allow 32 but unaligned access (aka Win PCI network bug - initial patch by Renzo Davoli)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@909 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-07 20:45:42 +00:00
parent eb26db16d7
commit 57ccbabecb

View file

@ -401,10 +401,10 @@ static inline void ne2000_mem_writew(NE2000State *s, uint32_t addr,
static inline void ne2000_mem_writel(NE2000State *s, uint32_t addr,
uint32_t val)
{
addr &= ~3; /* XXX: check exact behaviour if not even */
addr &= ~1; /* XXX: check exact behaviour if not even */
if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
*(uint32_t *)(s->mem + addr) = cpu_to_le32(val);
cpu_to_le32wu((uint32_t *)(s->mem + addr), val);
}
}
@ -431,10 +431,10 @@ static inline uint32_t ne2000_mem_readw(NE2000State *s, uint32_t addr)
static inline uint32_t ne2000_mem_readl(NE2000State *s, uint32_t addr)
{
addr &= ~3; /* XXX: check exact behaviour if not even */
addr &= ~1; /* XXX: check exact behaviour if not even */
if (addr < 32 ||
(addr >= NE2000_PMEM_START && addr < NE2000_MEM_SIZE)) {
return le32_to_cpu(*(uint32_t *)(s->mem + addr));
return le32_to_cpupu((uint32_t *)(s->mem + addr));
} else {
return 0xffffffff;
}