diff options
Diffstat (limited to 'hw/ppc/spapr_rtas.c')
-rw-r--r-- | hw/ppc/spapr_rtas.c | 67 |
1 files changed, 33 insertions, 34 deletions
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 8d08539..4e87d02 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -36,9 +36,6 @@ #include <libfdt.h> -#define TOKEN_BASE 0x2000 -#define TOKEN_MAX 0x100 - static void rtas_display_character(PowerPCCPU *cpu, sPAPREnvironment *spapr, uint32_t token, uint32_t nargs, target_ulong args, @@ -271,17 +268,14 @@ static void rtas_ibm_set_system_parameter(PowerPCCPU *cpu, static struct rtas_call { const char *name; spapr_rtas_fn fn; -} rtas_table[TOKEN_MAX]; - -static struct rtas_call *rtas_next = rtas_table; +} rtas_table[RTAS_TOKEN_MAX - RTAS_TOKEN_BASE]; target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr, uint32_t token, uint32_t nargs, target_ulong args, uint32_t nret, target_ulong rets) { - if ((token >= TOKEN_BASE) - && ((token - TOKEN_BASE) < TOKEN_MAX)) { - struct rtas_call *call = rtas_table + (token - TOKEN_BASE); + if ((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX)) { + struct rtas_call *call = rtas_table + (token - RTAS_TOKEN_BASE); if (call->fn) { call->fn(cpu, spapr, token, nargs, args, nret, rets); @@ -303,23 +297,22 @@ target_ulong spapr_rtas_call(PowerPCCPU *cpu, sPAPREnvironment *spapr, return H_PARAMETER; } -int spapr_rtas_register(const char *name, spapr_rtas_fn fn) +void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn) { - int i; - - for (i = 0; i < (rtas_next - rtas_table); i++) { - if (strcmp(name, rtas_table[i].name) == 0) { - fprintf(stderr, "RTAS call \"%s\" registered twice\n", name); - exit(1); - } + if (!((token >= RTAS_TOKEN_BASE) && (token < RTAS_TOKEN_MAX))) { + fprintf(stderr, "RTAS invalid token 0x%x\n", token); + exit(1); } - assert(rtas_next < (rtas_table + TOKEN_MAX)); - - rtas_next->name = name; - rtas_next->fn = fn; + token -= RTAS_TOKEN_BASE; + if (rtas_table[token].name) { + fprintf(stderr, "RTAS call \"%s\" is registered already as 0x%x\n", + rtas_table[token].name, token); + exit(1); + } - return (rtas_next++ - rtas_table) + TOKEN_BASE; + rtas_table[token].name = name; + rtas_table[token].fn = fn; } int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr, @@ -359,7 +352,7 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr, return ret; } - for (i = 0; i < TOKEN_MAX; i++) { + for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) { struct rtas_call *call = &rtas_table[i]; if (!call->name) { @@ -367,7 +360,7 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr, } ret = qemu_fdt_setprop_cell(fdt, "/rtas", call->name, - i + TOKEN_BASE); + i + RTAS_TOKEN_BASE); if (ret < 0) { fprintf(stderr, "Couldn't add rtas token for %s: %s\n", call->name, fdt_strerror(ret)); @@ -380,18 +373,24 @@ int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr, static void core_rtas_register_types(void) { - spapr_rtas_register("display-character", rtas_display_character); - spapr_rtas_register("get-time-of-day", rtas_get_time_of_day); - spapr_rtas_register("set-time-of-day", rtas_set_time_of_day); - spapr_rtas_register("power-off", rtas_power_off); - spapr_rtas_register("system-reboot", rtas_system_reboot); - spapr_rtas_register("query-cpu-stopped-state", + spapr_rtas_register(RTAS_DISPLAY_CHARACTER, "display-character", + rtas_display_character); + spapr_rtas_register(RTAS_GET_TIME_OF_DAY, "get-time-of-day", + rtas_get_time_of_day); + spapr_rtas_register(RTAS_SET_TIME_OF_DAY, "set-time-of-day", + rtas_set_time_of_day); + spapr_rtas_register(RTAS_POWER_OFF, "power-off", rtas_power_off); + spapr_rtas_register(RTAS_SYSTEM_REBOOT, "system-reboot", + rtas_system_reboot); + spapr_rtas_register(RTAS_QUERY_CPU_STOPPED_STATE, "query-cpu-stopped-state", 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", + spapr_rtas_register(RTAS_START_CPU, "start-cpu", rtas_start_cpu); + spapr_rtas_register(RTAS_STOP_SELF, "stop-self", rtas_stop_self); + spapr_rtas_register(RTAS_IBM_GET_SYSTEM_PARAMETER, + "ibm,get-system-parameter", rtas_ibm_get_system_parameter); - spapr_rtas_register("ibm,set-system-parameter", + spapr_rtas_register(RTAS_IBM_SET_SYSTEM_PARAMETER, + "ibm,set-system-parameter", rtas_ibm_set_system_parameter); } |