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[Qemu-devel] [PATCH] Abort on attempts to load out-of-range ROMs
From: |
Ben Leslie |
Subject: |
[Qemu-devel] [PATCH] Abort on attempts to load out-of-range ROMs |
Date: |
Mon, 16 May 2011 21:33:02 +1000 |
Abort on attempts to load out-of-range ROMs
Change ROM loading behaviour so that attempts to load ROMs that fall outside
valid memory ranges causing an abort with a useful error message, rather
than silently ignoring the problem.
Signed-off-by: Ben Leslie <address@hidden>
---
exec.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/exec.c b/exec.c
index a718d74..af1b6a2 100644
--- a/exec.c
+++ b/exec.c
@@ -3838,7 +3838,7 @@ void
cpu_physical_memory_write_rom(target_phys_addr_t addr,
if ((pd & ~TARGET_PAGE_MASK) != IO_MEM_RAM &&
(pd & ~TARGET_PAGE_MASK) != IO_MEM_ROM &&
!(pd & IO_MEM_ROMD)) {
- /* do nothing */
+ cpu_abort(first_cpu, "Attempting to load malformed ROM at
address: 0x%x\n", addr);
} else {
unsigned long addr1;
addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK);
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