diff options
| author | Aleksa Vučković <aleksav013@gmail.com> | 2022-01-10 22:15:15 +0100 |
|---|---|---|
| committer | Aleksa Vučković <aleksav013@gmail.com> | 2022-01-10 22:43:56 +0100 |
| commit | 0bff8199e4a800d5ea1bd422dcf06643d6daf008 (patch) | |
| tree | 15108a0073d66afc026c0a2225474c2d61e71b34 /include/04.idt | |
| parent | 97d99fa196d4b732cfd6635dcb8b0a9c9228c88d (diff) | |
include/setup.sh
Diffstat (limited to 'include/04.idt')
| -rw-r--r-- | include/04.idt/deo1 (renamed from include/04.idt/idt00.c) | 0 | ||||
| -rw-r--r-- | include/04.idt/deo10 (renamed from include/04.idt/idt06.c) | 0 | ||||
| -rw-r--r-- | include/04.idt/deo11 | 14 | ||||
| -rw-r--r-- | include/04.idt/deo12 | 37 | ||||
| -rw-r--r-- | include/04.idt/deo13 | 2 | ||||
| -rw-r--r-- | include/04.idt/deo14 | 2 | ||||
| -rw-r--r-- | include/04.idt/deo2 | 1 | ||||
| -rw-r--r-- | include/04.idt/deo3 | 2 | ||||
| -rw-r--r-- | include/04.idt/deo4 (renamed from include/04.idt/idt01.c) | 3 | ||||
| -rw-r--r-- | include/04.idt/deo5 (renamed from include/04.idt/idt02.c) | 0 | ||||
| -rw-r--r-- | include/04.idt/deo6 (renamed from include/04.idt/idt03.c) | 0 | ||||
| -rw-r--r-- | include/04.idt/deo7 (renamed from include/04.idt/idt04.c) | 2 | ||||
| -rw-r--r-- | include/04.idt/deo8 | 2 | ||||
| -rw-r--r-- | include/04.idt/deo9 (renamed from include/04.idt/idt05.c) | 0 | ||||
| -rw-r--r-- | include/04.idt/idt.c | 108 |
15 files changed, 168 insertions, 5 deletions
diff --git a/include/04.idt/idt00.c b/include/04.idt/deo1 index 7c174c9..7c174c9 100644 --- a/include/04.idt/idt00.c +++ b/include/04.idt/deo1 diff --git a/include/04.idt/idt06.c b/include/04.idt/deo10 index 409dd15..409dd15 100644 --- a/include/04.idt/idt06.c +++ b/include/04.idt/deo10 diff --git a/include/04.idt/deo11 b/include/04.idt/deo11 new file mode 100644 index 0000000..055e22a --- /dev/null +++ b/include/04.idt/deo11 @@ -0,0 +1,14 @@ +void init_pic() +{ + 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/04.idt/deo12 b/include/04.idt/deo12 new file mode 100644 index 0000000..ea57b35 --- /dev/null +++ b/include/04.idt/deo12 @@ -0,0 +1,37 @@ +void init_idt_table() +{ + 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/04.idt/deo13 b/include/04.idt/deo13 new file mode 100644 index 0000000..427144b --- /dev/null +++ b/include/04.idt/deo13 @@ -0,0 +1,2 @@ + idtp.size=sizeof(struct idt_entry)*256-1; + idtp.offset=(uint32_t)&idt; diff --git a/include/04.idt/deo14 b/include/04.idt/deo14 new file mode 100644 index 0000000..8442fdc --- /dev/null +++ b/include/04.idt/deo14 @@ -0,0 +1,2 @@ + load_idt(&idtp); +} diff --git a/include/04.idt/deo2 b/include/04.idt/deo2 new file mode 100644 index 0000000..afb8506 --- /dev/null +++ b/include/04.idt/deo2 @@ -0,0 +1 @@ +#define INTERRUPT_GATE_32 0x8E diff --git a/include/04.idt/deo3 b/include/04.idt/deo3 new file mode 100644 index 0000000..c564d8a --- /dev/null +++ b/include/04.idt/deo3 @@ -0,0 +1,2 @@ +#define KERNEL_CODE 0x08 +#define KERNEL_DATA 0x10 diff --git a/include/04.idt/idt01.c b/include/04.idt/deo4 index c2b91e5..ca70fa7 100644 --- a/include/04.idt/idt01.c +++ b/include/04.idt/deo4 @@ -1,6 +1,3 @@ -#define INTERRUPT_GATE_32 0x8E -#define KERNEL_CODE 0x08 -#define KERNEL_DATA 0x10 #define PIC1_COMMAND_PORT 0x20 #define PIC1_DATA_PORT 0x21 #define PIC2_COMMAND_PORT 0xA0 diff --git a/include/04.idt/idt02.c b/include/04.idt/deo5 index dcab25c..dcab25c 100644 --- a/include/04.idt/idt02.c +++ b/include/04.idt/deo5 diff --git a/include/04.idt/idt03.c b/include/04.idt/deo6 index fe1bff5..fe1bff5 100644 --- a/include/04.idt/idt03.c +++ b/include/04.idt/deo6 diff --git a/include/04.idt/idt04.c b/include/04.idt/deo7 index 329ce75..ffa0e82 100644 --- a/include/04.idt/idt04.c +++ b/include/04.idt/deo7 @@ -1,4 +1,2 @@ extern void load_idt(struct idt_pointer *idtp); extern void keyboard_irq(); -struct idt_entry idt[256]; -struct idt_pointer idtp; diff --git a/include/04.idt/deo8 b/include/04.idt/deo8 new file mode 100644 index 0000000..28b2298 --- /dev/null +++ b/include/04.idt/deo8 @@ -0,0 +1,2 @@ +struct idt_entry idt[256]; +struct idt_pointer idtp; diff --git a/include/04.idt/idt05.c b/include/04.idt/deo9 index d11c19e..d11c19e 100644 --- a/include/04.idt/idt05.c +++ b/include/04.idt/deo9 diff --git a/include/04.idt/idt.c b/include/04.idt/idt.c new file mode 100644 index 0000000..843c9da --- /dev/null +++ b/include/04.idt/idt.c @@ -0,0 +1,108 @@ +#include<types.h> +#include<irq.h> +#include<asm.h> + +#define INTERRUPT_GATE_32 0x8E + +#define KERNEL_CODE 0x08 +#define KERNEL_DATA 0x10 + +#define PIC1_COMMAND_PORT 0x20 +#define PIC1_DATA_PORT 0x21 +#define PIC2_COMMAND_PORT 0xA0 +#define PIC2_DATA_PORT 0xA1 + +struct idt_entry +{ + uint16_t offset1; + uint16_t selector; + uint8_t zero; + uint8_t type_attr; + uint16_t offset2; +} __attribute__((packed)); + +struct idt_pointer +{ + uint16_t size; + uint32_t offset; +} __attribute__((packed)); + + +extern void load_idt(struct idt_pointer *idtp); +extern void keyboard_irq(); + +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=(offset & 0xffff); + idt[num].selector=selector; + idt[num].zero=0; + idt[num].type_attr=type_attr; + idt[num].offset2=(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() +{ + 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() +{ + 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); +} |
