summaryrefslogtreecommitdiffstats
path: root/hw/ppc/spapr_rtas.c
diff options
context:
space:
mode:
Diffstat (limited to 'hw/ppc/spapr_rtas.c')
-rw-r--r--hw/ppc/spapr_rtas.c91
1 files changed, 37 insertions, 54 deletions
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c
index 0db84c816d..bb19944686 100644
--- a/hw/ppc/spapr_rtas.c
+++ b/hw/ppc/spapr_rtas.c
@@ -46,6 +46,7 @@
#include "hw/ppc/spapr_drc.h"
#include "qemu/cutils.h"
#include "trace.h"
+#include "hw/ppc/fdt.h"
static sPAPRConfigureConnectorState *spapr_ccs_find(sPAPRMachineState *spapr,
uint32_t drc_index)
@@ -710,78 +711,60 @@ void spapr_rtas_register(int token, const char *name, spapr_rtas_fn fn)
rtas_table[token].fn = fn;
}
-int spapr_rtas_device_tree_setup(void *fdt, hwaddr rtas_addr,
- hwaddr rtas_size)
+void spapr_dt_rtas_tokens(void *fdt, int rtas)
{
- int ret;
int i;
- uint32_t lrdr_capacity[5];
- MachineState *machine = MACHINE(qdev_get_machine());
- sPAPRMachineState *spapr = SPAPR_MACHINE(machine);
- uint64_t max_hotplug_addr = spapr->hotplug_memory.base +
- memory_region_size(&spapr->hotplug_memory.mr);
- ret = fdt_add_mem_rsv(fdt, rtas_addr, rtas_size);
+ for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) {
+ struct rtas_call *call = &rtas_table[i];
+
+ if (!call->name) {
+ continue;
+ }
+
+ _FDT(fdt_setprop_cell(fdt, rtas, call->name, i + RTAS_TOKEN_BASE));
+ }
+}
+
+void spapr_load_rtas(sPAPRMachineState *spapr, void *fdt, hwaddr addr)
+{
+ int rtas_node;
+ int ret;
+
+ /* Copy RTAS blob into guest RAM */
+ cpu_physical_memory_write(addr, spapr->rtas_blob, spapr->rtas_size);
+
+ ret = fdt_add_mem_rsv(fdt, addr, spapr->rtas_size);
if (ret < 0) {
error_report("Couldn't add RTAS reserve entry: %s",
- fdt_strerror(ret));
- return ret;
+ fdt_strerror(ret));
+ exit(1);
}
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-base",
- rtas_addr);
+ /* Update the device tree with the blob's location */
+ rtas_node = fdt_path_offset(fdt, "/rtas");
+ assert(rtas_node >= 0);
+
+ ret = fdt_setprop_cell(fdt, rtas_node, "linux,rtas-base", addr);
if (ret < 0) {
error_report("Couldn't add linux,rtas-base property: %s",
- fdt_strerror(ret));
- return ret;
+ fdt_strerror(ret));
+ exit(1);
}
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "linux,rtas-entry",
- rtas_addr);
+ ret = fdt_setprop_cell(fdt, rtas_node, "linux,rtas-entry", addr);
if (ret < 0) {
error_report("Couldn't add linux,rtas-entry property: %s",
- fdt_strerror(ret));
- return ret;
+ fdt_strerror(ret));
+ exit(1);
}
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", "rtas-size",
- rtas_size);
+ ret = fdt_setprop_cell(fdt, rtas_node, "rtas-size", spapr->rtas_size);
if (ret < 0) {
error_report("Couldn't add rtas-size property: %s",
- fdt_strerror(ret));
- return ret;
+ fdt_strerror(ret));
+ exit(1);
}
-
- for (i = 0; i < RTAS_TOKEN_MAX - RTAS_TOKEN_BASE; i++) {
- struct rtas_call *call = &rtas_table[i];
-
- if (!call->name) {
- continue;
- }
-
- ret = qemu_fdt_setprop_cell(fdt, "/rtas", call->name,
- i + RTAS_TOKEN_BASE);
- if (ret < 0) {
- error_report("Couldn't add rtas token for %s: %s",
- call->name, fdt_strerror(ret));
- return ret;
- }
-
- }
-
- lrdr_capacity[0] = cpu_to_be32(max_hotplug_addr >> 32);
- lrdr_capacity[1] = cpu_to_be32(max_hotplug_addr & 0xffffffff);
- lrdr_capacity[2] = 0;
- lrdr_capacity[3] = cpu_to_be32(SPAPR_MEMORY_BLOCK_SIZE);
- lrdr_capacity[4] = cpu_to_be32(max_cpus/smp_threads);
- ret = qemu_fdt_setprop(fdt, "/rtas", "ibm,lrdr-capacity", lrdr_capacity,
- sizeof(lrdr_capacity));
- if (ret < 0) {
- error_report("Couldn't add ibm,lrdr-capacity rtas property");
- return ret;
- }
-
- return 0;
}
static void core_rtas_register_types(void)