haraldwolff/qemu-patch-raspberry4
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Merge remote branch 'agraf/ppc-next' into staging

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This commit is contained in:
Anthony Liguori 2010-09-08 14:29:13 -05:00
parent aab2e8f79a 42a8765829
commit 53462f4aeb
5 changed files with 149 additions and 52 deletions
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8
MAINTAINERS
View file

@ -14,7 +14,7 @@ x86 Fabrice Bellard
ARM Paul Brook
SPARC Blue Swirl
MIPS ?
PowerPC ?
PowerPC Alexander Graf
M68K Paul Brook
SH4 ?
CRIS Edgar E. Iglesias
@ -48,9 +48,9 @@ MIPS
mips_mipssim.c ?
PowerPC
ppc_prep.c ?
ppc_oldworld.c Fabrice Bellard
ppc_chrp.c Fabrice Bellard
ppc405_boards.c ?
ppc_oldworld.c Alexander Graf
ppc_newworld.c Alexander Graf
ppc405_boards.c Alexander Graf
M86K
mcf5208.c Paul Brook
an5206.c Paul Brook

11
hw/ppc.c
View file

@ -28,6 +28,8 @@
#include "nvram.h"
#include "qemu-log.h"
#include "loader.h"
#include "kvm.h"
#include "kvm_ppc.h"
//#define PPC_DEBUG_IRQ
//#define PPC_DEBUG_TB
@ -50,6 +52,8 @@ static void cpu_ppc_tb_start (CPUState *env);
static void ppc_set_irq (CPUState *env, int n_IRQ, int level)
{
unsigned int old_pending = env->pending_interrupts;
if (level) {
env->pending_interrupts |= 1 << n_IRQ;
cpu_interrupt(env, CPU_INTERRUPT_HARD);
@ -58,6 +62,13 @@ static void ppc_set_irq (CPUState *env, int n_IRQ, int level)
if (env->pending_interrupts == 0)
cpu_reset_interrupt(env, CPU_INTERRUPT_HARD);
}
if (old_pending != env->pending_interrupts) {
#ifdef CONFIG_KVM
kvmppc_set_interrupt(env, n_IRQ, level);
#endif
}
LOG_IRQ("%s: %p n_IRQ %d level %d => pending %08" PRIx32
"req %08x\n", __func__, env, n_IRQ, level,
env->pending_interrupts, env->interrupt_request);

132
hw/ppce500_pci.c
View file

@ -73,11 +73,11 @@ struct pci_inbound {
};
struct PPCE500PCIState {
PCIHostState pci_state;
struct pci_outbound pob[PPCE500_PCI_NR_POBS];
struct pci_inbound pib[PPCE500_PCI_NR_PIBS];
uint32_t gasket_time;
PCIHostState pci_state;
PCIDevice *pci_dev;
uint64_t base_addr;
};
typedef struct PPCE500PCIState PPCE500PCIState;
@ -221,7 +221,7 @@ static void ppce500_pci_save(QEMUFile *f, void *opaque)
PPCE500PCIState *controller = opaque;
int i;
pci_device_save(controller->pci_dev, f);
/* pci_device_save(controller->pci_dev, f); */
for (i = 0; i < PPCE500_PCI_NR_POBS; i++) {
qemu_put_be32s(f, &controller->pob[i].potar);
@ -247,7 +247,7 @@ static int ppce500_pci_load(QEMUFile *f, void *opaque, int version_id)
if (version_id != 1)
return -EINVAL;
pci_device_load(controller->pci_dev, f);
/* pci_device_load(controller->pci_dev, f); */
for (i = 0; i < PPCE500_PCI_NR_POBS; i++) {
qemu_get_be32s(f, &controller->pob[i].potar);
@ -269,55 +269,95 @@ static int ppce500_pci_load(QEMUFile *f, void *opaque, int version_id)
PCIBus *ppce500_pci_init(qemu_irq pci_irqs[4], target_phys_addr_t registers)
{
PPCE500PCIState *controller;
DeviceState *dev;
PCIBus *b;
PCIHostState *h;
PPCE500PCIState *s;
PCIDevice *d;
int index;
static int ppce500_pci_id;
controller = qemu_mallocz(sizeof(PPCE500PCIState));
dev = qdev_create(NULL, "e500-pcihost");
h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
s = DO_UPCAST(PPCE500PCIState, pci_state, h);
controller->pci_state.bus = pci_register_bus(NULL, "pci",
mpc85xx_pci_set_irq,
mpc85xx_pci_map_irq,
pci_irqs, PCI_DEVFN(0x11, 0),
4);
d = pci_register_device(controller->pci_state.bus,
"host bridge", sizeof(PCIDevice),
0, NULL, NULL);
qdev_prop_set_uint64(dev, "base_addr", registers);
b = pci_register_bus(&s->pci_state.busdev.qdev, NULL, mpc85xx_pci_set_irq,
mpc85xx_pci_map_irq, pci_irqs, PCI_DEVFN(0x11, 0), 4);
pci_config_set_vendor_id(d->config, PCI_VENDOR_ID_FREESCALE);
pci_config_set_device_id(d->config, PCI_DEVICE_ID_MPC8533E);
pci_config_set_class(d->config, PCI_CLASS_PROCESSOR_POWERPC);
controller->pci_dev = d;
/* CFGADDR */
index = pci_host_conf_register_mmio(&controller->pci_state, 0);
if (index < 0)
goto free;
cpu_register_physical_memory(registers + PCIE500_CFGADDR, 4, index);
/* CFGDATA */
index = pci_host_data_register_mmio(&controller->pci_state, 0);
if (index < 0)
goto free;
cpu_register_physical_memory(registers + PCIE500_CFGDATA, 4, index);
index = cpu_register_io_memory(e500_pci_reg_read,
e500_pci_reg_write, controller);
if (index < 0)
goto free;
cpu_register_physical_memory(registers + PCIE500_REG_BASE,
PCIE500_REG_SIZE, index);
s->pci_state.bus = b;
qdev_init_nofail(dev);
d = pci_create_simple(b, 0, "e500-host-bridge");
/* XXX load/save code not tested. */
register_savevm(&d->qdev, "ppce500_pci", ppce500_pci_id++,
1, ppce500_pci_save, ppce500_pci_load, controller);
1, ppce500_pci_save, ppce500_pci_load, s);
return controller->pci_state.bus;
free:
printf("%s error\n", __func__);
qemu_free(controller);
return NULL;
return b;
}
static int e500_pcihost_initfn(SysBusDevice *dev)
{
PCIHostState *h;
PPCE500PCIState *s;
target_phys_addr_t registers;
int index;
h = FROM_SYSBUS(PCIHostState, sysbus_from_qdev(dev));
s = DO_UPCAST(PPCE500PCIState, pci_state, h);
registers = (target_phys_addr_t)s->base_addr;
/* CFGADDR */
index = pci_host_conf_register_mmio(&s->pci_state, 0);
if (index < 0)
return -1;
cpu_register_physical_memory(registers + PCIE500_CFGADDR, 4, index);
/* CFGDATA */
index = pci_host_data_register_mmio(&s->pci_state, 1);
if (index < 0)
return -1;
cpu_register_physical_memory(registers + PCIE500_CFGDATA, 4, index);
index = cpu_register_io_memory(e500_pci_reg_read,
e500_pci_reg_write, s);
if (index < 0)
return -1;
cpu_register_physical_memory(registers + PCIE500_REG_BASE,
PCIE500_REG_SIZE, index);
return 0;
}
static int e500_host_bridge_initfn(PCIDevice *dev)
{
pci_config_set_vendor_id(dev->config, PCI_VENDOR_ID_FREESCALE);
pci_config_set_device_id(dev->config, PCI_DEVICE_ID_MPC8533E);
pci_config_set_class(dev->config, PCI_CLASS_PROCESSOR_POWERPC);
return 0;
}
static PCIDeviceInfo e500_host_bridge_info = {
.qdev.name = "e500-host-bridge",
.qdev.desc = "Host bridge",
.qdev.size = sizeof(PCIDevice),
.qdev.no_user = 1,
.init = e500_host_bridge_initfn,
};
static SysBusDeviceInfo e500_pcihost_info = {
.init = e500_pcihost_initfn,
.qdev.name = "e500-pcihost",
.qdev.size = sizeof(PPCE500PCIState),
.qdev.no_user = 1,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT64("base_addr", PPCE500PCIState, base_addr, 0),
DEFINE_PROP_END_OF_LIST(),
}
};
static void e500_pci_register(void)
{
sysbus_register_withprop(&e500_pcihost_info);
pci_qdev_register(&e500_host_bridge_info);
}
device_init(e500_pci_register);

37
target-ppc/kvm.c
View file

@ -37,6 +37,9 @@
do { } while (0)
#endif
static int cap_interrupt_unset = false;
static int cap_interrupt_level = false;
/* XXX We have a race condition where we actually have a level triggered
* interrupt, but the infrastructure can't expose that yet, so the guest
* takes but ignores it, goes to sleep and never gets notified that there's
@ -55,6 +58,18 @@ static void kvm_kick_env(void *env)
int kvm_arch_init(KVMState *s, int smp_cpus)
{
#ifdef KVM_CAP_PPC_UNSET_IRQ
cap_interrupt_unset = kvm_check_extension(s, KVM_CAP_PPC_UNSET_IRQ);
#endif
#ifdef KVM_CAP_PPC_IRQ_LEVEL
cap_interrupt_level = kvm_check_extension(s, KVM_CAP_PPC_IRQ_LEVEL);
#endif
if (!cap_interrupt_level) {
fprintf(stderr, "KVM: Couldn't find level irq capability. Expect the "
"VM to stall at times!\n");
}
return 0;
}
@ -178,6 +193,23 @@ int kvm_arch_get_registers(CPUState *env)
return 0;
}
int kvmppc_set_interrupt(CPUState *env, int irq, int level)
{
unsigned virq = level ? KVM_INTERRUPT_SET_LEVEL : KVM_INTERRUPT_UNSET;
if (irq != PPC_INTERRUPT_EXT) {
return 0;
}
if (!kvm_enabled() || !cap_interrupt_unset || !cap_interrupt_level) {
return 0;
}
kvm_vcpu_ioctl(env, KVM_INTERRUPT, &virq);
return 0;
}
#if defined(TARGET_PPCEMB)
#define PPC_INPUT_INT PPC40x_INPUT_INT
#elif defined(TARGET_PPC64)
@ -193,7 +225,8 @@ int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
/* PowerPC Qemu tracks the various core input pins (interrupt, critical
* interrupt, reset, etc) in PPC-specific env->irq_input_state. */
if (run->ready_for_interrupt_injection &&
if (!cap_interrupt_level &&
run->ready_for_interrupt_injection &&
(env->interrupt_request & CPU_INTERRUPT_HARD) &&
(env->irq_input_state & (1<<PPC_INPUT_INT)))
{
@ -201,7 +234,7 @@ int kvm_arch_pre_run(CPUState *env, struct kvm_run *run)
* future KVM could cache it in-kernel to avoid a heavyweight exit
* when reading the UIC.
*/
irq = -1U;
irq = KVM_INTERRUPT_SET;
dprintf("injected interrupt %d\n", irq);
r = kvm_vcpu_ioctl(env, KVM_INTERRUPT, &irq);

13
target-ppc/kvm_ppc.h
View file

@ -16,5 +16,18 @@ int kvmppc_read_host_property(const char *node_path, const char *prop,
uint32_t kvmppc_get_tbfreq(void);
int kvmppc_get_hypercall(CPUState *env, uint8_t *buf, int buf_len);
int kvmppc_set_interrupt(CPUState *env, int irq, int level);
#ifndef KVM_INTERRUPT_SET
#define KVM_INTERRUPT_SET -1
#endif
#ifndef KVM_INTERRUPT_UNSET
#define KVM_INTERRUPT_UNSET -2
#endif
#ifndef KVM_INTERRUPT_SET_LEVEL
#define KVM_INTERRUPT_SET_LEVEL -3
#endif
#endif /* __KVM_PPC_H__ */