diff options
Diffstat (limited to 'src/arch/i386/smp/secondary.S')
| -rw-r--r-- | src/arch/i386/smp/secondary.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/src/arch/i386/smp/secondary.S b/src/arch/i386/smp/secondary.S deleted file mode 100644 index c27d6282b0..0000000000 --- a/src/arch/i386/smp/secondary.S +++ /dev/null @@ -1,76 +0,0 @@ -#include <arch/asm.h> -#include <arch/intel.h> -#include <cpu/p6/mtrr.h> -#include <cpu/p6/apic.h> - .text - .globl _secondary_start - .balign 4096 -_secondary_start: - .code16 - cli - xorl %eax, %eax - movl %eax, %cr3 /* Invalidate TLB*/ - - /* On hyper threaded cpus invalidating the cache here is - * very very bad. Don't. - */ - - /* setup the data segment */ - movw %cs, %ax - movw %ax, %ds - - data32 lgdt gdtaddr - _secondary_start - - movl %cr0, %eax - andl $0x7FFAFFD1, %eax /* PG,AM,WP,NE,TS,EM,MP = 0 */ - orl $0x60000001, %eax /* CD, NW, PE = 1 */ - movl %eax, %cr0 - - ljmpl $0x10, $1f -1: - .code32 - movw $0x18, %ax - movw %ax, %ds - movw %ax, %es - movw %ax, %ss - movw %ax, %fs - movw %ax, %gs - - /* Enable the local apic, and map it where we expext it */ - movl $APIC_BASE_MSR, %ecx - rdmsr - orl $APIC_BASE_MSR_ENABLE, %eax - andl $(~APIC_BASE_MSR_ADDR_MASK), %eax - orl $APIC_DEFAULT_BASE, %eax - wrmsr - - /* Get the apic_id */ - movl (APIC_ID + APIC_DEFAULT_BASE), %edi - shrl $24, %edi - - /* Get the cpu index (CONFIG_MAX_CPUS on error) */ - movl $-4, %ebx -1: addl $4, %ebx - cmpl $(CONFIG_MAX_CPUS << 2), %ebx - je 2 - cmpl %edi, initial_apicid(%ebx) - jne 1b -2: shrl $2, %ebx - - /* set the stack pointer */ - movl $_estack, %esp - movl %ebx, %eax - movl $STACK_SIZE, %ebx - mull %ebx - subl %eax, %esp - - call secondary_cpu_init -1: hlt - jmp 1b - -gdtaddr: - .word gdt_limit /* the table limit */ - .long gdt /* we know the offset */ - - -.code32 |