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| author | fishsoupisgood <github@madingley.org> | 2019-04-29 01:17:54 +0100 |
|---|---|---|
| committer | fishsoupisgood <github@madingley.org> | 2019-05-27 03:43:43 +0100 |
| commit | 3f2546b2ef55b661fd8dd69682b38992225e86f6 (patch) | |
| tree | 65ca85f13617aee1dce474596800950f266a456c /roms/ipxe/contrib/vm/bochs-writable-ROM-patch | |
| download | qemu-master.tar.gz qemu-master.tar.bz2 qemu-master.zip | |
Diffstat (limited to 'roms/ipxe/contrib/vm/bochs-writable-ROM-patch')
| -rw-r--r-- | roms/ipxe/contrib/vm/bochs-writable-ROM-patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/roms/ipxe/contrib/vm/bochs-writable-ROM-patch b/roms/ipxe/contrib/vm/bochs-writable-ROM-patch new file mode 100644 index 00000000..dc586dde --- /dev/null +++ b/roms/ipxe/contrib/vm/bochs-writable-ROM-patch @@ -0,0 +1,15 @@ +--- memory/memory.cc 18 Oct 2008 18:10:14 -0000 1.71 ++++ memory/memory.cc 21 Oct 2008 19:47:07 -0000 +@@ -172,7 +172,11 @@ + break; + + case 0x0: // Writes to ROM, Inhibit +- BX_DEBUG(("Write to ROM ignored: address 0x" FMT_PHY_ADDRX ", data %02x", a20addr, *data_ptr)); ++ if ((a20addr & 0xfffe0000) == 0x000e0000) { ++ BX_DEBUG(("Write to ROM ignored: address 0x" FMT_PHY_ADDRX ", data %02x", a20addr, *data_ptr)); ++ } else { ++ BX_MEM_THIS rom[(a20addr & EXROM_MASK) + BIOSROMSZ] = *data_ptr; ++ } + break; + + default: |