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Abort on attempts to load out-of-range ROMs

Message ID BANLkTinCPRZBwVGRN2CZzZTPL5nnbBP81Q@mail.gmail.com
State New
Headers show

Commit Message

Ben Leslie May 16, 2011, 11:33 a.m. UTC
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 <benno@benno.id.au>
---
 exec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

             unsigned long addr1;
             addr1 = (pd & TARGET_PAGE_MASK) + (addr & ~TARGET_PAGE_MASK);
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Patch

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 {