diff options
author | Brian Paul <brian.paul@tungstengraphics.com> | 2003-06-16 14:32:44 +0000 |
---|---|---|
committer | Brian Paul <brian.paul@tungstengraphics.com> | 2003-06-16 14:32:44 +0000 |
commit | 642699a19f1c07336a6fadacd6d5a9028f5d346f (patch) | |
tree | 6664c6c8937aba9a8d96a8a6a7c0ddc74151e04e /src/glut/dos/PC_HW/pc_irq.S | |
parent | 710207c46f523ca3607c522ffa45a7c07a3354b4 (diff) |
DOS updates for new tree (Daniel Borca)
Diffstat (limited to 'src/glut/dos/PC_HW/pc_irq.S')
-rw-r--r-- | src/glut/dos/PC_HW/pc_irq.S | 364 |
1 files changed, 182 insertions, 182 deletions
diff --git a/src/glut/dos/PC_HW/pc_irq.S b/src/glut/dos/PC_HW/pc_irq.S index 7f0b747d34..6d99bd805e 100644 --- a/src/glut/dos/PC_HW/pc_irq.S +++ b/src/glut/dos/PC_HW/pc_irq.S @@ -1,182 +1,182 @@ -/*
- * PC/HW routine collection v1.3 for DOS/DJGPP
- *
- * Copyright (C) 2002 - Borca Daniel
- * Email : dborca@yahoo.com
- * Web : http://www.geocities.com/dborca
- */
-
-
- .file "pc_irq.S"
-
- .text
-
-#define IRQ_STACK_SIZE 16384
-
-#define IRQ_WRAPPER_LEN (__irq_wrapper_1-__irq_wrapper_0)
-#define IRQ_OLD (__irq_old_0-__irq_wrapper_0)
-#define IRQ_HOOK (__irq_hook_0-__irq_wrapper_0)
-#define IRQ_STACK (__irq_stack_0-__irq_wrapper_0)
-
- .balign 4
-common:
- movw $0x0400, %ax
- int $0x31
-
- movl %ss:8(%ebp), %ebx
- cmpl $15, %ebx
- jbe 0f
- fail:
- orl $-1, %eax
- popl %edi
- popl %ebx
- leave
- ret
-
- 0:
- movl %ebx, %edi
- imull $IRQ_WRAPPER_LEN, %edi
- addl $__irq_wrapper_0, %edi
-
- cmpb $7, %bl
- jbe 1f
- movb %dl, %dh
- subb $8, %dh
- 1:
- addb %dh, %bl
- ret
-
- .balign 4
- .global _pc_install_irq
-_pc_install_irq:
- pushl %ebp
- movl %esp, %ebp
- pushl %ebx
- pushl %edi
-
- call common
-
- cmpl $0, IRQ_HOOK(%edi)
- jne fail
-
- pushl $IRQ_WRAPPER_LEN
- pushl %edi
- call __go32_dpmi_lock_code
- addl $8, %esp
- testl %eax, %eax
- jnz fail
-
- pushl $IRQ_STACK_SIZE
- call _pc_malloc
- popl %edx
- testl %eax, %eax
- jz fail
- addl %edx, %eax
- movl %eax, IRQ_STACK(%edi)
-
- movl ___djgpp_ds_alias, %eax
- movl %eax, IRQ_STACK+4(%edi)
-
- movl %ss:12(%ebp), %eax
- movl %eax, IRQ_HOOK(%edi)
-
- movw $0x0204, %ax
- int $0x31
- movl %edx, IRQ_OLD(%edi)
- movw %cx, IRQ_OLD+4(%edi)
- movw $0x0205, %ax
- movl %edi, %edx
- movl %cs, %ecx
- int $0x31
-
- done:
- xorl %eax, %eax
- popl %edi
- popl %ebx
- leave
- ret
-
- .balign 4
- .global _pc_remove_irq
-_pc_remove_irq:
- pushl %ebp
- movl %esp, %ebp
- pushl %ebx
- pushl %edi
-
- call common
-
- cmpl $0, IRQ_HOOK(%edi)
- je fail
-
- movl $0, IRQ_HOOK(%edi)
-
- movw $0x0205, %ax
- movl IRQ_OLD(%edi), %edx
- movl IRQ_OLD+4(%edi), %ecx
- int $0x31
-
- movl IRQ_STACK(%edi), %eax
- subl $IRQ_STACK_SIZE, %eax
- pushl %eax
- call _free
- popl %eax
-
- jmp done
-
-#define WRAPPER(x) ; \
- .balign 4 ; \
-__irq_wrapper_##x: ; \
- pushal ; \
- pushl %ds ; \
- pushl %es ; \
- pushl %fs ; \
- pushl %gs ; \
- movl %ss, %ebx ; \
- movl %esp, %esi ; \
- lss %cs:__irq_stack_##x, %esp ; \
- pushl %ss ; \
- pushl %ss ; \
- popl %es ; \
- popl %ds ; \
- movl ___djgpp_dos_sel, %fs ; \
- pushl %fs ; \
- popl %gs ; \
- call *__irq_hook_##x ; \
- movl %ebx, %ss ; \
- movl %esi, %esp ; \
- testl %eax, %eax ; \
- popl %gs ; \
- popl %fs ; \
- popl %es ; \
- popl %ds ; \
- popal ; \
- jz __irq_ignore_##x ; \
-__irq_bypass_##x: ; \
- ljmp *%cs:__irq_old_##x ; \
-__irq_ignore_##x: ; \
- iret ; \
- .balign 4 ; \
-__irq_old_##x: ; \
- .long 0, 0 ; \
-__irq_hook_##x: ; \
- .long 0 ; \
-__irq_stack_##x: ; \
- .long 0, 0
-
- WRAPPER(0);
- WRAPPER(1);
- WRAPPER(2);
- WRAPPER(3);
- WRAPPER(4);
- WRAPPER(5);
- WRAPPER(6);
- WRAPPER(7);
- WRAPPER(8);
- WRAPPER(9);
- WRAPPER(10);
- WRAPPER(11);
- WRAPPER(12);
- WRAPPER(13);
- WRAPPER(14);
- WRAPPER(15);
+/* + * PC/HW routine collection v1.3 for DOS/DJGPP + * + * Copyright (C) 2002 - Borca Daniel + * Email : dborca@yahoo.com + * Web : http://www.geocities.com/dborca + */ + + + .file "pc_irq.S" + + .text + +#define IRQ_STACK_SIZE 16384 + +#define IRQ_WRAPPER_LEN (__irq_wrapper_1-__irq_wrapper_0) +#define IRQ_OLD (__irq_old_0-__irq_wrapper_0) +#define IRQ_HOOK (__irq_hook_0-__irq_wrapper_0) +#define IRQ_STACK (__irq_stack_0-__irq_wrapper_0) + + .balign 4 +common: + movw $0x0400, %ax + int $0x31 + + movl %ss:8(%ebp), %ebx + cmpl $15, %ebx + jbe 0f + fail: + orl $-1, %eax + popl %edi + popl %ebx + leave + ret + + 0: + movl %ebx, %edi + imull $IRQ_WRAPPER_LEN, %edi + addl $__irq_wrapper_0, %edi + + cmpb $7, %bl + jbe 1f + movb %dl, %dh + subb $8, %dh + 1: + addb %dh, %bl + ret + + .balign 4 + .global _pc_install_irq +_pc_install_irq: + pushl %ebp + movl %esp, %ebp + pushl %ebx + pushl %edi + + call common + + cmpl $0, IRQ_HOOK(%edi) + jne fail + + pushl $IRQ_WRAPPER_LEN + pushl %edi + call __go32_dpmi_lock_code + addl $8, %esp + testl %eax, %eax + jnz fail + + pushl $IRQ_STACK_SIZE + call _pc_malloc + popl %edx + testl %eax, %eax + jz fail + addl %edx, %eax + movl %eax, IRQ_STACK(%edi) + + movl ___djgpp_ds_alias, %eax + movl %eax, IRQ_STACK+4(%edi) + + movl %ss:12(%ebp), %eax + movl %eax, IRQ_HOOK(%edi) + + movw $0x0204, %ax + int $0x31 + movl %edx, IRQ_OLD(%edi) + movw %cx, IRQ_OLD+4(%edi) + movw $0x0205, %ax + movl %edi, %edx + movl %cs, %ecx + int $0x31 + + done: + xorl %eax, %eax + popl %edi + popl %ebx + leave + ret + + .balign 4 + .global _pc_remove_irq +_pc_remove_irq: + pushl %ebp + movl %esp, %ebp + pushl %ebx + pushl %edi + + call common + + cmpl $0, IRQ_HOOK(%edi) + je fail + + movl $0, IRQ_HOOK(%edi) + + movw $0x0205, %ax + movl IRQ_OLD(%edi), %edx + movl IRQ_OLD+4(%edi), %ecx + int $0x31 + + movl IRQ_STACK(%edi), %eax + subl $IRQ_STACK_SIZE, %eax + pushl %eax + call _free + popl %eax + + jmp done + +#define WRAPPER(x) ; \ + .balign 4 ; \ +__irq_wrapper_##x: ; \ + pushal ; \ + pushl %ds ; \ + pushl %es ; \ + pushl %fs ; \ + pushl %gs ; \ + movl %ss, %ebx ; \ + movl %esp, %esi ; \ + lss %cs:__irq_stack_##x, %esp ; \ + pushl %ss ; \ + pushl %ss ; \ + popl %es ; \ + popl %ds ; \ + movl ___djgpp_dos_sel, %fs ; \ + pushl %fs ; \ + popl %gs ; \ + call *__irq_hook_##x ; \ + movl %ebx, %ss ; \ + movl %esi, %esp ; \ + testl %eax, %eax ; \ + popl %gs ; \ + popl %fs ; \ + popl %es ; \ + popl %ds ; \ + popal ; \ + jz __irq_ignore_##x ; \ +__irq_bypass_##x: ; \ + ljmp *%cs:__irq_old_##x ; \ +__irq_ignore_##x: ; \ + iret ; \ + .balign 4 ; \ +__irq_old_##x: ; \ + .long 0, 0 ; \ +__irq_hook_##x: ; \ + .long 0 ; \ +__irq_stack_##x: ; \ + .long 0, 0 + + WRAPPER(0); + WRAPPER(1); + WRAPPER(2); + WRAPPER(3); + WRAPPER(4); + WRAPPER(5); + WRAPPER(6); + WRAPPER(7); + WRAPPER(8); + WRAPPER(9); + WRAPPER(10); + WRAPPER(11); + WRAPPER(12); + WRAPPER(13); + WRAPPER(14); + WRAPPER(15); |