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authorAleksa Vučković <aleksav013@gmail.com>2022-01-10 22:15:15 +0100
committerAleksa Vučković <aleksav013@gmail.com>2022-01-10 22:43:56 +0100
commit0bff8199e4a800d5ea1bd422dcf06643d6daf008 (patch)
tree15108a0073d66afc026c0a2225474c2d61e71b34 /include/04.idt
parent97d99fa196d4b732cfd6635dcb8b0a9c9228c88d (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/deo1114
-rw-r--r--include/04.idt/deo1237
-rw-r--r--include/04.idt/deo132
-rw-r--r--include/04.idt/deo142
-rw-r--r--include/04.idt/deo21
-rw-r--r--include/04.idt/deo32
-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/deo82
-rw-r--r--include/04.idt/deo9 (renamed from include/04.idt/idt05.c)0
-rw-r--r--include/04.idt/idt.c108
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);
+}