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| author | Frans Kaashoek <kaashoek@mit.edu> | 2018-10-03 21:00:32 -0400 |
|---|---|---|
| committer | Frans Kaashoek <kaashoek@mit.edu> | 2018-10-03 21:00:32 -0400 |
| commit | a7ef9a40c48bdf380d75ae3d59198db418992011 (patch) | |
| tree | 5d12b97c3c20e6c7cb252e161d39fb92eeb40186 | |
| parent | 7ccc5f5f4f69c8f1f16f2eda534ff9893ff2226b (diff) | |
| download | xv6-labs-a7ef9a40c48bdf380d75ae3d59198db418992011.tar.gz xv6-labs-a7ef9a40c48bdf380d75ae3d59198db418992011.tar.bz2 xv6-labs-a7ef9a40c48bdf380d75ae3d59198db418992011.zip | |
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| -rw-r--r-- | swtch.S | 8 |
1 files changed, 4 insertions, 4 deletions
@@ -8,7 +8,7 @@ .globl swtch swtch: - # Save old callee-save registers + # Save old callee-saved registers push %rbp push %rbx push %r11 @@ -18,10 +18,10 @@ swtch: push %r15 # Switch stacks - mov %rsp, (%rdi) # first arg is in rdi - mov %rsi, %rsp # second arg is in rsi + mov %rsp, (%rdi) # first arg of swtch is in rdi + mov %rsi, %rsp # second arg of swtch is in rsi - # Load new callee-save registers + # Load new callee-saved registers pop %r15 pop %r14 pop %r13 |