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More tasking implementation

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This commit is contained in:
Alex
2022-10-21 05:31:50 +03:00
parent 7477c55ccd
commit ebd0273a99
12 changed files with 347 additions and 84 deletions
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44
include/cpu.hpp
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@ -728,6 +728,8 @@ namespace CPU
typedef enum
{
/* ISR */
ISR0 = 0x0, // Divide-by-zero Error
ISR1 = 0x1, // Debug
ISR2 = 0x2, // Non-maskable Interrupt
@ -761,26 +763,29 @@ namespace CPU
ISR30 = 0x1e, // Security Exception
ISR31 = 0x1f, // Reserved
IRQ0 = 0x20, // Programmable Interrupt Timer Interrupt
IRQ1 = 0x21, // Keyboard Interrupt
IRQ2 = 0x22, // Cascade (used internally by the two PICs. never raised)
IRQ3 = 0x23, // COM2 (if enabled)
IRQ4 = 0x24, // COM1 (if enabled)
IRQ5 = 0x25, // LPT2 (if enabled)
IRQ6 = 0x26, // Floppy Disk
IRQ7 = 0x27, // LPT1 / Unreliable "spurious" interrupt (usually)
IRQ8 = 0x28, // CMOS real-time clock (if enabled)
IRQ9 = 0x29, // Free for peripherals / legacy SCSI / NIC
IRQ10 = 0x2a, // Free for peripherals / SCSI / NIC
IRQ11 = 0x2b, // Free for peripherals / SCSI / NIC
IRQ12 = 0x2c, // PS2 Mouse
IRQ13 = 0x2d, // FPU / Coprocessor / Inter-processor
IRQ14 = 0x2e, // Primary ATA Hard Disk
IRQ15 = 0x2f, // Secondary ATA Hard Disk
/* IRQ */
IRQ16 = 0x30, // Reserved for multitasking
IRQ17 = 0x31, // Reserved for monotasking
IRQ0 = 0x20, // Programmable Interrupt Timer Interrupt
IRQ1 = 0x21, // Keyboard Interrupt
IRQ2 = 0x22, // Cascade (used internally by the two PICs. never raised)
IRQ3 = 0x23, // COM2 (if enabled)
IRQ4 = 0x24, // COM1 (if enabled)
IRQ5 = 0x25, // LPT2 (if enabled)
IRQ6 = 0x26, // Floppy Disk
IRQ7 = 0x27, // LPT1 / Unreliable "spurious" interrupt (usually)
IRQ8 = 0x28, // CMOS real-time clock (if enabled)
IRQ9 = 0x29, // Free for peripherals / legacy SCSI / NIC
IRQ10 = 0x2a, // Free for peripherals / SCSI / NIC
IRQ11 = 0x2b, // Free for peripherals / SCSI / NIC
IRQ12 = 0x2c, // PS2 Mouse
IRQ13 = 0x2d, // FPU / Coprocessor / Inter-processor
IRQ14 = 0x2e, // Primary ATA Hard Disk
IRQ15 = 0x2f, // Secondary ATA Hard Disk
/* Reserved by OS */
IRQ16 = 0x30, // Reserved for multitasking
IRQ17 = 0x31,
IRQ18 = 0x32,
IRQ19 = 0x33,
IRQ20 = 0x34,
@ -793,6 +798,9 @@ namespace CPU
IRQ27 = 0x3b,
IRQ28 = 0x3c,
IRQ29 = 0x3d,
/* Free */
IRQ30 = 0x3e,
IRQ31 = 0x3f,
IRQ32 = 0x40,