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| author | Russ Cox <rsc@swtch.com> | 2009-07-11 19:28:29 -0700 |
|---|---|---|
| committer | Russ Cox <rsc@swtch.com> | 2009-07-11 19:28:29 -0700 |
| commit | 2c5f7aba38f8e7207a81fdef36d7720bda9dc4e5 (patch) | |
| tree | 042710e617fe8e5b807314dc3a1f48c2b4a26138 /swtch.S | |
| parent | b121486c3fa2eb3c8e57fe2ae9ec0f7357da1fc1 (diff) | |
| download | xv6-labs-2c5f7aba38f8e7207a81fdef36d7720bda9dc4e5.tar.gz xv6-labs-2c5f7aba38f8e7207a81fdef36d7720bda9dc4e5.tar.bz2 xv6-labs-2c5f7aba38f8e7207a81fdef36d7720bda9dc4e5.zip | |
initproc, usegment, swtch tweaks
Diffstat (limited to 'swtch.S')
| -rw-r--r-- | swtch.S | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1,5 +1,7 @@ -# void swtch(struct context **old, struct context **new); -# +# Context switch +# +# void swtch(struct context **old, struct context *new); +# # Save current register context in old # and then load register context from new. @@ -16,7 +18,7 @@ swtch: # Switch stacks movl %esp, (%eax) - movl (%edx), %esp + movl %edx, %esp # Load new callee-save registers popl %edi |