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| author | Your Name <you@example.com> | 2020-06-23 19:31:26 +0200 |
|---|---|---|
| committer | Your Name <you@example.com> | 2020-06-23 19:31:26 +0200 |
| commit | 86add5103e8b80a5ba614c1d4986b67ffb073953 (patch) | |
| tree | 338e0af49c5093cef88485509fc4fce8010da79e /src/bootloader/utils/irq.s | |
| parent | Format: added kernel includes to pOS.h instead of kernel.cpp (diff) | |
| download | pOS-86add5103e8b80a5ba614c1d4986b67ffb073953.tar.gz pOS-86add5103e8b80a5ba614c1d4986b67ffb073953.tar.bz2 pOS-86add5103e8b80a5ba614c1d4986b67ffb073953.zip | |
Base: Added support for interrupts and exception handlers
Diffstat (limited to 'src/bootloader/utils/irq.s')
| -rw-r--r-- | src/bootloader/utils/irq.s | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/bootloader/utils/irq.s b/src/bootloader/utils/irq.s new file mode 100644 index 0000000..c485613 --- /dev/null +++ b/src/bootloader/utils/irq.s @@ -0,0 +1,157 @@ +global irq0 +global irq1 +global irq2 +global irq3 +global irq4 +global irq5 +global irq6 +global irq7 +global irq8 +global irq9 +global irq10 +global irq11 +global irq12 +global irq13 +global irq14 +global irq15 + +; 32: IRQ0 +irq0: + cli + push byte 0 + push byte 32 + jmp irq_common_stub + +; 33: IRQ1 +irq1: + cli + push byte 0 + push byte 33 + jmp irq_common_stub + +; 34: IRQ2 +irq2: + cli + push byte 0 + push byte 34 + jmp irq_common_stub + +; 35: IRQ3 +irq3: + cli + push byte 0 + push byte 35 + jmp irq_common_stub + +; 36: IRQ4 +irq4: + cli + push byte 0 + push byte 36 + jmp irq_common_stub + +; 37: IRQ5 +irq5: + cli + push byte 0 + push byte 37 + jmp irq_common_stub + +; 38: IRQ6 +irq6: + cli + push byte 0 + push byte 38 + jmp irq_common_stub + +; 39: IRQ7 +irq7: + cli + push byte 0 + push byte 39 + jmp irq_common_stub + +; 40: IRQ8 +irq8: + cli + push byte 0 + push byte 40 + jmp irq_common_stub + +; 41: IRQ9 +irq9: + cli + push byte 0 + push byte 41 + jmp irq_common_stub + +; 42: IRQ10 +irq10: + cli + push byte 0 + push byte 42 + jmp irq_common_stub + +; 43: IRQ11 +irq11: + cli + push byte 0 + push byte 43 + jmp irq_common_stub + +; 44: IRQ12 +irq12: + cli + push byte 0 + push byte 44 + jmp irq_common_stub + +; 45: IRQ13 +irq13: + cli + push byte 0 + push byte 45 + jmp irq_common_stub + +; 46: IRQ14 +irq14: + cli + push byte 0 + push byte 46 + jmp irq_common_stub + +; 47: IRQ15 +irq15: + cli + push byte 0 + push byte 47 + jmp irq_common_stub + +extern irq_handler + +irq_common_stub: + pusha + push ds + push es + push fs + push gs + + mov ax, 0x10 + mov ds, ax + mov es, ax + mov fs, ax + mov gs, ax + mov eax, esp + + push eax + mov eax, irq_handler + call eax + pop eax + + pop gs + pop fs + pop es + pop ds + popa + add esp, 8 + iret |