diff options
Diffstat (limited to 'include/01.pocetak')
| -rw-r--r-- | include/01.pocetak/boot.s | 70 | ||||
| -rw-r--r-- | include/01.pocetak/boot03.s | 11 | ||||
| -rw-r--r-- | include/01.pocetak/deo1 (renamed from include/01.pocetak/boot00.s) | 0 | ||||
| -rw-r--r-- | include/01.pocetak/deo10 | 5 | ||||
| -rw-r--r-- | include/01.pocetak/deo11 | 12 | ||||
| -rw-r--r-- | include/01.pocetak/deo12 | 1 | ||||
| -rw-r--r-- | include/01.pocetak/deo2 (renamed from include/01.pocetak/boot01.s) | 0 | ||||
| -rw-r--r-- | include/01.pocetak/deo3 | 6 | ||||
| -rw-r--r-- | include/01.pocetak/deo4 | 4 | ||||
| -rw-r--r-- | include/01.pocetak/deo5 | 5 | ||||
| -rw-r--r-- | include/01.pocetak/deo6 | 4 | ||||
| -rw-r--r-- | include/01.pocetak/deo7 | 5 | ||||
| -rw-r--r-- | include/01.pocetak/deo8 | 2 | ||||
| -rw-r--r-- | include/01.pocetak/deo9 (renamed from include/01.pocetak/boot02.s) | 0 |
14 files changed, 114 insertions, 11 deletions
diff --git a/include/01.pocetak/boot.s b/include/01.pocetak/boot.s new file mode 100644 index 0000000..907cd3c --- /dev/null +++ b/include/01.pocetak/boot.s @@ -0,0 +1,70 @@ +.set ALIGN, 1<<0 +.set MEMINFO, 1<<1 +.set FLAGS, ALIGN | MEMINFO +.set MAGIC, 0x1BADB002 +.set CHECKSUM, -(MAGIC + FLAGS) + +.section .multiboot +.align 4 +.long MAGIC +.long FLAGS +.long CHECKSUM + +.global _start +.global load_gdt +.global load_idt +.global enable_interrupts +.global ioport_in +.global ioport_out + +load_gdt: + movl 4(%esp), %edx + lgdt (%edx) + ret + +load_idt: + movl 4(%esp), %edx + lidt (%edx) + sti + ret + +ioport_in: + movl 4(%esp),%edx + in %dx,%al + ret + +ioport_out: + movl 4(%esp),%edx + movl 8(%esp),%eax + outb %al,%dx + ret + +.set CODE_SEGMENT, 0x08 +.set DATA_SEGMENT, 0x10 + +.section .bss +.align 16 +stack_bottom: +.skip 16384 +stack_top: + +.section .text +.type _start, @function +_start: + call init_gdt_table + ljmp $CODE_SEGMENT, $code + +code: + movw $DATA_SEGMENT, %ax + movw %ax, %ds + movw %ax, %es + movw %ax, %fs + movw %ax, %gs + movw %ax, %ss + movl $stack_top, %esp + cli + call _init + call kernel_main + hlt + +.size _start, . - _start diff --git a/include/01.pocetak/boot03.s b/include/01.pocetak/boot03.s deleted file mode 100644 index 46a4e7f..0000000 --- a/include/01.pocetak/boot03.s +++ /dev/null @@ -1,11 +0,0 @@ -.section .text -.global _start -.type _start, @function -_start: - mov $stack_top, %esp - call kernel_main - cli -1: hlt - jmp 1b - -.size _start, . - _start diff --git a/include/01.pocetak/boot00.s b/include/01.pocetak/deo1 index 0e1bfbe..0e1bfbe 100644 --- a/include/01.pocetak/boot00.s +++ b/include/01.pocetak/deo1 diff --git a/include/01.pocetak/deo10 b/include/01.pocetak/deo10 new file mode 100644 index 0000000..3cd7ea1 --- /dev/null +++ b/include/01.pocetak/deo10 @@ -0,0 +1,5 @@ +.section .text +.type _start, @function +_start: + call init_gdt_table + ljmp $CODE_SEGMENT, $code diff --git a/include/01.pocetak/deo11 b/include/01.pocetak/deo11 new file mode 100644 index 0000000..bd0f1da --- /dev/null +++ b/include/01.pocetak/deo11 @@ -0,0 +1,12 @@ +code: + movw $DATA_SEGMENT, %ax + movw %ax, %ds + movw %ax, %es + movw %ax, %fs + movw %ax, %gs + movw %ax, %ss + movl $stack_top, %esp + cli + call _init + call kernel_main + hlt diff --git a/include/01.pocetak/deo12 b/include/01.pocetak/deo12 new file mode 100644 index 0000000..d1d8388 --- /dev/null +++ b/include/01.pocetak/deo12 @@ -0,0 +1 @@ +.size _start, . - _start diff --git a/include/01.pocetak/boot01.s b/include/01.pocetak/deo2 index cd7b353..cd7b353 100644 --- a/include/01.pocetak/boot01.s +++ b/include/01.pocetak/deo2 diff --git a/include/01.pocetak/deo3 b/include/01.pocetak/deo3 new file mode 100644 index 0000000..44fcb34 --- /dev/null +++ b/include/01.pocetak/deo3 @@ -0,0 +1,6 @@ +.global _start +.global load_gdt +.global load_idt +.global enable_interrupts +.global ioport_in +.global ioport_out diff --git a/include/01.pocetak/deo4 b/include/01.pocetak/deo4 new file mode 100644 index 0000000..975ee19 --- /dev/null +++ b/include/01.pocetak/deo4 @@ -0,0 +1,4 @@ +load_gdt: + movl 4(%esp), %edx + lgdt (%edx) + ret diff --git a/include/01.pocetak/deo5 b/include/01.pocetak/deo5 new file mode 100644 index 0000000..6f095e9 --- /dev/null +++ b/include/01.pocetak/deo5 @@ -0,0 +1,5 @@ +load_idt: + movl 4(%esp), %edx + lidt (%edx) + sti + ret diff --git a/include/01.pocetak/deo6 b/include/01.pocetak/deo6 new file mode 100644 index 0000000..3f23d36 --- /dev/null +++ b/include/01.pocetak/deo6 @@ -0,0 +1,4 @@ +ioport_in: + movl 4(%esp),%edx + in %dx,%al + ret diff --git a/include/01.pocetak/deo7 b/include/01.pocetak/deo7 new file mode 100644 index 0000000..f441d17 --- /dev/null +++ b/include/01.pocetak/deo7 @@ -0,0 +1,5 @@ +ioport_out: + movl 4(%esp),%edx + movl 8(%esp),%eax + outb %al,%dx + ret diff --git a/include/01.pocetak/deo8 b/include/01.pocetak/deo8 new file mode 100644 index 0000000..cd3f772 --- /dev/null +++ b/include/01.pocetak/deo8 @@ -0,0 +1,2 @@ +.set CODE_SEGMENT, 0x08 +.set DATA_SEGMENT, 0x10 diff --git a/include/01.pocetak/boot02.s b/include/01.pocetak/deo9 index a9280a6..a9280a6 100644 --- a/include/01.pocetak/boot02.s +++ b/include/01.pocetak/deo9 |