Subversion Repositories HelenOS

Rev

Rev 4346 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 4346 Rev 4347
Line 29... Line 29...
29 
 
 29 
 
30 
#include <arch/boot/boot.h>
 30 
#include <arch/boot/boot.h>
31 
#include <arch/boot/memmap.h>
 31 
#include <arch/boot/memmap.h>
32 
#include <arch/mm/page.h>
 32 
#include <arch/mm/page.h>
33 
#include <arch/pm.h>
 33 
#include <arch/pm.h>
- 
 
 34 
#include <arch/cpuid.h>
34 
 
 35 
 
35 
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE)
 36 
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE)
36 
 
 37 
 
37 
.section K_TEXT_START, "ax"
 38 
.section K_TEXT_START, "ax"
38 
 
 39 
 
Line 65... Line 66...
65 
	multiboot_meeting_point:
 66 
	multiboot_meeting_point:
66
67
67 
	movl %eax, grub_eax         # save parameters from GRUB
 68 
	movl %eax, grub_eax         # save parameters from GRUB
68 
	movl %ebx, grub_ebx
 69 
	movl %ebx, grub_ebx
69
70
70 
	xorl %eax, %eax
 71 
	movl $(INTEL_CPUID_LEVEL), %eax
71 
	cpuid
 72 
	cpuid
72 
	cmp $0x0, %eax              # any function > 0?
 73 
	cmp $0x0, %eax              # any function > 0?
73 
	jbe pse_unsupported
 74 
	jbe pse_unsupported
- 
 
 75
74 
	movl $0x1, %eax             # basic function code 1
 76 
	movl $(INTEL_CPUID_STANDARD), %eax
75 
	cpuid
 77 
	cpuid
76 
	bt $3, %edx                 # test if PSE is supported
 78 
	bt $(INTEL_PSE), %edx
77 
	jc pse_supported
 79 
	jc pse_supported
78
80
79 
	pse_unsupported:
 81 
	pse_unsupported:
80 
		movl $pse_msg, %esi
 82 
		movl $pse_msg, %esi
81 
		jmp error_halt
 83 
		jmp error_halt
82
84
83 
	pse_supported:
 85 
	pse_supported:
- 
 
 86
- 
 
 87 
	bt $(INTEL_SEP), %edx
- 
 
 88 
	jc sep_supported
- 
 
 89
- 
 
 90 
		movl $sep_msg, %esi
- 
 
 91 
		jmp error_halt
- 
 
 92
- 
 
 93 
	sep_supported:
84 
 
 94 
 
85 
#include "vesa_prot.inc"
 95 
#include "vesa_prot.inc"
86 
 
 96 
 
87 
	# map kernel and turn paging on
 97 
	# map kernel and turn paging on
88 
	call map_kernel
 98 
	call map_kernel
Line 211... Line 221...
211 
grub_ebx:
 221 
grub_ebx:
212 
	.long 0
 222 
	.long 0
213 
 
 223 
 
214 
pse_msg:
 224 
pse_msg:
215 
	.asciz "Page Size Extension not supported. System halted."
 225 
	.asciz "Page Size Extension not supported. System halted."
- 
 
 226 
 
- 
 
 227 
sep_msg:
- 
 
 228 
	.asciz "SYSENTER/SYSEXIT not supported. System halted."