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Optimize ISRs to take less space

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This commit is contained in:
Baptiste Wicht 2013-12-08 21:35:38 +01:00
parent 29bf691713
commit 03e21e8b37
1 changed files with 138 additions and 36 deletions
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174
micro_kernel/interrupts.asm
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@ -52,7 +52,6 @@ _isr%1:
; Disable interruptions to avoid being interrupted
cli
mov r10, [rsp] ; error code
mov r11, [rsp+8] ; saved rip
lea rdi, [12 * 8 * 0x14 + 30 * 2 + TRAM]
@ -80,38 +79,9 @@ _isr%1:
mov r8, rsp
call print_int
; More informations for some specific exceptions
mov rax, %1
cmp rax, 14
jne .end
.page_fault_exception:
; print cr2
lea rdi, [15 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, cr2_str
call print_string
lea rdi, [15 * 8 * 0x14 + 35 * 2 + TRAM]
mov r8, cr2
call print_int
; print error code
lea rdi, [16 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, error_code_str
call print_string
lea rdi, [16 * 8 * 0x14 + 30 * 2 + TRAM + error_code_str_length * 2]
mov r8, r10
call print_int
.end:
; Simply halt the CPU because we don't know how to solve the problem
hlt
iretq
%endmacro
@ -190,11 +160,143 @@ _irq%1:
mov dword [rdi+12], 0 ; zero
%endmacro
%assign i 0
%rep 32
CREATE_ISR i
%assign i i+1
%endrep
; Custom ISRs
_isr13:
; Disable interruptions to avoid being interrupted
cli
mov r10, [rsp] ; error code
mov r11, [rsp+8] ; saved rip
lea rdi, [12 * 8 * 0x14 + 30 * 2 + TRAM]
mov dl, STYLE(RED_F, WHITE_B)
mov rbx, isr13_msg
call print_string
; print rip
lea rdi, [13 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, rip_str
call print_string
lea rdi, [13* 8 * 0x14 + 35 * 2 + TRAM]
mov r8, r11
call print_int
; print rsp
lea rdi, [14 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, rsp_str
call print_string
lea rdi, [14 * 8 * 0x14 + 35 * 2 + TRAM]
mov r8, rsp
call print_int
; print error code
lea rdi, [15 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, error_code_str
call print_string
lea rdi, [15 * 8 * 0x14 + 30 * 2 + TRAM + error_code_str_length * 2]
mov r8, r10
call print_int
; Simply halt the CPU because we don't know how to solve the problem
hlt
iretq
_isr14:
; Disable interruptions to avoid being interrupted
cli
mov r10, [rsp] ; error code
mov r11, [rsp+8] ; saved rip
lea rdi, [12 * 8 * 0x14 + 30 * 2 + TRAM]
mov dl, STYLE(RED_F, WHITE_B)
mov rbx, isr14_msg
call print_string
; print rip
lea rdi, [13 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, rip_str
call print_string
lea rdi, [13* 8 * 0x14 + 35 * 2 + TRAM]
mov r8, r11
call print_int
; print rsp
lea rdi, [14 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, rsp_str
call print_string
lea rdi, [14 * 8 * 0x14 + 35 * 2 + TRAM]
mov r8, rsp
call print_int
; print cr2
lea rdi, [15 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, cr2_str
call print_string
lea rdi, [15 * 8 * 0x14 + 35 * 2 + TRAM]
mov r8, cr2
call print_int
; print error code
lea rdi, [16 * 8 * 0x14 + 30 * 2 + TRAM]
mov rbx, error_code_str
call print_string
lea rdi, [16 * 8 * 0x14 + 30 * 2 + TRAM + error_code_str_length * 2]
mov r8, r10
call print_int
; Simply halt the CPU because we don't know how to solve the problem
hlt
iretq
; Normal ISRs
CREATE_ISR 0
CREATE_ISR 1
CREATE_ISR 2
CREATE_ISR 3
CREATE_ISR 4
CREATE_ISR 5
CREATE_ISR 6
CREATE_ISR 7
CREATE_ISR 8
CREATE_ISR 9
CREATE_ISR 10
CREATE_ISR 11
CREATE_ISR 12
CREATE_ISR 15
CREATE_ISR 16
CREATE_ISR 17
CREATE_ISR 18
CREATE_ISR 19
CREATE_ISR 20
CREATE_ISR 21
CREATE_ISR 22
CREATE_ISR 23
CREATE_ISR 24
CREATE_ISR 25
CREATE_ISR 26
CREATE_ISR 27
CREATE_ISR 28
CREATE_ISR 29
CREATE_ISR 30
CREATE_ISR 31
%assign i 0
%rep 16