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-rw-r--r--hw/spapr.c77
1 files changed, 57 insertions, 20 deletions
diff --git a/hw/spapr.c b/hw/spapr.c
index 1265cee6d..b1189755d 100644
--- a/hw/spapr.c
+++ b/hw/spapr.c
@@ -38,6 +38,9 @@
#include "hw/spapr_vio.h"
#include "hw/xics.h"
+#include "kvm.h"
+#include "kvm_ppc.h"
+
#include <libfdt.h>
#define KERNEL_LOAD_ADDR 0x00000000
@@ -54,8 +57,34 @@
#define MAX_CPUS 256
#define XICS_IRQS 1024
+#define PHANDLE_XICP 0x00001111
+
sPAPREnvironment *spapr;
+qemu_irq spapr_allocate_irq(uint32_t hint, uint32_t *irq_num)
+{
+ uint32_t irq;
+ qemu_irq qirq;
+
+ if (hint) {
+ irq = hint;
+ /* FIXME: we should probably check for collisions somehow */
+ } else {
+ irq = spapr->next_irq++;
+ }
+
+ qirq = xics_find_qirq(spapr->icp, irq);
+ if (!qirq) {
+ return NULL;
+ }
+
+ if (irq_num) {
+ *irq_num = irq;
+ }
+
+ return qirq;
+}
+
static void *spapr_create_fdt_skel(const char *cpu_model,
target_phys_addr_t initrd_base,
target_phys_addr_t initrd_size,
@@ -70,7 +99,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
uint32_t end_prop = cpu_to_be32(initrd_base + initrd_size);
uint32_t pft_size_prop[] = {0, cpu_to_be32(hash_shift)};
char hypertas_prop[] = "hcall-pft\0hcall-term\0hcall-dabr\0hcall-interrupt"
- "\0hcall-tce\0hcall-vio\0hcall-splpar";
+ "\0hcall-tce\0hcall-vio\0hcall-splpar\0hcall-bulk";
uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
int i;
char *modelname;
@@ -137,6 +166,8 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
char *nodename;
uint32_t segs[] = {cpu_to_be32(28), cpu_to_be32(40),
0xffffffff, 0xffffffff};
+ uint32_t tbfreq = kvm_enabled() ? kvmppc_get_tbfreq() : TIMEBASE_FREQ;
+ uint32_t cpufreq = kvm_enabled() ? kvmppc_get_clockfreq() : 1000000000;
if (asprintf(&nodename, "%s@%x", modelname, index) < 0) {
fprintf(stderr, "Allocation failure\n");
@@ -155,10 +186,8 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
env->dcache_line_size)));
_FDT((fdt_property_cell(fdt, "icache-block-size",
env->icache_line_size)));
- _FDT((fdt_property_cell(fdt, "timebase-frequency", TIMEBASE_FREQ)));
- /* Hardcode CPU frequency for now. It's kind of arbitrary on
- * full emu, for kvm we should copy it from the host */
- _FDT((fdt_property_cell(fdt, "clock-frequency", 1000000000)));
+ _FDT((fdt_property_cell(fdt, "timebase-frequency", tbfreq)));
+ _FDT((fdt_property_cell(fdt, "clock-frequency", cpufreq)));
_FDT((fdt_property_cell(fdt, "ibm,slb-size", env->slb_nr)));
_FDT((fdt_property(fdt, "ibm,pft-size",
pft_size_prop, sizeof(pft_size_prop))));
@@ -189,16 +218,18 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_end_node(fdt)));
/* interrupt controller */
- _FDT((fdt_begin_node(fdt, "interrupt-controller@0")));
+ _FDT((fdt_begin_node(fdt, "interrupt-controller")));
_FDT((fdt_property_string(fdt, "device_type",
"PowerPC-External-Interrupt-Presentation")));
_FDT((fdt_property_string(fdt, "compatible", "IBM,ppc-xicp")));
- _FDT((fdt_property_cell(fdt, "reg", 0)));
_FDT((fdt_property(fdt, "interrupt-controller", NULL, 0)));
_FDT((fdt_property(fdt, "ibm,interrupt-server-ranges",
interrupt_server_ranges_prop,
sizeof(interrupt_server_ranges_prop))));
+ _FDT((fdt_property_cell(fdt, "#interrupt-cells", 2)));
+ _FDT((fdt_property_cell(fdt, "linux,phandle", PHANDLE_XICP)));
+ _FDT((fdt_property_cell(fdt, "phandle", PHANDLE_XICP)));
_FDT((fdt_end_node(fdt)));
@@ -298,7 +329,6 @@ static void ppc_spapr_init(ram_addr_t ram_size,
long kernel_size, initrd_size, fw_size;
long pteg_shift = 17;
char *filename;
- int irq = 16;
spapr = g_malloc(sizeof(*spapr));
cpu_ppc_hypercall = emulate_spapr_hypercall;
@@ -330,19 +360,29 @@ static void ppc_spapr_init(ram_addr_t ram_size,
}
/* allocate RAM */
- ram_offset = qemu_ram_alloc(NULL, "ppc_spapr.ram", ram_size);
+ spapr->ram_limit = ram_size;
+ ram_offset = qemu_ram_alloc(NULL, "ppc_spapr.ram", spapr->ram_limit);
cpu_register_physical_memory(0, ram_size, ram_offset);
/* allocate hash page table. For now we always make this 16mb,
* later we should probably make it scale to the size of guest
* RAM */
spapr->htab_size = 1ULL << (pteg_shift + 7);
- spapr->htab = g_malloc(spapr->htab_size);
+ spapr->htab = qemu_memalign(spapr->htab_size, spapr->htab_size);
for (env = first_cpu; env != NULL; env = env->next_cpu) {
env->external_htab = spapr->htab;
env->htab_base = -1;
env->htab_mask = spapr->htab_size - 1;
+
+ /* Tell KVM that we're in PAPR mode */
+ env->spr[SPR_SDR1] = (unsigned long)spapr->htab |
+ ((pteg_shift + 7) - 18);
+ env->spr[SPR_HIOR] = 0;
+
+ if (kvm_enabled()) {
+ kvmppc_set_papr(env);
+ }
}
filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "spapr-rtas.bin");
@@ -356,19 +396,19 @@ static void ppc_spapr_init(ram_addr_t ram_size,
/* Set up Interrupt Controller */
spapr->icp = xics_system_init(XICS_IRQS);
+ spapr->next_irq = 16;
/* Set up VIO bus */
spapr->vio_bus = spapr_vio_bus_init();
- for (i = 0; i < MAX_SERIAL_PORTS; i++, irq++) {
+ for (i = 0; i < MAX_SERIAL_PORTS; i++) {
if (serial_hds[i]) {
spapr_vty_create(spapr->vio_bus, SPAPR_VTY_BASE_ADDRESS + i,
- serial_hds[i], xics_find_qirq(spapr->icp, irq),
- irq);
+ serial_hds[i]);
}
}
- for (i = 0; i < nb_nics; i++, irq++) {
+ for (i = 0; i < nb_nics; i++) {
NICInfo *nd = &nd_table[i];
if (!nd->model) {
@@ -376,8 +416,7 @@ static void ppc_spapr_init(ram_addr_t ram_size,
}
if (strcmp(nd->model, "ibmveth") == 0) {
- spapr_vlan_create(spapr->vio_bus, 0x1000 + i, nd,
- xics_find_qirq(spapr->icp, irq), irq);
+ spapr_vlan_create(spapr->vio_bus, 0x1000 + i, nd);
} else {
fprintf(stderr, "pSeries (sPAPR) platform does not support "
"NIC model '%s' (only ibmveth is supported)\n",
@@ -387,9 +426,7 @@ static void ppc_spapr_init(ram_addr_t ram_size,
}
for (i = 0; i <= drive_get_max_bus(IF_SCSI); i++) {
- spapr_vscsi_create(spapr->vio_bus, 0x2000 + i,
- xics_find_qirq(spapr->icp, irq), irq);
- irq++;
+ spapr_vscsi_create(spapr->vio_bus, 0x2000 + i);
}
if (kernel_filename) {
@@ -430,7 +467,7 @@ static void ppc_spapr_init(ram_addr_t ram_size,
"%ldM guest RAM\n", MIN_RAM_SLOF);
exit(1);
}
- filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, "slof.bin");
+ filename = qemu_find_file(QEMU_FILE_TYPE_BIOS, FW_FILE_NAME);
fw_size = load_image_targphys(filename, 0, FW_MAX_SIZE);
if (fw_size < 0) {
hw_error("qemu: could not load LPAR rtas '%s'\n", filename);
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 09:08:49 +0000