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Diffstat (limited to 'hw/vmport.c')
-rw-r--r--hw/vmport.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/hw/vmport.c b/hw/vmport.c
index 8044c9fe6b..3655ad12d7 100644
--- a/hw/vmport.c
+++ b/hw/vmport.c
@@ -34,7 +34,6 @@
typedef struct _VMPortState
{
- CPUState *env;
IOPortReadFunc *func[VMPORT_ENTRIES];
void *opaque[VMPORT_ENTRIES];
} VMPortState;
@@ -53,14 +52,15 @@ void vmport_register(unsigned char command, IOPortReadFunc *func, void *opaque)
static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
{
VMPortState *s = opaque;
+ CPUState *env = cpu_single_env;
unsigned char command;
uint32_t eax;
- eax = s->env->regs[R_EAX];
+ eax = env->regs[R_EAX];
if (eax != VMPORT_MAGIC)
return eax;
- command = s->env->regs[R_ECX];
+ command = env->regs[R_ECX];
if (command >= VMPORT_ENTRIES)
return eax;
if (!s->func[command])
@@ -74,25 +74,23 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
{
- CPUState *env = opaque;
+ CPUState *env = cpu_single_env;
env->regs[R_EBX] = VMPORT_MAGIC;
return 6;
}
static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
{
- CPUState *env = opaque;
+ CPUState *env = cpu_single_env;
env->regs[R_EBX] = 0x1177;
return ram_size;
}
-void vmport_init(CPUState *env)
+void vmport_init(void)
{
- port_state.env = env;
-
register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state);
/* Register some generic port commands */
- vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, env);
- vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, env);
+ vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);
+ vmport_register(VMPORT_CMD_GETRAMSIZE, vmport_cmd_ram_size, NULL);
}