| 28,17 → 28,17 |
|---|
| |
| .text |
| |
| .global context_save |
| .global context_restore |
| .global context_save_arch |
| .global context_restore_arch |
| |
| #include <arch/context_offset.h> |
| |
| ## Save current CPU context |
| # |
| # Save CPU context to the kernel_context variable |
| # Save CPU context to context_t variable |
| # pointed by the 1st argument. Returns 1 in EAX. |
| # |
| context_save: |
| context_save_arch: |
| movq (%rsp), %rdx # the caller's return %eip |
| # In %edi is passed 1st argument |
| movq %rdx, OFFSET_PC(%rdi) |
| 58,10 → 58,10 |
|---|
| |
| ## Restore current CPU context |
| # |
| # Restore CPU context from the kernel_context variable |
| # Restore CPU context from context_t variable |
| # pointed by the 1st argument. Returns 0 in EAX. |
| # |
| context_restore: |
| context_restore_arch: |
| movq OFFSET_R15(%rdi), %r15 |
| movq OFFSET_R14(%rdi), %r14 |
| movq OFFSET_R13(%rdi), %r13 |