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| author | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
| commit | ace65b453151845bc361f21f3e5b651c35f9f126 (patch) | |
| tree | 262ebd29b0ca1d8584f0b6f1efa7a00d9f4f3e43 /arch/x86_64/syscall_setup.S | |
| parent | f004c1ade8d617a82cea2fe249434cccb47a2358 (diff) | |
| download | jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.gz jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.bz2 jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.zip | |
Diffstat (limited to 'arch/x86_64/syscall_setup.S')
| -rw-r--r-- | arch/x86_64/syscall_setup.S | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/arch/x86_64/syscall_setup.S b/arch/x86_64/syscall_setup.S deleted file mode 100644 index 4f5c6f0..0000000 --- a/arch/x86_64/syscall_setup.S +++ /dev/null @@ -1,41 +0,0 @@ -.extern _kernel_task_sp -.extern syscall_handler - -.global syscall_entry -.type syscall_entry @function -syscall_entry: - swapgs - movq %rsp, %rax - movq _kernel_task_bp, %rsp - pushq %rax - pushq %rbp - pushq %rcx - pushq %r11 - call syscall_handler - popq %r11 - popq %rcx - popq %rbp - popq %rsp - swapgs - sysretq - -.global syscall_setup_syscall -.type syscall_setup_syscall @function -syscall_setup_syscall: - movq $0xc0000080, %rcx - rdmsr - or $1, %eax - wrmsr - - movq $0xc0000081, %rcx - rdmsr - mov $0x001b0008, %edx - wrmsr - - movq $0xc0000082, %rcx - leaq syscall_entry, %rdx - mov %edx, %eax - shr $32, %rdx - wrmsr - - retq |