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faster I/Os - default 16 bit I/O fix 

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@801 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-05-12 19:50:26 +00:00
parent 7d3505c55a
commit db45c29a65
1 changed files with 6 additions and 10 deletions
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16
vl.c
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@ -147,15 +147,17 @@ void default_ioport_writeb(void *opaque, uint32_t address, uint32_t data)
uint32_t default_ioport_readw(void *opaque, uint32_t address)
{
uint32_t data;
data = ioport_read_table[0][address & (MAX_IOPORTS - 1)](opaque, address);
data |= ioport_read_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1) << 8;
data = ioport_read_table[0][address](ioport_opaque[address], address);
address = (address + 1) & (MAX_IOPORTS - 1);
data |= ioport_read_table[0][address](ioport_opaque[address], address) << 8;
return data;
}
void default_ioport_writew(void *opaque, uint32_t address, uint32_t data)
{
ioport_write_table[0][address & (MAX_IOPORTS - 1)](opaque, address, data & 0xff);
ioport_write_table[0][(address + 1) & (MAX_IOPORTS - 1)](opaque, address + 1, (data >> 8) & 0xff);
ioport_write_table[0][address](ioport_opaque[address], address, data & 0xff);
address = (address + 1) & (MAX_IOPORTS - 1);
ioport_write_table[0][address](ioport_opaque[address], address, (data >> 8) & 0xff);
}
uint32_t default_ioport_readl(void *opaque, uint32_t address)
@ -283,7 +285,6 @@ int load_image(const char *filename, uint8_t *addr)
void cpu_outb(CPUState *env, int addr, int val)
{
addr &= (MAX_IOPORTS - 1);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)
fprintf(logfile, "outb: %04x %02x\n", addr, val);
@ -293,7 +294,6 @@ void cpu_outb(CPUState *env, int addr, int val)
void cpu_outw(CPUState *env, int addr, int val)
{
addr &= (MAX_IOPORTS - 1);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)
fprintf(logfile, "outw: %04x %04x\n", addr, val);
@ -303,7 +303,6 @@ void cpu_outw(CPUState *env, int addr, int val)
void cpu_outl(CPUState *env, int addr, int val)
{
addr &= (MAX_IOPORTS - 1);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)
fprintf(logfile, "outl: %04x %08x\n", addr, val);
@ -314,7 +313,6 @@ void cpu_outl(CPUState *env, int addr, int val)
int cpu_inb(CPUState *env, int addr)
{
int val;
addr &= (MAX_IOPORTS - 1);
val = ioport_read_table[0][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)
@ -326,7 +324,6 @@ int cpu_inb(CPUState *env, int addr)
int cpu_inw(CPUState *env, int addr)
{
int val;
addr &= (MAX_IOPORTS - 1);
val = ioport_read_table[1][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)
@ -338,7 +335,6 @@ int cpu_inw(CPUState *env, int addr)
int cpu_inl(CPUState *env, int addr)
{
int val;
addr &= (MAX_IOPORTS - 1);
val = ioport_read_table[2][addr](ioport_opaque[addr], addr);
#ifdef DEBUG_IOPORT
if (loglevel & CPU_LOG_IOPORT)