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remove bochs breaks

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This commit is contained in:
Jeremy Soller 2016-09-08 15:53:45 -06:00
parent a5d79d7957
commit fcec69efdc
3 changed files with 9 additions and 16 deletions
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10
arch/x86_64/src/interrupt/syscall.rs
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@ -13,17 +13,16 @@ pub unsafe extern fn syscall() {
let d; let d;
let e; let e;
let f; let f;
asm!("xchg bx, bx" : "={rax}"(a), "={rbx}"(b), "={rcx}"(c), "={rdx}"(d), "={rsi}"(e), "={rdi}"(f) asm!("" : "={rax}"(a), "={rbx}"(b), "={rcx}"(c), "={rdx}"(d), "={rsi}"(e), "={rdi}"(f)
: : : "intel", "volatile"); : : : "intel", "volatile");
a = syscall(a, b, c, d, e, f); a = syscall(a, b, c, d, e, f);
} }
asm!("xchg bx, bx" : : "{rax}"(a) : : "intel", "volatile"); asm!("" : : "{rax}"(a) : : "intel", "volatile");
} }
asm!("xchg bx, bx asm!("push fs
push fs
push rax push rax
mov rax, 0x18 mov rax, 0x18
mov fs, ax mov fs, ax
@ -33,8 +32,7 @@ pub unsafe extern fn syscall() {
inner(); inner();
// Interrupt return // Interrupt return
asm!("xchg bx, bx asm!("pop fs
pop fs
iretq" iretq"
: : : : "intel", "volatile"); : : : : "intel", "volatile");
} }

12
arch/x86_64/src/lib.rs
View file

@ -48,8 +48,7 @@ macro_rules! interrupt {
} }
// Push scratch registers // Push scratch registers
asm!("xchg bx, bx asm!("push rax
push rax
push rcx push rcx
push rdx push rdx
push rdi push rdi
@ -67,8 +66,7 @@ macro_rules! interrupt {
inner(); inner();
// Pop scratch registers and return // Pop scratch registers and return
asm!("xchg bx, bx asm!("pop fs
pop fs
pop r11 pop r11
pop r10 pop r10
pop r9 pop r9
@ -95,8 +93,7 @@ macro_rules! interrupt_error {
} }
// Push scratch registers // Push scratch registers
asm!("xchg bx, bx asm!("push rax
push rax
push rcx push rcx
push rdx push rdx
push rdi push rdi
@ -114,8 +111,7 @@ macro_rules! interrupt_error {
inner(); inner();
// Pop scratch registers, error code, and return // Pop scratch registers, error code, and return
asm!("xchg bx, bx asm!("pop fs
pop fs
pop r11 pop r11
pop r10 pop r10
pop r9 pop r9

3
arch/x86_64/src/start.rs
View file

@ -204,8 +204,7 @@ pub unsafe extern fn kstart_ap(stack_start: usize, stack_end: usize) -> ! {
pub unsafe fn usermode(ip: usize, sp: usize) { pub unsafe fn usermode(ip: usize, sp: usize) {
// Test usermode // Test usermode
asm!("xchg bx, bx asm!("mov rax, 0x2B
mov rax, 0x2B
mov ds, ax mov ds, ax
mov es, ax mov es, ax
mov fs, ax mov fs, ax