From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- roms/ipxe/contrib/vm/bochs-writable-ROM-patch | 15 +++++++++++++++ 1 file changed, 15 insertions(+) create mode 100644 roms/ipxe/contrib/vm/bochs-writable-ROM-patch (limited to 'roms/ipxe/contrib/vm/bochs-writable-ROM-patch') 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 000000000..dc586ddee --- /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: -- cgit 1.2.3-korg