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| author | H. Peter Anvin <hpa@zytor.com> | 2009-03-31 08:59:00 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-03-31 08:59:00 -0700 |
| commit | 35dda1ebbb0c58dc76e3b534611c3bdcb06e2248 (patch) | |
| tree | dbba405d1b8b204f9601758db32b7e159a83f7a3 /core/layout.inc | |
| parent | 1cb06f94c9c1525975254ed41942098d7a741840 (diff) | |
| download | syslinux-35dda1ebbb0c58dc76e3b534611c3bdcb06e2248.tar.gz | |
shuffler: first cut of a simpler shuffle routine
Impact: major restructuring
New shuffler routine which runs entirely in protected mode, unlike the
old one which would enter PM for the bcopy phase only. This is not
only faster, but it greatly reduces the size of the shuffler "critical
area". The interfaces to this new shuffler are not yet implemented,
so this is a non-functional checkpoint.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core/layout.inc')
| -rw-r--r-- | core/layout.inc | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/core/layout.inc b/core/layout.inc index 3033ab31..20f615ab 100644 --- a/core/layout.inc +++ b/core/layout.inc @@ -39,7 +39,6 @@ LATEBSS_START equ 0B800h ; ; Use .earlybss for things that MUST be in low memory. section .earlybss nobits start=BSS_START - section .bcopy32 exec nowrite progbits align=4 section .config write progbits align=4 section .config.end write nobits align=4 @@ -61,6 +60,7 @@ RBFG_brainfuck: resb 2048 ; Bigger than an Ethernet packet... section .bss2 write nobits align=16 section .text exec write progbits align=16 + section .bcopyxx exec write progbits align=16 section .data write progbits align=16 section .adv write nobits align=512 @@ -79,7 +79,6 @@ RBFG_brainfuck: resb 2048 ; Bigger than an Ethernet packet... extern __%1_start, __%1_lma, __%1_end extern __%1_len, __%1_dwords %endmacro - SECINFO bcopy32 SECINFO config global _start |