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-rw-r--r--hw/ppc/spapr.c72
-rw-r--r--hw/ppc/spapr_hcall.c6
-rw-r--r--hw/ppc/spapr_pci.c13
3 files changed, 62 insertions, 29 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 74aa5cce51..7e53a5f977 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -62,7 +62,7 @@
*
* We load our kernel at 4M, leaving space for SLOF initial image
*/
-#define FDT_MAX_SIZE 0x10000
+#define FDT_MAX_SIZE 0x40000
#define RTAS_MAX_SIZE 0x10000
#define FW_MAX_SIZE 0x400000
#define FW_FILE_NAME "slof.bin"
@@ -161,14 +161,33 @@ static XICSState *try_create_xics(const char *type, int nr_servers,
return NULL;
}
- return XICS(dev);
+ return XICS_COMMON(dev);
}
static XICSState *xics_system_init(int nr_servers, int nr_irqs)
{
XICSState *icp = NULL;
- icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+ if (kvm_enabled()) {
+ QemuOpts *machine_opts = qemu_get_machine_opts();
+ bool irqchip_allowed = qemu_opt_get_bool(machine_opts,
+ "kernel_irqchip", true);
+ bool irqchip_required = qemu_opt_get_bool(machine_opts,
+ "kernel_irqchip", false);
+ if (irqchip_allowed) {
+ icp = try_create_xics(TYPE_KVM_XICS, nr_servers, nr_irqs);
+ }
+
+ if (irqchip_required && !icp) {
+ perror("Failed to create in-kernel XICS\n");
+ abort();
+ }
+ }
+
+ if (!icp) {
+ icp = try_create_xics(TYPE_XICS, nr_servers, nr_irqs);
+ }
+
if (!icp) {
perror("Failed to create XICS\n");
abort();
@@ -185,9 +204,8 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
int smt = kvmppc_smt_threads();
uint32_t pft_size_prop[] = {0, cpu_to_be32(spapr->htab_shift)};
- assert(spapr->cpu_model);
-
CPU_FOREACH(cpu) {
+ DeviceClass *dc = DEVICE_GET_CLASS(cpu);
uint32_t associativity[] = {cpu_to_be32(0x5),
cpu_to_be32(0x0),
cpu_to_be32(0x0),
@@ -199,7 +217,7 @@ static int spapr_fixup_cpu_dt(void *fdt, sPAPREnvironment *spapr)
continue;
}
- snprintf(cpu_model, 32, "/cpus/%s@%x", spapr->cpu_model,
+ snprintf(cpu_model, 32, "/cpus/%s@%x", dc->fw_name,
cpu->cpu_index);
offset = fdt_path_offset(fdt, cpu_model);
@@ -269,10 +287,10 @@ static size_t create_page_sizes_prop(CPUPPCState *env, uint32_t *prop,
} while (0)
-static void *spapr_create_fdt_skel(const char *cpu_model,
- hwaddr initrd_base,
+static void *spapr_create_fdt_skel(hwaddr initrd_base,
hwaddr initrd_size,
hwaddr kernel_size,
+ bool little_endian,
const char *boot_device,
const char *kernel_cmdline,
uint32_t epow_irq)
@@ -286,7 +304,6 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
char qemu_hypertas_prop[] = "hcall-memop1";
uint32_t refpoints[] = {cpu_to_be32(0x4), cpu_to_be32(0x4)};
uint32_t interrupt_server_ranges_prop[] = {0, cpu_to_be32(smp_cpus)};
- char *modelname;
int i, smt = kvmppc_smt_threads();
unsigned char vec5[] = {0x0, 0x0, 0x0, 0x0, 0x0, 0x80};
@@ -326,6 +343,9 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
cpu_to_be64(kernel_size) };
_FDT((fdt_property(fdt, "qemu,boot-kernel", &kprop, sizeof(kprop))));
+ if (little_endian) {
+ _FDT((fdt_property(fdt, "qemu,boot-kernel-le", NULL, 0)));
+ }
}
if (boot_device) {
_FDT((fdt_property_string(fdt, "qemu,boot-device", boot_device)));
@@ -342,18 +362,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_property_cell(fdt, "#address-cells", 0x1)));
_FDT((fdt_property_cell(fdt, "#size-cells", 0x0)));
- modelname = g_strdup(cpu_model);
-
- for (i = 0; i < strlen(modelname); i++) {
- modelname[i] = toupper(modelname[i]);
- }
-
- /* This is needed during FDT finalization */
- spapr->cpu_model = g_strdup(modelname);
-
CPU_FOREACH(cs) {
PowerPCCPU *cpu = POWERPC_CPU(cs);
CPUPPCState *env = &cpu->env;
+ DeviceClass *dc = DEVICE_GET_CLASS(cs);
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cs);
int index = cs->cpu_index;
uint32_t servers_prop[smp_threads];
@@ -370,7 +382,7 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
continue;
}
- nodename = g_strdup_printf("%s@%x", modelname, index);
+ nodename = g_strdup_printf("%s@%x", dc->fw_name, index);
_FDT((fdt_begin_node(fdt, nodename)));
@@ -418,6 +430,10 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_property(fdt, "ibm,ppc-interrupt-gserver#s",
gservers_prop, sizeof(gservers_prop))));
+ if (env->spr_cb[SPR_PURR].oea_read) {
+ _FDT((fdt_property(fdt, "ibm,purr", NULL, 0)));
+ }
+
if (env->mmu_model & POWERPC_MMU_1TSEG) {
_FDT((fdt_property(fdt, "ibm,processor-segment-sizes",
segs, sizeof(segs))));
@@ -450,8 +466,6 @@ static void *spapr_create_fdt_skel(const char *cpu_model,
_FDT((fdt_end_node(fdt)));
}
- g_free(modelname);
-
_FDT((fdt_end_node(fdt)));
/* RTAS */
@@ -1102,6 +1116,7 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
uint32_t initrd_base = 0;
long kernel_size = 0, initrd_size = 0;
long load_limit, rtas_limit, fw_size;
+ bool kernel_le = false;
char *filename;
msi_supported = true;
@@ -1175,8 +1190,6 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
}
env = &cpu->env;
- xics_cpu_setup(spapr->icp, cpu);
-
/* Set time-base frequency to 512 MHz */
cpu_ppc_tb_init(env, TIMEBASE_FREQ);
@@ -1190,6 +1203,8 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
kvmppc_set_papr(cpu);
}
+ xics_cpu_setup(spapr->icp, cpu);
+
qemu_register_reset(spapr_cpu_reset, cpu);
}
@@ -1282,6 +1297,12 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
kernel_size = load_elf(kernel_filename, translate_kernel_address, NULL,
NULL, &lowaddr, NULL, 1, ELF_MACHINE, 0);
if (kernel_size < 0) {
+ kernel_size = load_elf(kernel_filename,
+ translate_kernel_address, NULL,
+ NULL, &lowaddr, NULL, 0, ELF_MACHINE, 0);
+ kernel_le = kernel_size > 0;
+ }
+ if (kernel_size < 0) {
kernel_size = load_image_targphys(kernel_filename,
KERNEL_LOAD_ADDR,
load_limit - KERNEL_LOAD_ADDR);
@@ -1329,9 +1350,8 @@ static void ppc_spapr_init(QEMUMachineInitArgs *args)
&savevm_htab_handlers, spapr);
/* Prepare the device tree */
- spapr->fdt_skel = spapr_create_fdt_skel(cpu_model,
- initrd_base, initrd_size,
- kernel_size,
+ spapr->fdt_skel = spapr_create_fdt_skel(initrd_base, initrd_size,
+ kernel_size, kernel_le,
boot_device, kernel_cmdline,
spapr->epow_irq);
assert(spapr->fdt_skel != NULL);
diff --git a/hw/ppc/spapr_hcall.c b/hw/ppc/spapr_hcall.c
index f10ba8a932..f755a53923 100644
--- a/hw/ppc/spapr_hcall.c
+++ b/hw/ppc/spapr_hcall.c
@@ -521,9 +521,9 @@ static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr,
target_ulong opcode, target_ulong *args)
{
target_ulong rtas_r3 = args[0];
- uint32_t token = ldl_be_phys(rtas_r3);
- uint32_t nargs = ldl_be_phys(rtas_r3 + 4);
- uint32_t nret = ldl_be_phys(rtas_r3 + 8);
+ uint32_t token = rtas_ld(rtas_r3, 0);
+ uint32_t nargs = rtas_ld(rtas_r3, 1);
+ uint32_t nret = rtas_ld(rtas_r3, 2);
return spapr_rtas_call(cpu, spapr, token, nargs, rtas_r3 + 12,
nret, rtas_r3 + 12 + 4*nargs);
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 9b6ee32acf..edb4cb0413 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -432,6 +432,17 @@ static void pci_spapr_set_irq(void *opaque, int irq_num, int level)
qemu_set_irq(spapr_phb_lsi_qirq(phb, irq_num), level);
}
+static PCIINTxRoute spapr_route_intx_pin_to_irq(void *opaque, int pin)
+{
+ sPAPRPHBState *sphb = SPAPR_PCI_HOST_BRIDGE(opaque);
+ PCIINTxRoute route;
+
+ route.mode = PCI_INTX_ENABLED;
+ route.irq = sphb->lsi_table[pin].irq;
+
+ return route;
+}
+
/*
* MSI/MSIX memory region implementation.
* The handler handles both MSI and MSIX.
@@ -610,6 +621,8 @@ static int spapr_phb_init(SysBusDevice *s)
pci_setup_iommu(bus, spapr_pci_dma_iommu, sphb);
+ pci_bus_set_route_irq_fn(bus, spapr_route_intx_pin_to_irq);
+
QLIST_INSERT_HEAD(&spapr->phbs, sphb, list);
/* Initialize the LSI table */
generated by cgit v1.2.1 (git 2.18.0) at 2024-05-26 16:39:00 +0000