31,7 → 31,7 |
.global context_save |
.global context_restore |
|
#include <libarch/context_offset.h> |
#include <kernel/arch/context_offset.h> |
|
## Save current CPU context |
# |
40,17 → 40,10 |
# |
context_save: |
movq (%rsp), %rdx # the caller's return %eip |
|
# In %edi is passed 1st argument |
movq %rdx, OFFSET_PC(%rdi) |
movq %rsp, OFFSET_SP(%rdi) |
CONTEXT_SAVE_ARCH_CORE %rdi %rdx |
|
movq %rbx, OFFSET_RBX(%rdi) |
movq %rbp, OFFSET_RBP(%rdi) |
movq %r12, OFFSET_R12(%rdi) |
movq %r13, OFFSET_R13(%rdi) |
movq %r14, OFFSET_R14(%rdi) |
movq %r15, OFFSET_R15(%rdi) |
|
# Save TLS |
movq %fs:0, %rax |
movq %rax, OFFSET_TLS(%rdi) |
66,16 → 59,9 |
# pointed by the 1st argument. Returns 0 in EAX. |
# |
context_restore: |
movq OFFSET_R15(%rdi), %r15 |
movq OFFSET_R14(%rdi), %r14 |
movq OFFSET_R13(%rdi), %r13 |
movq OFFSET_R12(%rdi), %r12 |
movq OFFSET_RBP(%rdi), %rbp |
movq OFFSET_RBX(%rdi), %rbx |
|
movq OFFSET_SP(%rdi), %rsp # ctx->sp -> %rsp |
CONTEXT_RESTORE_ARCH_CORE %rdi %rdx |
|
movq OFFSET_PC(%rdi), %rdx |
movq %rdx,(%rsp) |
|
# Set thread local storage |