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new physical memory access API (used by DMA accesses)

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@645 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-02-25 23:24:38 +00:00
parent b448f2f36c
commit 8b1f24b090
2 changed files with 16 additions and 5 deletions
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17
cpu-all.h
View File

@ -599,10 +599,21 @@ int cpu_register_io_memory(int io_index,
CPUReadMemoryFunc **mem_read,
CPUWriteMemoryFunc **mem_write);
void cpu_physical_memory_rw(CPUState *env, uint8_t *buf, target_ulong addr,
void cpu_physical_memory_rw(target_ulong addr, uint8_t *buf,
int len, int is_write);
int cpu_memory_rw_debug(CPUState *env,
uint8_t *buf, target_ulong addr, int len, int is_write);
static inline void cpu_physical_memory_read(target_ulong addr, uint8_t *buf,
int len)
{
cpu_physical_memory_rw(addr, buf, len, 0);
}
static inline void cpu_physical_memory_write(target_ulong addr, const uint8_t *buf,
int len)
{
cpu_physical_memory_rw(addr, (uint8_t *)buf, len, 1);
}
int cpu_memory_rw_debug(CPUState *env, target_ulong addr,
uint8_t *buf, int len, int is_write);
/* read dirty bit (return 0 or 1) */
static inline int cpu_physical_memory_is_dirty(target_ulong addr)

4
gdbstub.c
View File

@ -472,7 +472,7 @@ int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port)
if (*p == ',')
p++;
len = strtoul(p, NULL, 16);
if (cpu_memory_rw_debug(env, mem_buf, addr, len, 0) != 0)
if (cpu_memory_rw_debug(env, addr, mem_buf, len, 0) != 0)
memset(mem_buf, 0, len);
memtohex(buf, mem_buf, len);
put_packet(buf);
@ -486,7 +486,7 @@ int cpu_gdbstub(void *opaque, int (*main_loop)(void *opaque), int port)
if (*p == ',')
p++;
hextomem(mem_buf, p, len);
if (cpu_memory_rw_debug(env, mem_buf, addr, len, 1) != 0)
if (cpu_memory_rw_debug(env, addr, mem_buf, len, 1) != 0)
put_packet("ENN");
else
put_packet("OK");