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Set up initial task switching (ring0 only)

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This commit is contained in:
Justin C. Miller
2018-05-18 23:55:15 -07:00
parent 0ddcf668cb
commit bfaab294e6
12 changed files with 239 additions and 45 deletions
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24
src/kernel/interrupts.s
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@@ -38,11 +38,19 @@ gdt_load:
push rcx
push rdx
push rbx
push rsp
push rbp
push rsi
push rdi
push r8
push r9
push r10
push r11
push r12
push r13
push r14
push r15
mov ax, ds
push rax
%endmacro
@@ -54,10 +62,18 @@ gdt_load:
mov fs, ax
mov gs, ax
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
pop r9
pop r8
pop rdi
pop rsi
pop rbp
pop rsp
pop rbx
pop rdx
pop rcx
@@ -76,9 +92,11 @@ extern isr_handler
global isr_handler_prelude
isr_handler_prelude:
push_all_and_segments
load_kernel_segments
;load_kernel_segments
mov rdi, rsp
call isr_handler
mov rsp, rax
pop_all_and_segments