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-rw-r--r--hw/openpic.c40
-rw-r--r--hw/ppc.c17
-rw-r--r--hw/ppc.h2
-rw-r--r--hw/ppc/e500.c17
-rw-r--r--linux-headers/asm-powerpc/kvm.h6
-rw-r--r--linux-headers/linux/kvm.h27
-rw-r--r--target-ppc/kvm.c21
-rw-r--r--target-ppc/kvm_ppc.h5
-rw-r--r--target-ppc/translate_init.c4
9 files changed, 115 insertions, 24 deletions
diff --git a/hw/openpic.c b/hw/openpic.c
index f6cc07bd6e..cc8ec35b5d 100644
--- a/hw/openpic.c
+++ b/hw/openpic.c
@@ -40,6 +40,7 @@
#include "sysbus.h"
#include "pci/msi.h"
#include "qemu/bitops.h"
+#include "ppc.h"
//#define DEBUG_OPENPIC
@@ -644,6 +645,26 @@ static inline void write_IRQreg_ivpr(OpenPICState *opp, int n_IRQ, uint32_t val)
opp->src[n_IRQ].ivpr);
}
+static void openpic_gcr_write(OpenPICState *opp, uint64_t val)
+{
+ bool mpic_proxy = false;
+
+ if (val & GCR_RESET) {
+ openpic_reset(&opp->busdev.qdev);
+ return;
+ }
+
+ opp->gcr &= ~opp->mpic_mode_mask;
+ opp->gcr |= val & opp->mpic_mode_mask;
+
+ /* Set external proxy mode */
+ if ((val & opp->mpic_mode_mask) == GCR_MODE_PROXY) {
+ mpic_proxy = true;
+ }
+
+ ppce500_set_mpic_proxy(mpic_proxy);
+}
+
static void openpic_gbl_write(void *opaque, hwaddr addr, uint64_t val,
unsigned len)
{
@@ -672,23 +693,7 @@ static void openpic_gbl_write(void *opaque, hwaddr addr, uint64_t val,
case 0x1000: /* FRR */
break;
case 0x1020: /* GCR */
- if (val & GCR_RESET) {
- openpic_reset(&opp->busdev.qdev);
- } else if (opp->mpic_mode_mask) {
- CPUArchState *env;
- int mpic_proxy = 0;
-
- opp->gcr &= ~opp->mpic_mode_mask;
- opp->gcr |= val & opp->mpic_mode_mask;
-
- /* Set external proxy mode */
- if ((val & opp->mpic_mode_mask) == GCR_MODE_PROXY) {
- mpic_proxy = 1;
- }
- for (env = first_cpu; env != NULL; env = env->next_cpu) {
- env->mpic_proxy = mpic_proxy;
- }
- }
+ openpic_gcr_write(opp, val);
break;
case 0x1080: /* VIR */
break;
@@ -1464,6 +1469,7 @@ static int openpic_init(SysBusDevice *dev)
opp->irq_ipi0 = RAVEN_IPI_IRQ;
opp->irq_tim0 = RAVEN_TMR_IRQ;
opp->brr1 = -1;
+ opp->mpic_mode_mask = GCR_MODE_MIXED;
list = list_le;
/* Don't map MSI region */
list[2].map = false;
diff --git a/hw/ppc.c b/hw/ppc.c
index e473f9e962..c52e22f708 100644
--- a/hw/ppc.c
+++ b/hw/ppc.c
@@ -428,6 +428,23 @@ void ppce500_irq_init(CPUPPCState *env)
env->irq_inputs = (void **)qemu_allocate_irqs(&ppce500_set_irq,
cpu, PPCE500_INPUT_NB);
}
+
+/* Enable or Disable the E500 EPR capability */
+void ppce500_set_mpic_proxy(bool enabled)
+{
+ CPUPPCState *env;
+
+ for (env = first_cpu; env != NULL; env = env->next_cpu) {
+ PowerPCCPU *cpu = ppc_env_get_cpu(env);
+ CPUState *cs = CPU(cpu);
+
+ env->mpic_proxy = enabled;
+ if (kvm_enabled()) {
+ kvmppc_set_mpic_proxy(POWERPC_CPU(cs), enabled);
+ }
+ }
+}
+
/*****************************************************************************/
/* PowerPC time base and decrementer emulation */
diff --git a/hw/ppc.h b/hw/ppc.h
index e73ae83b52..ee0cd16ee5 100644
--- a/hw/ppc.h
+++ b/hw/ppc.h
@@ -73,6 +73,8 @@ void ppc6xx_irq_init (CPUPPCState *env);
void ppc970_irq_init (CPUPPCState *env);
void ppcPOWER7_irq_init (CPUPPCState *env);
+void ppce500_set_mpic_proxy(bool enabled);
+
/* PPC machines for OpenBIOS */
enum {
ARCH_PREP = 0,
diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
index 7b3e2e6723..c36821a99f 100644
--- a/hw/ppc/e500.c
+++ b/hw/ppc/e500.c
@@ -41,6 +41,7 @@
#define UIMAGE_LOAD_BASE 0
#define DTC_LOAD_PAD 0x1800000
#define DTC_PAD_MASK 0xFFFFF
+#define DTB_MAX_SIZE (8 * 1024 * 1024)
#define INITRD_LOAD_PAD 0x2000000
#define INITRD_PAD_MASK 0xFFFFFF
@@ -463,7 +464,8 @@ void ppce500_init(PPCE500Params *params)
target_long kernel_size=0;
target_ulong dt_base = 0;
target_ulong initrd_base = 0;
- target_long initrd_size=0;
+ target_long initrd_size = 0;
+ target_ulong cur_base = 0;
int i = 0, j, k;
unsigned int pci_irq_nrs[4] = {1, 2, 3, 4};
qemu_irq **irqs, *mpic;
@@ -626,12 +628,17 @@ void ppce500_init(PPCE500Params *params)
params->kernel_filename);
exit(1);
}
+
+ cur_base = loadaddr + kernel_size;
+
+ /* Reserve space for dtb */
+ dt_base = (cur_base + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
+ cur_base += DTB_MAX_SIZE;
}
/* Load initrd. */
if (params->initrd_filename) {
- initrd_base = (loadaddr + kernel_size + INITRD_LOAD_PAD) &
- ~INITRD_PAD_MASK;
+ initrd_base = (cur_base + INITRD_LOAD_PAD) & ~INITRD_PAD_MASK;
initrd_size = load_image_targphys(params->initrd_filename, initrd_base,
ram_size - initrd_base);
@@ -640,6 +647,8 @@ void ppce500_init(PPCE500Params *params)
params->initrd_filename);
exit(1);
}
+
+ cur_base = initrd_base + initrd_size;
}
/* If we're loading a kernel directly, we must load the device tree too. */
@@ -647,13 +656,13 @@ void ppce500_init(PPCE500Params *params)
struct boot_info *boot_info;
int dt_size;
- dt_base = (loadaddr + kernel_size + DTC_LOAD_PAD) & ~DTC_PAD_MASK;
dt_size = ppce500_load_device_tree(env, params, dt_base, initrd_base,
initrd_size);
if (dt_size < 0) {
fprintf(stderr, "couldn't load device tree\n");
exit(1);
}
+ assert(dt_size < DTB_MAX_SIZE);
boot_info = env->load_info;
boot_info->entry = entry;
diff --git a/linux-headers/asm-powerpc/kvm.h b/linux-headers/asm-powerpc/kvm.h
index 2fba8a66fb..16064d00ad 100644
--- a/linux-headers/asm-powerpc/kvm.h
+++ b/linux-headers/asm-powerpc/kvm.h
@@ -114,7 +114,10 @@ struct kvm_regs {
/* Embedded Floating Point (SPE) -- IVOR32-34 if KVM_SREGS_E_IVOR */
#define KVM_SREGS_E_SPE (1 << 9)
-/* External Proxy (EXP) -- EPR */
+/*
+ * DEPRECATED! USE ONE_REG FOR THIS ONE!
+ * External Proxy (EXP) -- EPR
+ */
#define KVM_SREGS_EXP (1 << 10)
/* External PID (E.PD) -- EPSC/EPLC */
@@ -412,5 +415,6 @@ struct kvm_get_htab_header {
#define KVM_REG_PPC_VPA_DTL (KVM_REG_PPC | KVM_REG_SIZE_U128 | 0x84)
#define KVM_REG_PPC_EPCR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x85)
+#define KVM_REG_PPC_EPR (KVM_REG_PPC | KVM_REG_SIZE_U32 | 0x86)
#endif /* __LINUX_KVM_POWERPC_H */
diff --git a/linux-headers/linux/kvm.h b/linux-headers/linux/kvm.h
index bfdbf4d1ad..5af935761c 100644
--- a/linux-headers/linux/kvm.h
+++ b/linux-headers/linux/kvm.h
@@ -168,6 +168,8 @@ struct kvm_pit_config {
#define KVM_EXIT_PAPR_HCALL 19
#define KVM_EXIT_S390_UCONTROL 20
#define KVM_EXIT_WATCHDOG 21
+#define KVM_EXIT_S390_TSCH 22
+#define KVM_EXIT_EPR 23
/* For KVM_EXIT_INTERNAL_ERROR */
/* Emulate instruction failed. */
@@ -285,6 +287,19 @@ struct kvm_run {
__u64 ret;
__u64 args[9];
} papr_hcall;
+ /* KVM_EXIT_S390_TSCH */
+ struct {
+ __u16 subchannel_id;
+ __u16 subchannel_nr;
+ __u32 io_int_parm;
+ __u32 io_int_word;
+ __u32 ipb;
+ __u8 dequeued;
+ } s390_tsch;
+ /* KVM_EXIT_EPR */
+ struct {
+ __u32 epr;
+ } epr;
/* Fix the size of the union. */
char padding[256];
};
@@ -397,10 +412,20 @@ struct kvm_s390_psw {
#define KVM_S390_PROGRAM_INT 0xfffe0001u
#define KVM_S390_SIGP_SET_PREFIX 0xfffe0002u
#define KVM_S390_RESTART 0xfffe0003u
+#define KVM_S390_MCHK 0xfffe1000u
#define KVM_S390_INT_VIRTIO 0xffff2603u
#define KVM_S390_INT_SERVICE 0xffff2401u
#define KVM_S390_INT_EMERGENCY 0xffff1201u
#define KVM_S390_INT_EXTERNAL_CALL 0xffff1202u
+/* Anything below 0xfffe0000u is taken by INT_IO */
+#define KVM_S390_INT_IO(ai,cssid,ssid,schid) \
+ (((schid)) | \
+ ((ssid) << 16) | \
+ ((cssid) << 18) | \
+ ((ai) << 26))
+#define KVM_S390_INT_IO_MIN 0x00000000u
+#define KVM_S390_INT_IO_MAX 0xfffdffffu
+
struct kvm_s390_interrupt {
__u32 type;
@@ -635,6 +660,8 @@ struct kvm_ppc_smmu_info {
#define KVM_CAP_IRQFD_RESAMPLE 82
#define KVM_CAP_PPC_BOOKE_WATCHDOG 83
#define KVM_CAP_PPC_HTAB_FD 84
+#define KVM_CAP_S390_CSS_SUPPORT 85
+#define KVM_CAP_PPC_EPR 86
#ifdef KVM_CAP_IRQ_ROUTING
diff --git a/target-ppc/kvm.c b/target-ppc/kvm.c
index 19e9f25b19..2f4f06818a 100644
--- a/target-ppc/kvm.c
+++ b/target-ppc/kvm.c
@@ -846,6 +846,11 @@ int kvm_arch_handle_exit(CPUState *cs, struct kvm_run *run)
ret = 0;
break;
#endif
+ case KVM_EXIT_EPR:
+ dprintf("handle epr\n");
+ run->epr.epr = ldl_phys(env->mpic_iack);
+ ret = 0;
+ break;
default:
fprintf(stderr, "KVM: unknown exit reason %d\n", run->exit_reason);
ret = -1;
@@ -1057,6 +1062,22 @@ void kvmppc_set_papr(PowerPCCPU *cpu)
}
}
+void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
+{
+ CPUPPCState *env = &cpu->env;
+ CPUState *cs = CPU(cpu);
+ struct kvm_enable_cap cap = {};
+ int ret;
+
+ cap.cap = KVM_CAP_PPC_EPR;
+ cap.args[0] = mpic_proxy;
+ ret = kvm_vcpu_ioctl(cs, KVM_ENABLE_CAP, &cap);
+
+ if (ret && mpic_proxy) {
+ cpu_abort(env, "This KVM version does not support EPR\n");
+ }
+}
+
int kvmppc_smt_threads(void)
{
return cap_ppc_smt ? cap_ppc_smt : 1;
diff --git a/target-ppc/kvm_ppc.h b/target-ppc/kvm_ppc.h
index 3db21fc889..c30b006674 100644
--- a/target-ppc/kvm_ppc.h
+++ b/target-ppc/kvm_ppc.h
@@ -25,6 +25,7 @@ int kvmppc_get_hasidle(CPUPPCState *env);
int kvmppc_get_hypercall(CPUPPCState *env, uint8_t *buf, int buf_len);
int kvmppc_set_interrupt(PowerPCCPU *cpu, int irq, int level);
void kvmppc_set_papr(PowerPCCPU *cpu);
+void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy);
int kvmppc_smt_threads(void);
#ifndef CONFIG_USER_ONLY
off_t kvmppc_alloc_rma(const char *name, MemoryRegion *sysmem);
@@ -81,6 +82,10 @@ static inline void kvmppc_set_papr(PowerPCCPU *cpu)
{
}
+static inline void kvmppc_set_mpic_proxy(PowerPCCPU *cpu, int mpic_proxy)
+{
+}
+
static inline int kvmppc_smt_threads(void)
{
return 1;
diff --git a/target-ppc/translate_init.c b/target-ppc/translate_init.c
index 3f199c4bb9..2d78529273 100644
--- a/target-ppc/translate_init.c
+++ b/target-ppc/translate_init.c
@@ -8633,9 +8633,9 @@ static const ppc_def_t ppc_defs[] = {
POWERPC_DEF("e500v2_v22", CPU_POWERPC_e500v2_v22, e500v2),
/* PowerPC e500v2 v3.0 core */
POWERPC_DEF("e500v2_v30", CPU_POWERPC_e500v2_v30, e500v2),
- POWERPC_DEF("e500mc", CPU_POWERPC_e500mc, e500mc),
+ POWERPC_DEF_SVR("e500mc", CPU_POWERPC_e500mc, POWERPC_SVR_E500, e500mc),
#ifdef TARGET_PPC64
- POWERPC_DEF("e5500", CPU_POWERPC_e5500, e5500),
+ POWERPC_DEF_SVR("e5500", CPU_POWERPC_e5500, POWERPC_SVR_E500, e5500),
#endif
/* PowerPC e500 microcontrollers */
/* MPC8533 */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-26 15:56:24 +0000