diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2009-05-24 19:09:32 -0700 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2009-05-24 19:09:32 -0700 |
| commit | 476a17a03b9729d4455e7f5516a4bc4c38b83efd (patch) | |
| tree | 231831ac6077c0fe3a3146efded33856123be16b /core/init.inc | |
| parent | 73ab2bf37fb8ebf91fa55e9ece4031840335382d (diff) | |
| download | syslinux-476a17a03b9729d4455e7f5516a4bc4c38b83efd.tar.gz | |
core: load the PM code at 1 MB, COM32R code follows
Load our own (core) PM code at 1 MB; when loading a COM32R module let
it follow our own PM code.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'core/init.inc')
| -rw-r--r-- | core/init.inc | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/core/init.inc b/core/init.inc index 5f90b0b0..809fa8ee 100644 --- a/core/init.inc +++ b/core/init.inc @@ -57,9 +57,7 @@ common_init: call adjust_screen ; -; The code to decompress the PM code. We copy it temporarily to 1 MB; -; we will probably eventually actually simply run the PM code out of -; high memory, at which point the extra copy can be dropped. +; The code to decompress the PM code and initialize other segments. ; extern _lzo1x_decompress_asm_fast extern __uibss_auxseg_dwords @@ -67,16 +65,11 @@ common_init: section .textnr bits 32 pm_decompress: - mov esi,__pm_code_lma - mov edi,0x100000 - mov ecx,[lzo_data_size] - call pm_bcopy - push 0 ; Space for decompressed size push esp ; Pointer to previous word push __pm_code_start ; Target address push dword [lzo_data_size] ; Compressed size - push dword 0x100000 + push dword __pm_code_lma call _lzo1x_decompress_asm_fast add esp,16 pop RM_EAX ; Decompressed size |