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Diffstat (limited to 'hw/ppc/spapr_rtas.c')
-rw-r--r--hw/ppc/spapr_rtas.c97
1 files changed, 72 insertions, 25 deletions
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index eb542f218a..1cb276de05 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -47,10 +47,10 @@ static void rtas_display_character(PowerPCCPU *cpu, sPAPREnvironment *spapr,
VIOsPAPRDevice *sdev = vty_lookup(spapr, 0);
if (!sdev) {
- rtas_st(rets, 0, -1);
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
} else {
vty_putchars(sdev, &c, sizeof(c));
- rtas_st(rets, 0, 0);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
}
@@ -62,13 +62,13 @@ static void rtas_get_time_of_day(PowerPCCPU *cpu, sPAPREnvironment *spapr,
struct tm tm;
if (nret != 8) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
qemu_get_timedate(&tm, spapr->rtc_offset);
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
rtas_st(rets, 1, tm.tm_year + 1900);
rtas_st(rets, 2, tm.tm_mon + 1);
rtas_st(rets, 3, tm.tm_mday);
@@ -96,7 +96,7 @@ static void rtas_set_time_of_day(PowerPCCPU *cpu, sPAPREnvironment *spapr,
rtc_change_mon_event(&tm);
spapr->rtc_offset = qemu_timedate_diff(&tm);
- rtas_st(rets, 0, 0); /* Success */
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_power_off(PowerPCCPU *cpu, sPAPREnvironment *spapr,
@@ -104,11 +104,11 @@ static void rtas_power_off(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t nret, target_ulong rets)
{
if (nargs != 2 || nret != 1) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
qemu_system_shutdown_request();
- rtas_st(rets, 0, 0);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_system_reboot(PowerPCCPU *cpu, sPAPREnvironment *spapr,
@@ -117,11 +117,11 @@ static void rtas_system_reboot(PowerPCCPU *cpu, sPAPREnvironment *spapr,
uint32_t nret, target_ulong rets)
{
if (nargs != 0 || nret != 1) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
qemu_system_reset_request();
- rtas_st(rets, 0, 0);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
}
static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_,
@@ -134,7 +134,7 @@ static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_,
CPUState *cpu;
if (nargs != 1 || nret != 2) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
@@ -147,12 +147,12 @@ static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_,
rtas_st(rets, 1, 2);
}
- rtas_st(rets, 0, 0);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
return;
}
/* Didn't find a matching cpu */
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPREnvironment *spapr,
@@ -164,7 +164,7 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPREnvironment *spapr,
CPUState *cs;
if (nargs != 3 || nret != 1) {
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;
}
@@ -178,7 +178,7 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPREnvironment *spapr,
CPUPPCState *env = &cpu->env;
if (!cs->halted) {
- rtas_st(rets, 0, -1);
+ rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
return;
}
@@ -194,12 +194,12 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPREnvironment *spapr,
qemu_cpu_kick(cs);
- rtas_st(rets, 0, 0);
+ rtas_st(rets, 0, RTAS_OUT_SUCCESS);
return;
}
/* Didn't find a matching cpu */
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
static void rtas_stop_self(PowerPCCPU *cpu, sPAPREnvironment *spapr,
@@ -224,6 +224,49 @@ static void rtas_stop_self(PowerPCCPU *cpu, sPAPREnvironment *spapr,
env->msr = 0;
}
+#define DIAGNOSTICS_RUN_MODE 42
+
+static void rtas_ibm_get_system_parameter(PowerPCCPU *cpu,
+ sPAPREnvironment *spapr,
+ uint32_t token, uint32_t nargs,
+ target_ulong args,
+ uint32_t nret, target_ulong rets)
+{
+ target_ulong parameter = rtas_ld(args, 0);
+ target_ulong buffer = rtas_ld(args, 1);
+ target_ulong length = rtas_ld(args, 2);
+ target_ulong ret = RTAS_OUT_NOT_SUPPORTED;
+
+ switch (parameter) {
+ case DIAGNOSTICS_RUN_MODE:
+ if (length == 1) {
+ rtas_st(buffer, 0, 0);
+ ret = RTAS_OUT_SUCCESS;
+ }
+ break;
+ }
+
+ rtas_st(rets, 0, ret);
+}
+
+static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu,
+ sPAPREnvironment *spapr,
+ uint32_t token, uint32_t nargs,
+ target_ulong args,
+ uint32_t nret, target_ulong rets)
+{
+ target_ulong parameter = rtas_ld(args, 0);
+ target_ulong ret = RTAS_OUT_NOT_SUPPORTED;
+
+ switch (parameter) {
+ case DIAGNOSTICS_RUN_MODE:
+ ret = RTAS_OUT_NOT_AUTHORIZED;
+ break;
+ }
+
+ rtas_st(rets, 0, ret);
+}
+
static struct rtas_call {
const char *name;
spapr_rtas_fn fn;
@@ -255,7 +298,7 @@ target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr,
}
hcall_dprintf("Unknown RTAS token 0x%x\n", token);
- rtas_st(rets, 0, -3);
+ rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return H_PARAMETER;
}
@@ -291,24 +334,24 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
return ret;
}
- ret = qemu_devtree_setprop_cell(fdt, "/rtas", "linux,rtas-base",
- rtas_addr);
+ ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-base",
+ rtas_addr);
if (ret < 0) {
fprintf(stderr, "Couldn't add linux,rtas-base property: %s\n",
fdt_strerror(ret));
return ret;
}
- ret = qemu_devtree_setprop_cell(fdt, "/rtas", "linux,rtas-entry",
- rtas_addr);
+ ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-entry",
+ rtas_addr);
if (ret < 0) {
fprintf(stderr, "Couldn't add linux,rtas-entry property: %s\n",
fdt_strerror(ret));
return ret;
}
- ret = qemu_devtree_setprop_cell(fdt, "/rtas", "rtas-size",
- rtas_size);
+ ret = qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size",
+ rtas_size);
if (ret < 0) {
fprintf(stderr, "Couldn't add rtas-size property: %s\n",
fdt_strerror(ret));
@@ -322,8 +365,8 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
continue;
}
- ret = qemu_devtree_setprop_cell(fdt, "/rtas", call->name,
- i + TOKEN_BASE);
+ ret = qemu_fdt_setprop_cell(fdt, "/rtas", call->name,
+ i + TOKEN_BASE);
if (ret < 0) {
fprintf(stderr, "Couldn't add rtas token for %s: %s\n",
call->name, fdt_strerror(ret));
@@ -345,6 +388,10 @@ static void core_rtas_register_types(void)
rtas_query_cpu_stopped_state);
spapr_rtas_register("start-cpu", rtas_start_cpu);
spapr_rtas_register("stop-self", rtas_stop_self);
+ spapr_rtas_register("ibm,get-system-parameter",
+ rtas_ibm_get_system_parameter);
+ spapr_rtas_register("ibm,set-system-parameter",
+ rtas_ibm_set_system_parameter);
}
type_init(core_rtas_register_types)
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2025-04-26 00:35:13 +0200