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- fix a off-by-one error in the buffer read/write code that checks for a address wrap 

git-svn-id: svn://svn.berlios.de/openocd/trunk@957 b42882b7-edfa-0310-969c-e2dbd0fdcd60
__archive__
drath 2008-08-22 12:08:47 +00:00
parent daa58ab296
commit 2feac34e3f
1 changed files with 2 additions and 2 deletions
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4
src/target/target.c
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@ -870,7 +870,7 @@ int target_write_buffer(struct target_s *target, u32 address, u32 size, u8 *buff
return ERROR_FAIL; return ERROR_FAIL;
} }
if (address+size<address) if ((address + size - 1) < address)
{ {
/* GDB can request this when e.g. PC is 0xfffffffc*/ /* GDB can request this when e.g. PC is 0xfffffffc*/
LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size); LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);
@ -946,7 +946,7 @@ int target_read_buffer(struct target_s *target, u32 address, u32 size, u8 *buffe
return ERROR_FAIL; return ERROR_FAIL;
} }
if (address+size<address) if ((address + size - 1) < address)
{ {
/* GDB can request this when e.g. PC is 0xfffffffc*/ /* GDB can request this when e.g. PC is 0xfffffffc*/
LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size); LOG_ERROR("address+size wrapped(0x%08x, 0x%08x)", address, size);