gwj / at91sam9263 · Commits

Commit 1193610e5df9eb88eaf7750f290fe8dd24ed620d

Authored by bellard
1 parent 26a16623

reset rombios32 area 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2403 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 24 additions and 2 deletions
pc-bios/bios.bin
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pc-bios/bios.diff
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  1 +Index: rombios.c
  2 +===================================================================
  3 +RCS file: /cvsroot/bochs/bochs/bios/rombios.c,v
  4 +retrieving revision 1.174
  5 +diff -u -w -r1.174 rombios.c
  6 +--- rombios.c 17 Oct 2006 16:48:05 -0000 1.174
  7 ++++ rombios.c 8 Feb 2007 21:57:48 -0000
  8 +@@ -9472,6 +9472,14 @@
  9 + mov eax, #0x00040000
  10 + call eax
  11 +
  12 ++ ;; reset the memory (some boot loaders such as syslinux suppose
  13 ++ ;; that the memory is set to zero)
  14 ++ mov edi, #0x00040000
  15 ++ mov ecx, #0x40000 / 4
  16 ++ xor eax, eax
  17 ++ rep
  18 ++ stosd
  19 ++
  20 + ;; return to 16 bit protected mode first
  21 + db 0xea
  22 + dd rombios32_10
1 23 Index: rombios.h
2 24 ===================================================================
3 25 RCS file: /cvsroot/bochs/bochs/bios/rombios.h,v
4 26 retrieving revision 1.3
5 27 diff -u -w -r1.3 rombios.h
6 28 --- rombios.h 3 Oct 2006 20:27:30 -0000 1.3
7   -+++ rombios.h 1 Nov 2006 19:16:34 -0000
  29 ++++ rombios.h 8 Feb 2007 21:57:48 -0000
8 30 @@ -19,7 +19,7 @@
9 31 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
10 32  
... ... @@ -20,7 +42,7 @@ RCS file: /cvsroot/bochs/bochs/bios/rombios32.c,v
20 42 retrieving revision 1.8
21 43 diff -u -w -r1.8 rombios32.c
22 44 --- rombios32.c 3 Oct 2006 20:27:30 -0000 1.8
23   -+++ rombios32.c 1 Nov 2006 19:16:34 -0000
  45 ++++ rombios32.c 8 Feb 2007 21:57:48 -0000
24 46 @@ -852,6 +852,11 @@
25 47 int ioapic_id, i, len;
26 48 int mp_config_table_size;
... ...