diff options
Diffstat (limited to 'include/05.irq')
| -rw-r--r-- | include/05.irq/idt.c | 83 | ||||
| -rw-r--r-- | include/05.irq/idt1.c | 4 | ||||
| -rw-r--r-- | include/05.irq/idt2.c | 1 | ||||
| -rw-r--r-- | include/05.irq/idt3.c | 2 | ||||
| -rw-r--r-- | include/05.irq/idt4.c | 9 | ||||
| -rw-r--r-- | include/05.irq/idt5.c | 4 | ||||
| -rw-r--r-- | include/05.irq/idt6.c | 14 | ||||
| -rw-r--r-- | include/05.irq/idt7.c | 37 | ||||
| -rw-r--r-- | include/05.irq/idt8.c | 2 | ||||
| -rw-r--r-- | include/05.irq/idt9.c | 2 |
10 files changed, 158 insertions, 0 deletions
diff --git a/include/05.irq/idt.c b/include/05.irq/idt.c new file mode 100644 index 0000000..f73d574 --- /dev/null +++ b/include/05.irq/idt.c @@ -0,0 +1,83 @@ +#include<source/idt.h> +#include<types.h> +#include<source/irq.h> +#include<asm.h> + +extern void load_idt(struct idt_pointer *idtp); + +struct idt_entry idt[256]; +struct idt_pointer idtp; + +void init_idt_entry(size_t num, uint32_t offset, uint16_t selector, uint8_t + type_attr) +{ + idt[num].offset1=(uint16_t)(offset & 0xffff); + idt[num].selector=selector; + idt[num].zero=0; + idt[num].type_attr=type_attr; + idt[num].offset2=(uint16_t)((offset & 0xffff0000)>>16); +} + +void add_idt_entry(size_t num, uint32_t offset) +{ + init_idt_entry(num,offset,KERNEL_CODE,INTERRUPT_GATE_32); +} + +void init_pic(void) +{ + ioport_out(PIC1_COMMAND_PORT, 0x11); + ioport_out(PIC2_COMMAND_PORT, 0x11); + ioport_out(PIC1_DATA_PORT, 0x20); + ioport_out(PIC2_DATA_PORT, 0x28); + ioport_out(PIC1_DATA_PORT, 0x04); + ioport_out(PIC2_DATA_PORT, 0x02); + ioport_out(PIC1_DATA_PORT, 0x01); + ioport_out(PIC2_DATA_PORT, 0x01); + ioport_out(PIC1_DATA_PORT, 0xff); + ioport_out(PIC2_DATA_PORT, 0xff); + ioport_out(PIC1_DATA_PORT, 0xFC); +} + +void init_idt_table(void) +{ + init_pic(); + add_idt_entry(0,(uint32_t)irq0); + add_idt_entry(1,(uint32_t)irq1); + add_idt_entry(2,(uint32_t)irq2); + add_idt_entry(3,(uint32_t)irq3); + add_idt_entry(4,(uint32_t)irq4); + add_idt_entry(5,(uint32_t)irq5); + add_idt_entry(6,(uint32_t)irq6); + add_idt_entry(7,(uint32_t)irq7); + add_idt_entry(8,(uint32_t)irq8); + add_idt_entry(9,(uint32_t)irq9); + add_idt_entry(10,(uint32_t)irq10); + add_idt_entry(11,(uint32_t)irq11); + add_idt_entry(12,(uint32_t)irq12); + add_idt_entry(13,(uint32_t)irq13); + add_idt_entry(14,(uint32_t)irq14); + add_idt_entry(15,(uint32_t)irq15); + add_idt_entry(16,(uint32_t)irq16); + add_idt_entry(17,(uint32_t)irq17); + add_idt_entry(18,(uint32_t)irq18); + add_idt_entry(19,(uint32_t)irq19); + add_idt_entry(20,(uint32_t)irq20); + add_idt_entry(21,(uint32_t)irq21); + add_idt_entry(22,(uint32_t)irq22); + add_idt_entry(23,(uint32_t)irq23); + add_idt_entry(24,(uint32_t)irq24); + add_idt_entry(25,(uint32_t)irq25); + add_idt_entry(26,(uint32_t)irq26); + add_idt_entry(27,(uint32_t)irq27); + add_idt_entry(28,(uint32_t)irq28); + add_idt_entry(29,(uint32_t)irq29); + add_idt_entry(30,(uint32_t)irq30); + add_idt_entry(31,(uint32_t)irq31); + add_idt_entry(32,(uint32_t)timer_irq); + add_idt_entry(33,(uint32_t)keyboard_irq); + + idtp.size=sizeof(struct idt_entry)*256-1; + idtp.offset=(uint32_t)&idt; + + load_idt(&idtp); +} diff --git a/include/05.irq/idt1.c b/include/05.irq/idt1.c new file mode 100644 index 0000000..991abe3 --- /dev/null +++ b/include/05.irq/idt1.c @@ -0,0 +1,4 @@ +#include<source/idt.h> +#include<types.h> +#include<source/irq.h> +#include<asm.h> diff --git a/include/05.irq/idt2.c b/include/05.irq/idt2.c new file mode 100644 index 0000000..f284e8b --- /dev/null +++ b/include/05.irq/idt2.c @@ -0,0 +1 @@ +extern void load_idt(struct idt_pointer *idtp); diff --git a/include/05.irq/idt3.c b/include/05.irq/idt3.c new file mode 100644 index 0000000..28b2298 --- /dev/null +++ b/include/05.irq/idt3.c @@ -0,0 +1,2 @@ +struct idt_entry idt[256]; +struct idt_pointer idtp; diff --git a/include/05.irq/idt4.c b/include/05.irq/idt4.c new file mode 100644 index 0000000..e0d97ff --- /dev/null +++ b/include/05.irq/idt4.c @@ -0,0 +1,9 @@ +void init_idt_entry(size_t num, uint32_t offset, uint16_t selector, uint8_t + type_attr) +{ + idt[num].offset1=(uint16_t)(offset & 0xffff); + idt[num].selector=selector; + idt[num].zero=0; + idt[num].type_attr=type_attr; + idt[num].offset2=(uint16_t)((offset & 0xffff0000)>>16); +} diff --git a/include/05.irq/idt5.c b/include/05.irq/idt5.c new file mode 100644 index 0000000..0e0e2ea --- /dev/null +++ b/include/05.irq/idt5.c @@ -0,0 +1,4 @@ +void add_idt_entry(size_t num, uint32_t offset) +{ + init_idt_entry(num,offset,KERNEL_CODE,INTERRUPT_GATE_32); +} diff --git a/include/05.irq/idt6.c b/include/05.irq/idt6.c new file mode 100644 index 0000000..eae37fa --- /dev/null +++ b/include/05.irq/idt6.c @@ -0,0 +1,14 @@ +void init_pic(void) +{ + ioport_out(PIC1_COMMAND_PORT, 0x11); + ioport_out(PIC2_COMMAND_PORT, 0x11); + ioport_out(PIC1_DATA_PORT, 0x20); + ioport_out(PIC2_DATA_PORT, 0x28); + ioport_out(PIC1_DATA_PORT, 0x04); + ioport_out(PIC2_DATA_PORT, 0x02); + ioport_out(PIC1_DATA_PORT, 0x01); + ioport_out(PIC2_DATA_PORT, 0x01); + ioport_out(PIC1_DATA_PORT, 0xff); + ioport_out(PIC2_DATA_PORT, 0xff); + ioport_out(PIC1_DATA_PORT, 0xFC); +} diff --git a/include/05.irq/idt7.c b/include/05.irq/idt7.c new file mode 100644 index 0000000..14d0f1a --- /dev/null +++ b/include/05.irq/idt7.c @@ -0,0 +1,37 @@ +void init_idt_table(void) +{ + init_pic(); + add_idt_entry(0,(uint32_t)irq0); + add_idt_entry(1,(uint32_t)irq1); + add_idt_entry(2,(uint32_t)irq2); + add_idt_entry(3,(uint32_t)irq3); + add_idt_entry(4,(uint32_t)irq4); + add_idt_entry(5,(uint32_t)irq5); + add_idt_entry(6,(uint32_t)irq6); + add_idt_entry(7,(uint32_t)irq7); + add_idt_entry(8,(uint32_t)irq8); + add_idt_entry(9,(uint32_t)irq9); + add_idt_entry(10,(uint32_t)irq10); + add_idt_entry(11,(uint32_t)irq11); + add_idt_entry(12,(uint32_t)irq12); + add_idt_entry(13,(uint32_t)irq13); + add_idt_entry(14,(uint32_t)irq14); + add_idt_entry(15,(uint32_t)irq15); + add_idt_entry(16,(uint32_t)irq16); + add_idt_entry(17,(uint32_t)irq17); + add_idt_entry(18,(uint32_t)irq18); + add_idt_entry(19,(uint32_t)irq19); + add_idt_entry(20,(uint32_t)irq20); + add_idt_entry(21,(uint32_t)irq21); + add_idt_entry(22,(uint32_t)irq22); + add_idt_entry(23,(uint32_t)irq23); + add_idt_entry(24,(uint32_t)irq24); + add_idt_entry(25,(uint32_t)irq25); + add_idt_entry(26,(uint32_t)irq26); + add_idt_entry(27,(uint32_t)irq27); + add_idt_entry(28,(uint32_t)irq28); + add_idt_entry(29,(uint32_t)irq29); + add_idt_entry(30,(uint32_t)irq30); + add_idt_entry(31,(uint32_t)irq31); + add_idt_entry(32,(uint32_t)timer_irq); + add_idt_entry(33,(uint32_t)keyboard_irq); diff --git a/include/05.irq/idt8.c b/include/05.irq/idt8.c new file mode 100644 index 0000000..427144b --- /dev/null +++ b/include/05.irq/idt8.c @@ -0,0 +1,2 @@ + idtp.size=sizeof(struct idt_entry)*256-1; + idtp.offset=(uint32_t)&idt; diff --git a/include/05.irq/idt9.c b/include/05.irq/idt9.c new file mode 100644 index 0000000..8442fdc --- /dev/null +++ b/include/05.irq/idt9.c @@ -0,0 +1,2 @@ + load_idt(&idtp); +} |
