diff options
| author | Jordan Crouse <jordan.crouse@amd.com> | 2008-05-20 20:10:49 +0000 |
|---|---|---|
| committer | Jordan Crouse <jordan.crouse@amd.com> | 2008-05-20 20:10:49 +0000 |
| commit | 9dac1b4cca496e5293ca888d4f08411d8580ca08 (patch) | |
| tree | 72bb2bcbae3f6c61cad69fe338cba2efb37cf776 /payloads/libpayload/i386/head.S | |
| parent | 506980808d2f525e294cdd364b2b4e08276ab8d9 (diff) | |
libpayload: Add an exec() and i386_do_exec() function
Add functions for libpayload to execute other payloads in memory,
and have those functions return cleanly.
Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3338 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
Diffstat (limited to 'payloads/libpayload/i386/head.S')
| -rw-r--r-- | payloads/libpayload/i386/head.S | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/payloads/libpayload/i386/head.S b/payloads/libpayload/i386/head.S index 8dc31aa54d..54f60e1469 100644 --- a/payloads/libpayload/i386/head.S +++ b/payloads/libpayload/i386/head.S @@ -63,13 +63,14 @@ _init: /* Let's rock. */ call start_main - + + /* %eax has the return value - pass it on unmolested */ _leave: /* Get old stack pointer. */ popl %ebx /* Restore old stack. */ - movl %esp, %ebx + movl %ebx, %esp /* Return to the original context. */ - lret + ret |