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| author | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
|---|---|---|
| committer | Jon Santmyer <jon@jonsantmyer.com> | 2024-05-22 13:00:41 -0400 |
| commit | ace65b453151845bc361f21f3e5b651c35f9f126 (patch) | |
| tree | 262ebd29b0ca1d8584f0b6f1efa7a00d9f4f3e43 /task/stack.c | |
| parent | f004c1ade8d617a82cea2fe249434cccb47a2358 (diff) | |
| download | jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.gz jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.tar.bz2 jove-kernel-ace65b453151845bc361f21f3e5b651c35f9f126.zip | |
Diffstat (limited to 'task/stack.c')
| -rw-r--r-- | task/stack.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/task/stack.c b/task/stack.c new file mode 100644 index 0000000..396ab3e --- /dev/null +++ b/task/stack.c @@ -0,0 +1,14 @@ +#include "tasking.h" +#include "string.h" +#include "assert.h" + +void +tcb_stack_push(tcb_t *tcb, void *data, size_t len) +{ + assert(tcb != NULL); + void *spo = (void*)(tcb->ksp - len); + assert(spo >= tcb->stack); + + memcpy(spo, data, len); + tcb->ksp = (uintptr_t)spo; +} |