mirror of
https://github.com/isometimes/rpi4-osdev
synced 2024-09-20 05:42:56 +00:00
59 lines
1.2 KiB
C
59 lines
1.2 KiB
C
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#include "kernel.h"
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#include "../include/fb.h"
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char *entry_error_messages[] = {
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"SYNC_INVALID_EL1t",
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"IRQ_INVALID_EL1t",
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"FIQ_INVALID_EL1t",
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"ERROR_INVALID_EL1T",
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"SYNC_INVALID_EL1h",
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"IRQ_INVALID_EL1h",
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"FIQ_INVALID_EL1h",
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"ERROR_INVALID_EL1h",
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"SYNC_INVALID_EL0_64",
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"IRQ_INVALID_EL0_64",
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"FIQ_INVALID_EL0_64",
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"ERROR_INVALID_EL0_64",
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"SYNC_INVALID_EL0_32",
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"IRQ_INVALID_EL0_32",
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"FIQ_INVALID_EL0_32",
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"ERROR_INVALID_EL0_32"
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};
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void enable_interrupt_controller() {
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REGS_IRQ->irq0_enable_0 = SYS_TIMER_IRQ_1 | SYS_TIMER_IRQ_3;
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}
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void disable_interrupt_controller() {
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REGS_IRQ->irq0_enable_0 = 0;
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}
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void show_invalid_entry_message(int type, unsigned long esr, unsigned long address) {
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debugstr(entry_error_messages[type]);
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debugstr(" ESR: ");
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debughex(esr);
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debugstr("Addr: ");
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debughex(address);
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}
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void handle_irq() {
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unsigned int irq = REGS_IRQ->irq0_pending_0;
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while(irq) {
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if (irq & SYS_TIMER_IRQ_1) {
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irq &= ~SYS_TIMER_IRQ_1;
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handle_timer_1();
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}
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if (irq & SYS_TIMER_IRQ_3) {
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irq &= ~SYS_TIMER_IRQ_3;
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handle_timer_3();
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}
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}
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}
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