gwj / at91sam9263 · Commits

Commit e9396bded98ae7e83129e9c1e9caa98afea7eaf5

Authored by aliguori
1 parent 279e694b

vmware backdoor interface fix (Chris Lalancette) 

VMWare backdoor interface should work with IN/OUT port ops, but
currently only IN is supported. BOCHS bios uses OUT to query UUID.
The patch adds OUT support.

Signed-off-by: Chris Lalancette <clalance@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>



git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4957 c046a42c-6fe2-441c-8c8c-71466251a162
Inline Side-by-side
Showing 1 changed file with 8 additions and 0 deletions
hw/vmport.c
  View file @e9396bd
@@ -72,6 +72,13 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr) @@ -72,6 +72,13 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
72 return s->func[command](s->opaque[command], addr); 72 return s->func[command](s->opaque[command], addr);
73 } 73 }
74 74
  75 +static void vmport_ioport_write(void *opaque, uint32_t addr, uint32_t val)
  76 +{
  77 + CPUState *env = cpu_single_env;
  78 +
  79 + env->regs[R_EAX] = vmport_ioport_read(opaque, addr);
  80 +}
  81 +
75 static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr) 82 static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
76 { 83 {
77 CPUState *env = cpu_single_env; 84 CPUState *env = cpu_single_env;
@@ -89,6 +96,7 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr) @@ -89,6 +96,7 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
89 void vmport_init(void) 96 void vmport_init(void)
90 { 97 {
91 register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state); 98 register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state);
  99 + register_ioport_write(0x5658, 1, 4, vmport_ioport_write, &port_state);
92 100
93 /* Register some generic port commands */ 101 /* Register some generic port commands */
94 vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL); 102 vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);