/trunk/kernel/arch/amd64/src/boot/vesa_ret.inc |
---|
0,0 → 1,19 |
.code32 |
vesa_init_protected: |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
# |
# Simics seems to remove hidden part of GS on entering user mode |
# when _visible_ part of GS does not point to user-mode segment. |
# |
movw $gdtselector(UDATA_DES), %cx |
movw %cx, %fs |
movw %cx, %gs |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point |
/trunk/kernel/arch/amd64/src/boot/boot.S |
---|
37,7 → 37,7 |
#include <arch/cpuid.h> |
#define START_STACK (BOOT_OFFSET - BOOT_STACK_SIZE) |
.section K_TEXT_START, "ax" |
.code32 |
46,7 → 46,7 |
multiboot_header: |
.long MULTIBOOT_HEADER_MAGIC |
.long MULTIBOOT_HEADER_FLAGS |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long multiboot_header |
.long unmapped_ktext_start |
.long 0 |
55,15 → 55,19 |
multiboot_image_start: |
cld |
movl $START_STACK, %esp # initialize stack pointer |
lgdtl bootstrap_gdtr # initialize Global Descriptor Table register |
movl $START_STACK, %esp # initialize stack pointer |
lgdtl bootstrap_gdtr # initialize Global Descriptor Table register |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %ds # kernel data + stack |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
# |
# Simics seems to remove hidden part of GS on entering user mode |
# when _visible_ part of GS does not point to user-mode segment |
# when _visible_ part of GS does not point to user-mode segment. |
# |
movw $gdtselector(UDATA_DES), %cx |
movw %cx, %fs |
movw %cx, %gs |
71,17 → 75,19 |
jmpl $gdtselector(KTEXT32_DES), $multiboot_meeting_point |
multiboot_meeting_point: |
movl %eax, grub_eax # save parameters from GRUB |
movl %eax, grub_eax # save parameters from GRUB |
movl %ebx, grub_ebx |
# |
# Protected 32-bit. We want to reuse the code-seg descriptor, |
# the Default operand size must not be 1 when entering long mode |
# the Default operand size must not be 1 when entering long mode. |
# |
movl $(INTEL_CPUID_EXTENDED), %eax |
cpuid |
cmp $(INTEL_CPUID_EXTENDED), %eax |
movl $(INTEL_CPUID_EXTENDED), %eax |
cpuid |
cmp $(INTEL_CPUID_EXTENDED), %eax |
ja extended_cpuid_supported |
movl $extended_cpuid_msg, %esi |
jmp error_halt |
90,11 → 96,11 |
movl $(AMD_CPUID_EXTENDED), %eax |
cpuid |
bt $(AMD_EXT_LONG_MODE), %edx |
jc long_mode_supported |
jc long_mode_supported |
movl $long_mode_msg, %esi |
jmp error_halt |
long_mode_supported: |
bt $(AMD_EXT_NOEXECUTE), %edx |
108,7 → 114,7 |
movl $(INTEL_CPUID_STANDARD), %eax |
cpuid |
bt $(INTEL_FXSAVE), %edx |
jc fx_supported |
jc fx_supported |
movl $fx_msg, %esi |
jmp error_halt |
116,59 → 122,43 |
fx_supported: |
bt $(INTEL_SSE2), %edx |
jc sse2_supported |
jc sse2_supported |
movl $sse2_msg, %esi |
jmp error_halt |
sse2_supported: |
#ifdef CONFIG_FB |
mov $vesa_init, %esi |
mov $VESA_INIT_SEGMENT << 4, %edi |
mov $e_vesa_init - vesa_init, %ecx |
rep movsb |
mov $VESA_INIT_SEGMENT << 4, %edi |
jmpl *%edi |
vesa_meeting_point: |
mov %esi, KA2PA(vesa_ph_addr) |
mov %di, KA2PA(vesa_height) |
shr $16, %edi |
mov %di, KA2PA(vesa_width) |
mov %bx, KA2PA(vesa_scanline) |
shr $16, %ebx |
mov %bx, KA2PA(vesa_bpp) |
#endif |
#include "vesa_prot.inc" |
# |
# Enable 64-bit page translation entries - CR4.PAE = 1. |
# Paging is not enabled until after long mode is enabled |
# Paging is not enabled until after long mode is enabled. |
# |
movl %cr4, %eax |
btsl $5, %eax |
movl %eax, %cr4 |
# Set up paging tables |
# set up paging tables |
leal ptl_0, %eax |
movl %eax, %cr3 |
# Enable long mode |
# enable long mode |
movl $EFER_MSR_NUM, %ecx # EFER MSR number |
rdmsr # Read EFER |
btsl $AMD_LME_FLAG, %eax # Set LME = 1 |
wrmsr # Write EFER |
movl $EFER_MSR_NUM, %ecx # EFER MSR number |
rdmsr # read EFER |
btsl $AMD_LME_FLAG, %eax # set LME = 1 |
wrmsr # write EFER |
# Enable paging to activate long mode (set CR0.PG = 1) |
# enable paging to activate long mode (set CR0.PG = 1) |
movl %cr0, %eax |
btsl $31, %eax |
movl %eax, %cr0 |
# At this point we are in compatibility mode |
# at this point we are in compatibility mode |
jmpl $gdtselector(KTEXT_DES), $start64 |
175,262 → 165,29 |
.code64 |
start64: |
movq $(PA2KA(START_STACK)), %rsp |
# arch_pre_main(grub_eax, grub_ebx) |
# call arch_pre_main(grub_eax, grub_ebx) |
xorq %rdi, %rdi |
movl grub_eax, %edi |
xorq %rsi, %rsi |
movl grub_ebx, %esi |
call arch_pre_main |
call main_bsp |
# Not reached. |
# not reached |
cli |
hlt |
hlt0: |
hlt |
jmp hlt0 |
#ifdef CONFIG_FB |
.code32 |
vesa_init: |
jmp $gdtselector(VESA_INIT_DES), $vesa_init_real - vesa_init |
.code16 |
vesa_init_real: |
mov %cr0, %eax |
and $~1, %eax |
mov %eax, %cr0 |
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init |
vesa_init_real2: |
mov $VESA_INIT_SEGMENT, %bx |
mov %bx, %es |
mov %bx, %fs |
mov %bx, %gs |
mov %bx, %ds |
mov %bx, %ss |
movl $0x0000fffc, %esp |
movl $0x0000fffc, %ebp |
#define VESA_INFO_SIZE 1024 |
#define VESA_MODE_ATTRIBUTES_OFFSET 0 |
#define VESA_MODE_LIST_PTR_OFFSET 14 |
#define VESA_MODE_SCANLINE_OFFSET 16 |
#define VESA_MODE_WIDTH_OFFSET 18 |
#define VESA_MODE_HEIGHT_OFFSET 20 |
#define VESA_MODE_BPP_OFFSET 25 |
#define VESA_MODE_PHADDR_OFFSET 40 |
#define VESA_END_OF_MODES 0xffff |
#define VESA_OK 0x4f |
#define VESA_GET_INFO 0x4f00 |
#define VESA_GET_MODE_INFO 0x4f01 |
#define VESA_SET_MODE 0x4f02 |
#define VESA_SET_PALETTE 0x4f09 |
#define CONFIG_VESA_BPP_a 255 |
#if CONFIG_VESA_BPP == 24 |
#define CONFIG_VESA_BPP_VARIANT 32 |
#endif |
mov $VESA_GET_INFO, %ax |
mov $e_vesa_init - vesa_init, %di |
push %di |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz 0f |
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si |
mov %si, %gs |
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si |
add $VESA_INFO_SIZE, %di |
1:# Try next mode |
mov %gs:(%si), %cx |
cmp $VESA_END_OF_MODES, %cx |
jz 0f |
inc %si |
inc %si |
push %cx |
push %di |
push %si |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %si |
pop %di |
pop %cx |
cmp $VESA_OK, %al |
jnz 0f |
mov $CONFIG_VESA_WIDTH, %ax |
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax |
jnz 1b |
mov $CONFIG_VESA_HEIGHT, %ax |
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax |
jnz 1b |
mov $CONFIG_VESA_BPP, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
#ifdef CONFIG_VESA_BPP_VARIANT |
jz 2f |
mov $CONFIG_VESA_BPP_VARIANT, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
#endif |
jnz 1b |
2: |
mov %cx, %bx |
or $0xc000, %bx |
push %di |
mov $VESA_SET_MODE, %ax |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz 0f |
#if CONFIG_VESA_BPP == 8 |
# Set 3:2:3 VGA palette |
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax |
push %di |
mov $vga323 - vesa_init, %di |
mov $0x100, %ecx |
bt $5, %ax # Test if VGA compatible registers are present |
jnc vga_compat |
# Try VESA routine to set palette |
mov $VESA_SET_PALETTE, %ax |
xor %bl, %bl |
xor %dx, %dx |
int $0x10 |
cmp $0x00, %ah |
je vga_not_compat |
vga_compat: |
# Try VGA registers to set palette |
movw $0x3c6, %dx # Set palette mask |
movb $0xff, %al |
outb %al, %dx |
movw $0x3c8, %dx # First index to set |
xor %al, %al |
outb %al, %dx |
movw $0x3c9, %dx # Data port |
vga_loop: |
movb %es:2(%di), %al |
outb %al, %dx |
movb %es:1(%di), %al |
outb %al, %dx |
movb %es:(%di), %al |
outb %al, %dx |
addw $4, %di |
loop vga_loop |
vga_not_compat: |
pop %di |
#endif |
mov VESA_MODE_PHADDR_OFFSET(%di), %esi |
mov VESA_MODE_WIDTH_OFFSET(%di), %ax |
shl $16, %eax |
mov VESA_MODE_HEIGHT_OFFSET(%di), %ax |
mov VESA_MODE_BPP_OFFSET(%di), %bl |
xor %bh, %bh |
shl $16, %ebx |
mov VESA_MODE_SCANLINE_OFFSET(%di), %bx |
mov %eax, %edi |
8: |
mov %cr0, %eax |
or $1, %eax |
mov %eax, %cr0 |
jmp 9f |
9: |
ljmpl $gdtselector(KTEXT32_DES), $(vesa_init_protect - vesa_init + VESA_INIT_SEGMENT << 4) |
0:# No prefered mode found |
mov $0x111, %cx |
push %di |
push %cx |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %cx |
pop %di |
cmp $VESA_OK, %al |
jnz 1f |
jz 2b # Force relative jump |
1: |
mov $0x0003, %ax |
int $0x10 |
mov $0xffffffff, %edi # EGA text mode used, because of problems with VESA |
xor %ax, %ax |
jz 8b # Force relative jump |
vga323: |
#include "vga323.pal" |
.code32 |
vesa_init_protect: |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
# Simics seems to remove hidden part of GS on entering user mode |
# when _visible_ part of GS does not point to user-mode segment |
movw $gdtselector(UDATA_DES), %cx |
movw %cx, %fs |
movw %cx, %gs |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $gdtselector(KTEXT32_DES), $vesa_meeting_point |
.align 4 |
e_vesa_init: |
#endif |
# Print string from %esi to EGA display (in red) and halt |
error_halt: |
movl $0xb8000, %edi # base of EGA text mode memory |
movl $0xb8000, %edi # base of EGA text mode memory |
xorl %eax, %eax |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
438,7 → 195,7 |
inb %dx, %al |
shl $8, %ax |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
447,7 → 204,9 |
cmp $1920, %ax |
jbe cursor_ok |
movw $1920, %ax # sanity check for the cursor on the last line |
movw $1920, %ax # sanity check for the cursor on the last line |
cursor_ok: |
movw %ax, %bx |
454,7 → 213,7 |
shl $1, %eax |
addl %eax, %edi |
movw $0x0c00, %ax # black background, light red foreground |
movw $0x0c00, %ax # black background, light red foreground |
ploop: |
lodsb |
461,11 → 220,11 |
cmp $0, %al |
je ploop_end |
stosw |
inc %bx |
inc %bx |
jmp ploop |
ploop_end: |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
473,7 → 232,7 |
movb %bh, %al |
outb %al, %dx |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
480,17 → 239,20 |
movw $0x3d5, %dx |
movb %bl, %al |
outb %al, %dx |
cli |
hlt |
hlt1: |
hlt |
jmp hlt1 |
#include "vesa_real.inc" |
.section K_INI_PTLS, "aw", @progbits |
# |
# Macro for generating initial page table contents. |
# @param cnt Number of entries to generat. Must be multiple of 8. |
# @param g Number of GB that will be added to the mapping. |
# @param cnt Number of entries to generat. Must be multiple of 8. |
# @param g Number of GB that will be added to the mapping. |
# |
.macro ptl2gen cnt g |
.if \cnt |
542,7 → 304,7 |
# Mapping of [0; 1G) at -2G |
.quad ptl_2_0g + (PTL_WRITABLE | PTL_PRESENT) |
.fill 1, 8, 0 |
.align 4096 |
.global ptl_0 |
ptl_0: |
/trunk/kernel/arch/amd64/src/boot/vesa_real.inc |
---|
0,0 → 1,0 |
link ../../../ia32/src/boot/vesa_real.inc |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/trunk/kernel/arch/amd64/src/boot/vesa_prot.inc |
---|
0,0 → 1,0 |
link ../../../ia32/src/boot/vesa_prot.inc |
Property changes: |
Added: svn:special |
+* |
\ No newline at end of property |
/trunk/kernel/arch/amd64/src/boot/memmap.c |
---|
26,7 → 26,7 |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
/** @addtogroup amd64mm |
/** @addtogroup amd64mm |
* @{ |
*/ |
/** @file |
/trunk/kernel/arch/ia32/src/boot/vesa_ret.inc |
---|
0,0 → 1,12 |
.code32 |
vesa_init_protected: |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %fs |
movw %cx, %gs |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $gdtselector(KTEXT_DES), $vesa_meeting_point |
/trunk/kernel/arch/ia32/src/boot/boot.S |
---|
42,69 → 42,52 |
multiboot_header: |
.long MULTIBOOT_HEADER_MAGIC |
.long MULTIBOOT_HEADER_FLAGS |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long -(MULTIBOOT_HEADER_MAGIC + MULTIBOOT_HEADER_FLAGS) # checksum |
.long multiboot_header |
.long unmapped_ktext_start |
.long 0 |
.long 0 |
.long multiboot_image_start |
multiboot_image_start: |
cld |
movl $START_STACK, %esp # initialize stack pointer |
lgdt KA2PA(bootstrap_gdtr) # initialize Global Descriptor Table register |
movw $selector(KDATA_DES), %cx |
movl $START_STACK, %esp # initialize stack pointer |
lgdt KA2PA(bootstrap_gdtr) # initialize Global Descriptor Table register |
movw $gdtselector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %fs |
movw %cx, %gs |
movw %cx, %ds # kernel data + stack |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
jmpl $selector(KTEXT_DES), $multiboot_meeting_point |
jmpl $gdtselector(KTEXT_DES), $multiboot_meeting_point |
multiboot_meeting_point: |
movl %eax, grub_eax # save parameters from GRUB |
movl %eax, grub_eax # save parameters from GRUB |
movl %ebx, grub_ebx |
xorl %eax, %eax |
cpuid |
cmp $0x0, %eax # any function > 0? |
xorl %eax, %eax |
cpuid |
cmp $0x0, %eax # any function > 0? |
jbe pse_unsupported |
movl $0x1, %eax # Basic function code 1 |
movl $0x1, %eax # basic function code 1 |
cpuid |
bt $3, %edx # Test if PSE is supported |
bt $3, %edx # test if PSE is supported |
jc pse_supported |
pse_unsupported: |
movl $pse_msg, %esi |
jmp error_halt |
pse_supported: |
#ifdef CONFIG_FB |
mov $vesa_init, %esi |
mov $VESA_INIT_SEGMENT << 4, %edi |
mov $e_vesa_init - vesa_init, %ecx |
rep movsb |
mov $VESA_INIT_SEGMENT << 4, %edi |
jmpl *%edi |
#include "vesa_prot.inc" |
# map kernel and turn paging on |
call map_kernel |
vesa_meeting_point: |
mov %esi, KA2PA(vesa_ph_addr) |
mov %di, KA2PA(vesa_height) |
shr $16, %edi |
mov %di, KA2PA(vesa_width) |
mov %bx, KA2PA(vesa_scanline) |
shr $16, %ebx |
mov %bx, KA2PA(vesa_bpp) |
#endif |
call map_kernel # map kernel and turn paging on |
# arch_pre_main(grub_eax, grub_ebx) |
# call arch_pre_main(grub_eax, grub_ebx) |
pushl grub_ebx |
pushl grub_eax |
call arch_pre_main |
111,10 → 94,11 |
call main_bsp |
# Not reached. |
# not reached |
cli |
hlt |
hlt0: |
hlt |
jmp hlt0 |
.global map_kernel |
map_kernel: |
123,8 → 107,8 |
# For simplicity, we map the entire 4G space. |
# |
movl %cr4, %ecx |
orl $(1 << 4), %ecx # turn PSE on |
andl $(~(1 << 5)), %ecx # turn PAE off |
orl $(1 << 4), %ecx # turn PSE on |
andl $(~(1 << 5)), %ecx # turn PAE off |
movl %ecx, %cr4 |
movl $(page_directory + 0), %esi |
131,30 → 115,31 |
movl $(page_directory + 2048), %edi |
xorl %ecx, %ecx |
xorl %ebx, %ebx |
0: |
movl $((1 << 7) | (1 << 1) | (1 << 0)), %eax |
orl %ebx, %eax |
movl %eax, (%esi, %ecx, 4) # mapping 0x00000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
movl %eax, (%edi, %ecx, 4) # mapping 0x80000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
addl $(4 * 1024 * 1024), %ebx |
incl %ecx |
cmpl $512, %ecx |
jl 0b |
floop: |
movl $((1 << 7) | (1 << 1) | (1 << 0)), %eax |
orl %ebx, %eax |
movl %eax, (%esi, %ecx, 4) # mapping 0x00000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
movl %eax, (%edi, %ecx, 4) # mapping 0x80000000 + %ecx * 4M => 0x00000000 + %ecx * 4M |
addl $(4 * 1024 * 1024), %ebx |
incl %ecx |
cmpl $512, %ecx |
jl floop |
movl %esi, %cr3 |
movl %cr0, %ebx |
orl $(1 << 31), %ebx # turn paging on |
orl $(1 << 31), %ebx # turn paging on |
movl %ebx, %cr0 |
ret |
# Print string from %esi to EGA display (in red) and halt |
error_halt: |
movl $0xb8000, %edi # base of EGA text mode memory |
movl $0xb8000, %edi # base of EGA text mode memory |
xorl %eax, %eax |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movw $0x3d4, %dx # read bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
162,7 → 147,7 |
inb %dx, %al |
shl $8, %ax |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movw $0x3d4, %dx # read bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
171,7 → 156,9 |
cmp $1920, %ax |
jbe cursor_ok |
movw $1920, %ax # sanity check for the cursor on the last line |
movw $1920, %ax # sanity check for the cursor on the last line |
cursor_ok: |
movw %ax, %bx |
178,7 → 165,7 |
shl $1, %eax |
addl %eax, %edi |
movw $0x0c00, %ax # black background, light red foreground |
movw $0x0c00, %ax # black background, light red foreground |
ploop: |
lodsb |
185,11 → 172,11 |
cmp $0, %al |
je ploop_end |
stosw |
inc %bx |
inc %bx |
jmp ploop |
ploop_end: |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movw $0x3d4, %dx # write bits 8 - 15 of the cursor address |
movb $0xe, %al |
outb %al, %dx |
197,7 → 184,7 |
movb %bh, %al |
outb %al, %dx |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movw $0x3d4, %dx # write bits 0 - 7 of the cursor address |
movb $0xf, %al |
outb %al, %dx |
204,241 → 191,14 |
movw $0x3d5, %dx |
movb %bl, %al |
outb %al, %dx |
cli |
hlt |
hlt1: |
hlt |
jmp hlt1 |
#ifdef CONFIG_FB |
vesa_init: |
jmp $selector(VESA_INIT_DES), $vesa_init_real - vesa_init |
.code16 |
vesa_init_real: |
mov %cr0, %eax |
and $~1, %eax |
mov %eax, %cr0 |
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init |
vesa_init_real2: |
mov $VESA_INIT_SEGMENT, %bx |
mov %bx, %es |
mov %bx, %fs |
mov %bx, %gs |
mov %bx, %ds |
mov %bx, %ss |
movl %esp, %eax |
movl $0x0000fffc, %esp |
movl $0x0000fffc, %ebp |
pushl %eax |
#define VESA_INFO_SIZE 1024 |
#include "vesa_real.inc" |
#define VESA_MODE_ATTRIBUTES_OFFSET 0 |
#define VESA_MODE_LIST_PTR_OFFSET 14 |
#define VESA_MODE_SCANLINE_OFFSET 16 |
#define VESA_MODE_WIDTH_OFFSET 18 |
#define VESA_MODE_HEIGHT_OFFSET 20 |
#define VESA_MODE_BPP_OFFSET 25 |
#define VESA_MODE_PHADDR_OFFSET 40 |
#define VESA_END_OF_MODES 0xffff |
#define VESA_OK 0x4f |
#define VESA_GET_INFO 0x4f00 |
#define VESA_GET_MODE_INFO 0x4f01 |
#define VESA_SET_MODE 0x4f02 |
#define VESA_SET_PALETTE 0x4f09 |
#if CONFIG_VESA_BPP == 24 |
#define CONFIG_VESA_BPP_VARIANT 32 |
#endif |
mov $VESA_GET_INFO, %ax |
mov $e_vesa_init - vesa_init, %di |
push %di |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz 0f |
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si |
mov %si, %gs |
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si |
add $VESA_INFO_SIZE, %di |
1:# Try next mode |
mov %gs:(%si), %cx |
cmp $VESA_END_OF_MODES, %cx |
jz 0f |
inc %si |
inc %si |
push %cx |
push %di |
push %si |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %si |
pop %di |
pop %cx |
cmp $VESA_OK, %al |
jnz 0f |
mov $CONFIG_VESA_WIDTH, %ax |
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax |
jnz 1b |
mov $CONFIG_VESA_HEIGHT, %ax |
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax |
jnz 1b |
mov $CONFIG_VESA_BPP, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
#ifdef CONFIG_VESA_BPP_VARIANT |
jz 2f |
mov $CONFIG_VESA_BPP_VARIANT, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
#endif |
jnz 1b |
2: |
mov %cx, %bx |
or $0xc000, %bx |
push %di |
mov $VESA_SET_MODE, %ax |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz 0f |
#if CONFIG_VESA_BPP == 8 |
# Set 3:2:3 VGA palette |
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax |
push %di |
mov $vga323 - vesa_init, %di |
mov $0x100, %ecx |
bt $5, %ax # Test if VGA compatible registers are present |
jnc vga_compat |
# Try VESA routine to set palette |
mov $VESA_SET_PALETTE, %ax |
xor %bl, %bl |
xor %dx, %dx |
int $0x10 |
cmp $0x00, %ah |
je vga_not_compat |
vga_compat: |
# Try VGA registers to set palette |
movw $0x3c6, %dx # Set palette mask |
movb $0xff, %al |
outb %al, %dx |
movw $0x3c8, %dx # First index to set |
xor %al, %al |
outb %al, %dx |
movw $0x3c9, %dx # Data port |
vga_loop: |
movb %es:2(%di), %al |
outb %al, %dx |
movb %es:1(%di), %al |
outb %al, %dx |
movb %es:(%di), %al |
outb %al, %dx |
addw $4, %di |
loop vga_loop |
vga_not_compat: |
pop %di |
#endif |
mov VESA_MODE_PHADDR_OFFSET(%di), %esi |
mov VESA_MODE_WIDTH_OFFSET(%di), %ax |
shl $16, %eax |
mov VESA_MODE_HEIGHT_OFFSET(%di), %ax |
mov VESA_MODE_BPP_OFFSET(%di), %bl |
xor %bh, %bh |
shl $16, %ebx |
mov VESA_MODE_SCANLINE_OFFSET(%di), %bx |
mov %eax, %edi |
8: |
mov %cr0, %eax |
or $1, %eax |
mov %eax, %cr0 |
jmp 9f |
9: |
ljmpl $selector(KTEXT_DES), $(vesa_init_protect - vesa_init + VESA_INIT_SEGMENT << 4) |
0:# No prefered mode found |
mov $0x111, %cx |
push %di |
push %cx |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %cx |
pop %di |
cmp $VESA_OK, %al |
jnz 1f |
jz 2b # Force relative jump |
1: |
mov $0x0003, %ax |
int $0x10 |
mov $0xffffffff, %edi # EGA text mode used, because of problems with VESA |
xor %ax, %ax |
jz 8b # Force relative jump |
vga323: |
#include "vga323.pal" |
.code32 |
vesa_init_protect: |
movw $selector(KDATA_DES), %cx |
movw %cx, %es |
movw %cx, %fs |
movw %cx, %gs |
movw %cx, %ds # kernel data + stack |
movw %cx, %ss |
movl $START_STACK, %esp # initialize stack pointer |
jmpl $selector(KTEXT_DES), $vesa_meeting_point |
.align 4 |
e_vesa_init: |
#endif |
.section K_DATA_START, "aw", @progbits |
.align 4096 |
/trunk/kernel/arch/ia32/src/boot/vesa_real.inc |
---|
0,0 → 1,334 |
#ifdef CONFIG_FB |
#include <macros.h> |
#define VESA_INFO_SIZE 1024 |
#define VESA_MODE_ATTRIBUTES_OFFSET 0 |
#define VESA_MODE_LIST_PTR_OFFSET 14 |
#define VESA_MODE_SCANLINE_OFFSET 16 |
#define VESA_MODE_WIDTH_OFFSET 18 |
#define VESA_MODE_HEIGHT_OFFSET 20 |
#define VESA_MODE_BPP_OFFSET 25 |
#define VESA_MODE_PHADDR_OFFSET 40 |
#define VESA_END_OF_MODES 0xffff |
#define VESA_OK 0x4f |
#define VESA_GET_INFO 0x4f00 |
#define VESA_GET_MODE_INFO 0x4f01 |
#define VESA_SET_MODE 0x4f02 |
#define VESA_SET_PALETTE 0x4f09 |
.code32 |
vesa_init: |
jmp $gdtselector(VESA_INIT_DES), $vesa_init_real - vesa_init |
.code16 |
vesa_init_real: |
mov %cr0, %eax |
and $~1, %eax |
mov %eax, %cr0 |
jmp $VESA_INIT_SEGMENT, $vesa_init_real2 - vesa_init |
vesa_init_real2: |
mov $VESA_INIT_SEGMENT, %bx |
mov %bx, %es |
mov %bx, %fs |
mov %bx, %gs |
mov %bx, %ds |
mov %bx, %ss |
movl %esp, %eax |
movl $0x0000fffc, %esp |
movl $0x0000fffc, %ebp |
pushl %eax |
# parse default mode string |
mov $default_mode - vesa_init, %di |
xor %eax, %eax |
xor %ebx, %ebx |
mov $8, %ecx |
parse_width: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_width_done |
cmp $'9', %al |
ja parse_width_done |
sub $'0', %al |
# multiply default_width by 10 and add digit |
mov default_width - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_width - vesa_init |
inc %di |
loop parse_width |
parse_width_done: |
mov (%di), %al |
cmp $0, %al |
jz parse_done |
inc %di |
mov $8, %ecx |
parse_height: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_height_done |
cmp $'9', %al |
ja parse_height_done |
sub $'0', %al |
# multiply default_height by 10 and add digit |
mov default_height - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_height - vesa_init |
inc %di |
loop parse_height |
parse_height_done: |
mov (%di), %al |
cmp $0, %al |
jz parse_done |
inc %di |
mov $4, %ecx |
parse_bpp: |
mov (%di), %al |
# check for digit |
cmp $'0', %al |
jb parse_bpp_done |
cmp $'9', %al |
ja parse_bpp_done |
sub $'0', %al |
# multiply default_bpp by 10 and add digit |
mov default_bpp - vesa_init, %bx |
lea (%ebx, %ebx, 4), %ebx |
shl $1, %ebx |
add %ax, %bx |
mov %bx, default_bpp - vesa_init |
inc %di |
loop parse_bpp |
parse_bpp_done: |
parse_done: |
mov $VESA_GET_INFO, %ax |
mov $e_vesa_init - vesa_init, %di |
push %di |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz no_mode |
mov 2 + VESA_MODE_LIST_PTR_OFFSET(%di), %si |
mov %si, %gs |
mov VESA_MODE_LIST_PTR_OFFSET(%di), %si |
add $VESA_INFO_SIZE, %di |
next_mode: |
# try next mode |
mov %gs:(%si), %cx |
cmp $VESA_END_OF_MODES, %cx |
jz no_mode |
inc %si |
inc %si |
push %cx |
push %di |
push %si |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %si |
pop %di |
pop %cx |
cmp $VESA_OK, %al |
jnz no_mode |
mov default_width - vesa_init, %ax |
cmp VESA_MODE_WIDTH_OFFSET(%di), %ax |
jnz next_mode |
mov default_height - vesa_init, %ax |
cmp VESA_MODE_HEIGHT_OFFSET(%di), %ax |
jnz next_mode |
mov default_bpp - vesa_init, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
jz set_mode |
mov $24, %al |
cmp default_bpp - vesa_init, %al |
jnz next_mode |
# for 24 bpp modes accept also 32 bit bpp |
mov $32, %al |
cmp VESA_MODE_BPP_OFFSET(%di), %al |
jnz next_mode |
set_mode: |
mov %cx, %bx |
or $0xc000, %bx |
push %di |
mov $VESA_SET_MODE, %ax |
int $0x10 |
pop %di |
cmp $VESA_OK, %al |
jnz no_mode |
# set 3:2:3 VGA palette |
mov VESA_MODE_BPP_OFFSET(%di), %al |
cmp $8, %al |
jnz vga_not_set |
mov VESA_MODE_ATTRIBUTES_OFFSET(%di), %ax |
push %di |
mov $vga323 - vesa_init, %di |
mov $0x100, %ecx |
bt $5, %ax # test if VGA compatible registers are present |
jnc vga_compat |
# try VESA routine to set palette |
mov $VESA_SET_PALETTE, %ax |
xor %bl, %bl |
xor %dx, %dx |
int $0x10 |
cmp $0x00, %ah |
je vga_not_compat |
vga_compat: |
# try VGA registers to set palette |
movw $0x3c6, %dx # set palette mask |
movb $0xff, %al |
outb %al, %dx |
movw $0x3c8, %dx # first index to set |
xor %al, %al |
outb %al, %dx |
movw $0x3c9, %dx # data port |
vga_loop: |
movb %es:2(%di), %al |
outb %al, %dx |
movb %es:1(%di), %al |
outb %al, %dx |
movb %es:(%di), %al |
outb %al, %dx |
addw $4, %di |
loop vga_loop |
vga_not_compat: |
pop %di |
vga_not_set: |
mov VESA_MODE_PHADDR_OFFSET(%di), %esi |
mov VESA_MODE_WIDTH_OFFSET(%di), %ax |
shl $16, %eax |
mov VESA_MODE_HEIGHT_OFFSET(%di), %ax |
mov VESA_MODE_BPP_OFFSET(%di), %bl |
xor %bh, %bh |
shl $16, %ebx |
mov VESA_MODE_SCANLINE_OFFSET(%di), %bx |
mov %eax, %edi |
vesa_leave_real: |
mov %cr0, %eax |
or $1, %eax |
mov %eax, %cr0 |
jmp vesa_leave_real2 |
vesa_leave_real2: |
ljmpl $gdtselector(KTEXT32_DES), $(vesa_init_protected - vesa_init + VESA_INIT_SEGMENT << 4) |
no_mode: |
# no prefered mode found |
mov $0x111, %cx |
push %di |
push %cx |
mov $VESA_GET_MODE_INFO, %ax |
int $0x10 |
pop %cx |
pop %di |
cmp $VESA_OK, %al |
jnz text_mode |
jz set_mode # force relative jump |
text_mode: |
# reset to EGA text mode (because of problems with VESA) |
mov $0x0003, %ax |
int $0x10 |
mov $0xffffffff, %edi |
xor %ax, %ax |
jz vesa_leave_real # force relative jump |
vga323: |
#include "vga323.pal" |
default_width: |
.word 0 |
default_height: |
.word 0 |
default_bpp: |
.byte 0 |
default_mode: |
.ascii STRING(CONFIG_VESA_MODE) |
.ascii "-" |
.asciz STRING(CONFIG_VESA_BPP) |
#include "vesa_ret.inc" |
.align 4 |
e_vesa_init: |
#endif |
/trunk/kernel/arch/ia32/src/boot/vesa_prot.inc |
---|
0,0 → 1,18 |
#ifdef CONFIG_FB |
mov $vesa_init, %esi |
mov $VESA_INIT_SEGMENT << 4, %edi |
mov $e_vesa_init - vesa_init, %ecx |
rep movsb |
mov $VESA_INIT_SEGMENT << 4, %edi |
jmpl *%edi |
vesa_meeting_point: |
mov %esi, KA2PA(vesa_ph_addr) |
mov %di, KA2PA(vesa_height) |
shr $16, %edi |
mov %di, KA2PA(vesa_width) |
mov %bx, KA2PA(vesa_scanline) |
shr $16, %ebx |
mov %bx, KA2PA(vesa_bpp) |
#endif |
/trunk/HelenOS.config |
---|
420,32 → 420,23 |
% Framebuffer support |
! [(CONFIG_HID_OUT=generic|CONFIG_HID_OUT=monitor)&PLATFORM=sparc64&MACHINE=generic] CONFIG_FB (y/n) |
% Framebuffer width |
@ "640" |
@ "800" |
@ "1024" |
@ "1152" |
@ "1280" |
@ "1400" |
@ "1440" |
@ "1600" |
@ "2048" |
! [(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_VESA_WIDTH (choice) |
% Default framebuffer mode |
@ "640x480" |
@ "800x600" |
@ "1024x768" |
@ "1152x720" |
@ "1152x864" |
@ "1280x960" |
@ "1280x1024" |
@ "1400x1050" |
@ "1440x900" |
@ "1440x1050" |
@ "1600x1200" |
@ "1920x1080" |
@ "1920x1200" |
! [(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_VESA_MODE (choice) |
% Framebuffer height |
@ "480" |
@ "600" |
@ "768" |
@ "852" |
@ "900" |
@ "960" |
@ "1024" |
@ "1050" |
@ "1200" |
@ "1536" |
! [(PLATFORM=ia32|PLATFORM=amd64)&CONFIG_HID_OUT!=none&CONFIG_FB=y] CONFIG_VESA_HEIGHT (choice) |
% Framebuffer depth |
% Default framebuffer depth |
@ "8" |
@ "16" |
@ "24" |
/trunk/defaults/amd64/Makefile.config |
---|
49,13 → 49,10 |
# Framebuffer support |
CONFIG_FB = y |
# Framebuffer width |
CONFIG_VESA_WIDTH = 800 |
# Default framebuffer mode |
CONFIG_VESA_MODE = 800x600 |
# Framebuffer height |
CONFIG_VESA_HEIGHT = 600 |
# Framebuffer depth |
# Default framebuffer depth |
CONFIG_VESA_BPP = 16 |
# Keyboard layout |
/trunk/defaults/ia32/Makefile.config |
---|
55,13 → 55,10 |
# Framebuffer support |
CONFIG_FB = y |
# Framebuffer width |
CONFIG_VESA_WIDTH = 800 |
# Default framebuffer mode |
CONFIG_VESA_MODE = 800x600 |
# Framebuffer height |
CONFIG_VESA_HEIGHT = 600 |
# Framebuffer depth |
# Default framebuffer depth |
CONFIG_VESA_BPP = 16 |
# Keyboard layout |