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Cleanup and clarify the comments above switch_trampoline().

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John Baldwin 2001-02-22 15:06:19 +00:00
parent bb1f93d519
commit 3621af321e
1 changed files with 5 additions and 2 deletions
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7
sys/alpha/alpha/swtch.s
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@ -198,8 +198,11 @@ Lcs7:
* Arrange for a function to be invoked neatly, after a cpu_switch(). * Arrange for a function to be invoked neatly, after a cpu_switch().
* *
* Invokes fork_exit() passing in three arguments: a callout function, * Invokes fork_exit() passing in three arguments: a callout function,
* a pointer to the executing process's proc structure, and a trapframe * an argument to the callout, and a trapframe pointer. For child processes
* pointer. * returning from fork(2), the argument is a pointer to the child process.
*
* The callout function is in s0, the address to return to after executing
* fork_exit() is in s1, and the argument is in s2.
*/ */
LEAF(switch_trampoline, 0) LEAF(switch_trampoline, 0)
mov s1, ra mov s1, ra