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| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-03 15:20:19 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-03 15:20:19 -0800 |
| commit | 5c3b652f0d1fa54519fa563e53af5f57a02cd87b (patch) | |
| tree | 09835cf9e21acf90817d0ed7f4e0a691ab057ba0 /core | |
| parent | bd5b09dc502c8c1022a50fada50cb8e2298365ac (diff) | |
| download | syslinux-5c3b652f0d1fa54519fa563e53af5f57a02cd87b.tar.gz | |
pxelinux: stop using the PXE-provided stack
Using the PXE-provided stack complicates things tremendously for gPXE
chainloading support, plus we are hostages to the stack size set up by
the PXE stack (1.5K by spec.)
Use a private stack instead, as the fsc branch already does.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core')
| -rw-r--r-- | core/pxelinux.asm | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/core/pxelinux.asm b/core/pxelinux.asm index 651dd4c3..bf46ff64 100644 --- a/core/pxelinux.asm +++ b/core/pxelinux.asm @@ -48,7 +48,7 @@ TFTP_LARGEBLK equ (TFTP_MTU-20-8-4) ; MTU - IP hdr - UDP hdr - TFTP hdr ; Standard TFTP block size TFTP_BLOCKSIZE_LG2 equ 9 ; log2(bytes/block) TFTP_BLOCKSIZE equ (1 << TFTP_BLOCKSIZE_LG2) -%assign USE_PXE_PROVIDED_STACK 1 ; Use stack provided by PXE? +%assign USE_PXE_PROVIDED_STACK 0 ; Use stack provided by PXE? SECTOR_SHIFT equ TFTP_BLOCKSIZE_LG2 SECTOR_SIZE equ TFTP_BLOCKSIZE @@ -217,7 +217,7 @@ packet_buf_size equ $-packet_buf ; PXELINUX needs more BSS than the other derivatives; ; therefore we relocate it from 7C00h on startup. ; -StackBuf equ $ ; Base of stack if we use our own +StackBuf equ $-44 ; Base of stack if we use our own ; ; Primary entry point. |