diff options
| author | Michael Brown <mcb30@ipxe.org> | 2010-09-22 14:19:25 +0100 |
|---|---|---|
| committer | Michael Brown <mcb30@ipxe.org> | 2010-09-22 16:26:01 +0100 |
| commit | 041f01e60106dcc9d64f4a82ab11236c589dc264 (patch) | |
| tree | fd81ea61832bc7aca112efcb050cfed50ebd232a /contrib/vm/bochs-writable-ROM-patch | |
| parent | c4af205cf0fa73c546c7b7e236f6d9f1614508a6 (diff) | |
| download | ipxe-041f01e60106dcc9d64f4a82ab11236c589dc264.tar.gz | |
[contrib] Add contrib/vm, containing utilities from old contrib/bochs
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'contrib/vm/bochs-writable-ROM-patch')
| -rw-r--r-- | contrib/vm/bochs-writable-ROM-patch | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/contrib/vm/bochs-writable-ROM-patch b/contrib/vm/bochs-writable-ROM-patch new file mode 100644 index 000000000..dc586ddee --- /dev/null +++ b/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: |