xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
63 lines
1.4 KiB
ArmAsm
63 lines
1.4 KiB
ArmAsm
/* IDT assembly stubs — SAS-R0 interrupt vectors */
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.section .text
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.macro isr_no_err n
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.global isr_stub_\n
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.type isr_stub_\n, @function
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isr_stub_\n:
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pushq $0
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pushq $\n
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jmp isr_common
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.endm
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.macro isr_err n
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.global isr_stub_\n
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.type isr_stub_\n, @function
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isr_stub_\n:
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pushq $\n
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jmp isr_common
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.endm
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/* Exceptions 0-31 */
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isr_no_err 0; isr_no_err 1; isr_no_err 2; isr_no_err 3
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isr_no_err 4; isr_no_err 5; isr_no_err 6; isr_no_err 7
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isr_err 8; isr_no_err 9; isr_err 10; isr_err 11
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isr_err 12; isr_err 13; isr_err 14; isr_no_err 15
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isr_no_err 16; isr_err 17; isr_no_err 18; isr_no_err 19
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isr_no_err 20; isr_no_err 21; isr_no_err 22; isr_no_err 23
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isr_no_err 24; isr_no_err 25; isr_no_err 26; isr_no_err 27
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isr_no_err 28; isr_no_err 29; isr_err 30; isr_no_err 31
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/* IRQ 32-47 */
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isr_no_err 32; isr_no_err 33; isr_no_err 34; isr_no_err 35
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isr_no_err 36; isr_no_err 37; isr_no_err 38; isr_no_err 39
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isr_no_err 40; isr_no_err 41; isr_no_err 42; isr_no_err 43
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isr_no_err 44; isr_no_err 45; isr_no_err 46; isr_no_err 47
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/* Common ISR */
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isr_common:
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pushq %rdi
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pushq %rsi
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pushq %rdx
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pushq %rcx
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pushq %rax
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pushq %r8
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pushq %r9
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pushq %r10
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pushq %r11
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movq %rsp, %rdi
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call idt_handler
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popq %r11
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popq %r10
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popq %r9
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popq %r8
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popq %rax
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popq %rcx
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popq %rdx
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popq %rsi
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popq %rdi
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addq $16, %rsp
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iretq
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