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
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@ -72,6 +72,13 @@ static uint32_t vmport_ioport_read(void *opaque, uint32_t addr)
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return s->func[command](s->opaque[command], addr);
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return s->func[command](s->opaque[command], addr);
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}
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}
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static void vmport_ioport_write(void *opaque, uint32_t addr, uint32_t val)
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{
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CPUState *env = cpu_single_env;
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env->regs[R_EAX] = vmport_ioport_read(opaque, addr);
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}
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static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
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static uint32_t vmport_cmd_get_version(void *opaque, uint32_t addr)
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{
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{
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CPUState *env = cpu_single_env;
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CPUState *env = cpu_single_env;
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@ -89,6 +96,7 @@ static uint32_t vmport_cmd_ram_size(void *opaque, uint32_t addr)
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void vmport_init(void)
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void vmport_init(void)
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{
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{
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register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state);
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register_ioport_read(0x5658, 1, 4, vmport_ioport_read, &port_state);
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register_ioport_write(0x5658, 1, 4, vmport_ioport_write, &port_state);
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/* Register some generic port commands */
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/* Register some generic port commands */
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vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);
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vmport_register(VMPORT_CMD_GETVERSION, vmport_cmd_get_version, NULL);
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