad information as the result of a race
// (i.e. BSP timed out while waiting for us to load secondary_stack)
/* Find what type of cpu we are dealing with */
identify_cpu(cpu);
printk_debug("CPU: vendor %s device %x\n",
cpu_vendor_name(cpu->vendor), cpu->device);
#if CONFIG_SMP || CONFIG_IOPIC
if (cpu->path.u.apic.apic_id != lapicid()) {
printk_err("CPU #%d Initialization FAILED: APIC ID mismatch (%u != %u)\n",
info->index, cpu->path.u.apic.apic_id, lapicid());
// return without setting initialized flag
} else {
#endif
/* Find what type of cpu we are dealing with */
identify_cpu(cpu);
printk_debug("CPU: vendor %s device %x\n",
cpu_vendor_name(cpu->vendor), cpu->device);
get_fms(&c, cpu->device);
get_fms(&c, cpu->device);
printk_debug("CPU: family %02x, model %02x, stepping %02x\n", c.x86, c.x86_model, c.x86_mask);
/* Lookup the cpu's operations */
set_cpu_ops(cpu);
printk_debug("CPU: family %02x, model %02x, stepping %02x\n", c.x86, c.x86_model, c.x86_mask);
/* Lookup the cpu's operations */
if(!cpu->ops) {
/* mask out the stepping and try again */
cpu->device -= c.x86_mask;
set_cpu_ops(cpu);
/* Initialize the cpu */
if (cpu->ops && cpu->ops->init) {
cpu->enabled = 1;
cpu->initialized = 1;
cpu->ops->init(cpu);
}
printk_info("CPU #%d Initialized\n", info->index);
#if CONFIG_SMP || CONFIG_IOPIC
cpu->device += c.x86_mask;
if(!cpu->ops) die("Unknown cpu");
printk_debug("WARNING: Using generic cpu ops\n");
}
#endif
/* Initialize the cpu */
if (cpu->ops && cpu->ops->init) {
cpu->enabled = 1;
cpu->initialized = 1;
cpu->ops->init(cpu);
}
printk_info("CPU #%d Initialized\n", info->index);
return;
}