+#include "qemu/osdep.h"
+#include "qapi/error.h"
#include "sysemu/sysemu.h"
#include "cpu.h"
#include "helper_regs.h"
run_on_cpu(cs, do_spr_sync, &s);
}
-static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r,
- target_ulong pte_index)
+static bool has_spr(PowerPCCPU *cpu, int spr)
{
- target_ulong rb, va_low;
-
- rb = (v & ~0x7fULL) << 16; /* AVA field */
- va_low = pte_index >> 3;
- if (v & HPTE64_V_SECONDARY) {
- va_low = ~va_low;
- }
- /* xor vsid from AVA */
- if (!(v & HPTE64_V_1TB_SEG)) {
- va_low ^= v >> 12;
- } else {
- va_low ^= v >> 24;
- }
- va_low &= 0x7ff;
- if (v & HPTE64_V_LARGE) {
- rb |= 1; /* L field */
-#if 0 /* Disable that P7 specific bit for now */
- if (r & 0xff000) {
- /* non-16MB large page, must be 64k */
- /* (masks depend on page size) */
- rb |= 0x1000; /* page encoding in LP field */
- rb |= (va_low & 0x7f) << 16; /* 7b of VA in AVA/LP field */
- rb |= (va_low & 0xfe); /* AVAL field */
- }
-#endif
- } else {
- /* 4kB page */
- rb |= (va_low & 0x7ff) << 12; /* remaining 11b of AVA */
- }
- rb |= (v >> 54) & 0x300; /* B field */
- return rb;
+ /* We can test whether the SPR is defined by checking for a valid name */
+ return cpu->env.spr_cb[spr].name != NULL;
}
static inline bool valid_pte_index(CPUPPCState *env, target_ulong pte_index)
return true;
}
+static bool is_ram_address(sPAPRMachineState *spapr, hwaddr addr)
+{
+ MachineState *machine = MACHINE(spapr);
+ MemoryHotplugState *hpms = &spapr->hotplug_memory;
+
+ if (addr < machine->ram_size) {
+ return true;
+ }
+ if ((addr >= hpms->base)
+ && ((addr - hpms->base) < memory_region_size(&hpms->mr))) {
+ return true;
+ }
+
+ return false;
+}
+
static target_ulong h_enter(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- MachineState *machine = MACHINE(spapr);
CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
target_ulong pte_index = args[1];
target_ulong pteh = args[2];
target_ulong ptel = args[3];
- target_ulong page_shift = 12;
+ unsigned apshift, spshift;
target_ulong raddr;
target_ulong index;
uint64_t token;
- /* only handle 4k and 16M pages for now */
- if (pteh & HPTE64_V_LARGE) {
-#if 0 /* We don't support 64k pages yet */
- if ((ptel & 0xf000) == 0x1000) {
- /* 64k page */
- } else
-#endif
- if ((ptel & 0xff000) == 0) {
- /* 16M page */
- page_shift = 24;
- /* lowest AVA bit must be 0 for 16M pages */
- if (pteh & 0x80) {
- return H_PARAMETER;
- }
- } else {
- return H_PARAMETER;
- }
+ apshift = ppc_hash64_hpte_page_shift_noslb(cpu, pteh, ptel, &spshift);
+ if (!apshift) {
+ /* Bad page size encoding */
+ return H_PARAMETER;
}
- raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << page_shift) - 1);
+ raddr = (ptel & HPTE64_R_RPN) & ~((1ULL << apshift) - 1);
- if (raddr < machine->ram_size) {
+ if (is_ram_address(spapr, raddr)) {
/* Regular RAM - should have WIMG=0010 */
if ((ptel & HPTE64_R_WIMG) != HPTE64_R_M) {
return H_PARAMETER;
pte_index &= ~7ULL;
token = ppc_hash64_start_access(cpu, pte_index);
for (; index < 8; index++) {
- if ((ppc_hash64_load_hpte0(env, token, index) & HPTE64_V_VALID) == 0) {
+ if (!(ppc_hash64_load_hpte0(cpu, token, index) & HPTE64_V_VALID)) {
break;
}
}
- ppc_hash64_stop_access(token);
+ ppc_hash64_stop_access(cpu, token);
if (index == 8) {
return H_PTEG_FULL;
}
} else {
token = ppc_hash64_start_access(cpu, pte_index);
- if (ppc_hash64_load_hpte0(env, token, 0) & HPTE64_V_VALID) {
- ppc_hash64_stop_access(token);
+ if (ppc_hash64_load_hpte0(cpu, token, 0) & HPTE64_V_VALID) {
+ ppc_hash64_stop_access(cpu, token);
return H_PTEG_FULL;
}
- ppc_hash64_stop_access(token);
+ ppc_hash64_stop_access(cpu, token);
}
- ppc_hash64_store_hpte(env, pte_index + index,
+ ppc_hash64_store_hpte(cpu, pte_index + index,
pteh | HPTE64_V_HPTE_DIRTY, ptel);
args[0] = pte_index + index;
REMOVE_HW = 3,
} RemoveResult;
-static RemoveResult remove_hpte(CPUPPCState *env, target_ulong ptex,
+static RemoveResult remove_hpte(PowerPCCPU *cpu, target_ulong ptex,
target_ulong avpn,
target_ulong flags,
target_ulong *vp, target_ulong *rp)
{
+ CPUPPCState *env = &cpu->env;
uint64_t token;
- target_ulong v, r, rb;
+ target_ulong v, r;
if (!valid_pte_index(env, ptex)) {
return REMOVE_PARM;
}
- token = ppc_hash64_start_access(ppc_env_get_cpu(env), ptex);
- v = ppc_hash64_load_hpte0(env, token, 0);
- r = ppc_hash64_load_hpte1(env, token, 0);
- ppc_hash64_stop_access(token);
+ token = ppc_hash64_start_access(cpu, ptex);
+ v = ppc_hash64_load_hpte0(cpu, token, 0);
+ r = ppc_hash64_load_hpte1(cpu, token, 0);
+ ppc_hash64_stop_access(cpu, token);
if ((v & HPTE64_V_VALID) == 0 ||
((flags & H_AVPN) && (v & ~0x7fULL) != avpn) ||
}
*vp = v;
*rp = r;
- ppc_hash64_store_hpte(env, ptex, HPTE64_V_HPTE_DIRTY, 0);
- rb = compute_tlbie_rb(v, r, ptex);
- ppc_tlb_invalidate_one(env, rb);
+ ppc_hash64_store_hpte(cpu, ptex, HPTE64_V_HPTE_DIRTY, 0);
+ ppc_hash64_tlb_flush_hpte(cpu, ptex, v, r);
return REMOVE_SUCCESS;
}
static target_ulong h_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- CPUPPCState *env = &cpu->env;
target_ulong flags = args[0];
target_ulong pte_index = args[1];
target_ulong avpn = args[2];
RemoveResult ret;
- ret = remove_hpte(env, pte_index, avpn, flags,
+ ret = remove_hpte(cpu, pte_index, avpn, flags,
&args[0], &args[1]);
switch (ret) {
static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- CPUPPCState *env = &cpu->env;
int i;
for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) {
return H_PARAMETER;
}
- ret = remove_hpte(env, *tsh & H_BULK_REMOVE_PTEX, tsl,
+ ret = remove_hpte(cpu, *tsh & H_BULK_REMOVE_PTEX, tsl,
(*tsh & H_BULK_REMOVE_FLAGS) >> 26,
&v, &r);
target_ulong pte_index = args[1];
target_ulong avpn = args[2];
uint64_t token;
- target_ulong v, r, rb;
+ target_ulong v, r;
if (!valid_pte_index(env, pte_index)) {
return H_PARAMETER;
}
token = ppc_hash64_start_access(cpu, pte_index);
- v = ppc_hash64_load_hpte0(env, token, 0);
- r = ppc_hash64_load_hpte1(env, token, 0);
- ppc_hash64_stop_access(token);
+ v = ppc_hash64_load_hpte0(cpu, token, 0);
+ r = ppc_hash64_load_hpte1(cpu, token, 0);
+ ppc_hash64_stop_access(cpu, token);
if ((v & HPTE64_V_VALID) == 0 ||
((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) {
r |= (flags << 55) & HPTE64_R_PP0;
r |= (flags << 48) & HPTE64_R_KEY_HI;
r |= flags & (HPTE64_R_PP | HPTE64_R_N | HPTE64_R_KEY_LO);
- rb = compute_tlbie_rb(v, r, pte_index);
- ppc_hash64_store_hpte(env, pte_index,
+ ppc_hash64_store_hpte(cpu, pte_index,
(v & ~HPTE64_V_VALID) | HPTE64_V_HPTE_DIRTY, 0);
- ppc_tlb_invalidate_one(env, rb);
+ ppc_hash64_tlb_flush_hpte(cpu, pte_index, v, r);
/* Don't need a memory barrier, due to qemu's global lock */
- ppc_hash64_store_hpte(env, pte_index, v | HPTE64_V_HPTE_DIRTY, r);
+ ppc_hash64_store_hpte(cpu, pte_index, v | HPTE64_V_HPTE_DIRTY, r);
return H_SUCCESS;
}
return H_SUCCESS;
}
+static target_ulong h_set_sprg0(PowerPCCPU *cpu, sPAPRMachineState *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ cpu_synchronize_state(CPU(cpu));
+ cpu->env.spr[SPR_SPRG0] = args[0];
+
+ return H_SUCCESS;
+}
+
static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
target_ulong opcode, target_ulong *args)
{
- /* FIXME: actually implement this */
- return H_HARDWARE;
+ if (!has_spr(cpu, SPR_DABR)) {
+ return H_HARDWARE; /* DABR register not available */
+ }
+ cpu_synchronize_state(CPU(cpu));
+
+ if (has_spr(cpu, SPR_DABRX)) {
+ cpu->env.spr[SPR_DABRX] = 0x3; /* Use Problem and Privileged state */
+ } else if (!(args[0] & 0x4)) { /* Breakpoint Translation set? */
+ return H_RESERVED_DABR;
+ }
+
+ cpu->env.spr[SPR_DABR] = args[0];
+ return H_SUCCESS;
+}
+
+static target_ulong h_set_xdabr(PowerPCCPU *cpu, sPAPRMachineState *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ target_ulong dabrx = args[1];
+
+ if (!has_spr(cpu, SPR_DABR) || !has_spr(cpu, SPR_DABRX)) {
+ return H_HARDWARE;
+ }
+
+ if ((dabrx & ~0xfULL) != 0 || (dabrx & H_DABRX_HYPERVISOR) != 0
+ || (dabrx & (H_DABRX_KERNEL | H_DABRX_USER)) == 0) {
+ return H_PARAMETER;
+ }
+
+ cpu_synchronize_state(CPU(cpu));
+ cpu->env.spr[SPR_DABRX] = dabrx;
+ cpu->env.spr[SPR_DABR] = args[0];
+
+ return H_SUCCESS;
+}
+
+static target_ulong h_page_init(PowerPCCPU *cpu, sPAPRMachineState *spapr,
+ target_ulong opcode, target_ulong *args)
+{
+ target_ulong flags = args[0];
+ hwaddr dst = args[1];
+ hwaddr src = args[2];
+ hwaddr len = TARGET_PAGE_SIZE;
+ uint8_t *pdst, *psrc;
+ target_long ret = H_SUCCESS;
+
+ if (flags & ~(H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE
+ | H_COPY_PAGE | H_ZERO_PAGE)) {
+ qemu_log_mask(LOG_UNIMP, "h_page_init: Bad flags (" TARGET_FMT_lx "\n",
+ flags);
+ return H_PARAMETER;
+ }
+
+ /* Map-in destination */
+ if (!is_ram_address(spapr, dst) || (dst & ~TARGET_PAGE_MASK) != 0) {
+ return H_PARAMETER;
+ }
+ pdst = cpu_physical_memory_map(dst, &len, 1);
+ if (!pdst || len != TARGET_PAGE_SIZE) {
+ return H_PARAMETER;
+ }
+
+ if (flags & H_COPY_PAGE) {
+ /* Map-in source, copy to destination, and unmap source again */
+ if (!is_ram_address(spapr, src) || (src & ~TARGET_PAGE_MASK) != 0) {
+ ret = H_PARAMETER;
+ goto unmap_out;
+ }
+ psrc = cpu_physical_memory_map(src, &len, 0);
+ if (!psrc || len != TARGET_PAGE_SIZE) {
+ ret = H_PARAMETER;
+ goto unmap_out;
+ }
+ memcpy(pdst, psrc, len);
+ cpu_physical_memory_unmap(psrc, len, 0, len);
+ } else if (flags & H_ZERO_PAGE) {
+ memset(pdst, 0, len); /* Just clear the destination page */
+ }
+
+ if (kvm_enabled() && (flags & H_ICACHE_SYNCHRONIZE) != 0) {
+ kvmppc_dcbst_range(cpu, pdst, len);
+ }
+ if (flags & (H_ICACHE_SYNCHRONIZE | H_ICACHE_INVALIDATE)) {
+ if (kvm_enabled()) {
+ kvmppc_icbi_range(cpu, pdst, len);
+ } else {
+ tb_flush(CPU(cpu));
+ }
+ }
+
+unmap_out:
+ cpu_physical_memory_unmap(pdst, TARGET_PAGE_SIZE, 1, len);
+ return ret;
}
#define FLAGS_REGISTER_VPA 0x0000200000000000ULL
{
CPUState *cs;
PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu);
- target_ulong prefix;
if (!(pcc->insns_flags2 & PPC2_ISA207S)) {
return H_P2;
return H_P4;
}
- switch (mflags) {
- case H_SET_MODE_ADDR_TRANS_NONE:
- prefix = 0;
- break;
- case H_SET_MODE_ADDR_TRANS_0001_8000:
- prefix = 0x18000;
- break;
- case H_SET_MODE_ADDR_TRANS_C000_0000_0000_4000:
- prefix = 0xC000000000004000ULL;
- break;
- default:
+ if (mflags == AIL_RESERVED) {
return H_UNSUPPORTED_FLAG;
}
CPU_FOREACH(cs) {
- CPUPPCState *env = &POWERPC_CPU(cpu)->env;
-
set_spr(cs, SPR_LPCR, mflags << LPCR_AIL_SHIFT, LPCR_AIL);
- env->excp_prefix = prefix;
}
return H_SUCCESS;
return ret;
}
+/*
+ * Return the offset to the requested option vector @vector in the
+ * option vector table @table.
+ */
+static target_ulong cas_get_option_vector(int vector, target_ulong table)
+{
+ int i;
+ char nr_vectors, nr_entries;
+
+ if (!table) {
+ return 0;
+ }
+
+ nr_vectors = (ldl_phys(&address_space_memory, table) >> 24) + 1;
+ if (!vector || vector > nr_vectors) {
+ return 0;
+ }
+ table++; /* skip nr option vectors */
+
+ for (i = 0; i < vector - 1; i++) {
+ nr_entries = ldl_phys(&address_space_memory, table) >> 24;
+ table += nr_entries + 2;
+ }
+ return table;
+}
+
typedef struct {
PowerPCCPU *cpu;
uint32_t cpu_version;
- int ret;
+ Error *err;
} SetCompatState;
static void do_set_compat(void *arg)
SetCompatState *s = arg;
cpu_synchronize_state(CPU(s->cpu));
- s->ret = ppc_set_compat(s->cpu, s->cpu_version);
+ ppc_set_compat(s->cpu, s->cpu_version, &s->err);
}
#define get_compat_level(cpuver) ( \
((cpuver) == CPU_POWERPC_LOGICAL_2_06_PLUS) ? 2061 : \
((cpuver) == CPU_POWERPC_LOGICAL_2_07) ? 2070 : 0)
+#define OV5_DRCONF_MEMORY 0x20
+
static target_ulong h_client_architecture_support(PowerPCCPU *cpu_,
sPAPRMachineState *spapr,
target_ulong opcode,
target_ulong *args)
{
- target_ulong list = args[0];
+ target_ulong list = ppc64_phys_to_real(args[0]);
+ target_ulong ov_table, ov5;
PowerPCCPUClass *pcc_ = POWERPC_CPU_GET_CLASS(cpu_);
CPUState *cs;
- bool cpu_match = false;
+ bool cpu_match = false, cpu_update = true, memory_update = false;
unsigned old_cpu_version = cpu_->cpu_version;
unsigned compat_lvl = 0, cpu_version = 0;
unsigned max_lvl = get_compat_level(cpu_->max_compat);
int counter;
+ char ov5_byte2;
/* Parse PVR list */
for (counter = 0; counter < 512; ++counter) {
uint32_t pvr, pvr_mask;
- pvr_mask = rtas_ld(list, 0);
+ pvr_mask = ldl_be_phys(&address_space_memory, list);
list += 4;
- pvr = rtas_ld(list, 0);
+ pvr = ldl_be_phys(&address_space_memory, list);
list += 4;
trace_spapr_cas_pvr_try(pvr);
}
}
- /* For the future use: here @list points to the first capability */
-
/* Parsing finished */
trace_spapr_cas_pvr(cpu_->cpu_version, cpu_match,
cpu_version, pcc_->pcr_mask);
SetCompatState s = {
.cpu = POWERPC_CPU(cs),
.cpu_version = cpu_version,
- .ret = 0
+ .err = NULL,
};
run_on_cpu(cs, do_set_compat, &s);
- if (s.ret < 0) {
- fprintf(stderr, "Unable to set compatibility mode\n");
+ if (s.err) {
+ error_report_err(s.err);
return H_HARDWARE;
}
}
}
if (!cpu_version) {
- return H_SUCCESS;
+ cpu_update = false;
}
- if (!list) {
+ /* For the future use: here @ov_table points to the first option vector */
+ ov_table = list;
+
+ ov5 = cas_get_option_vector(5, ov_table);
+ if (!ov5) {
return H_SUCCESS;
}
- if (spapr_h_cas_compose_response(spapr, args[1], args[2])) {
+ /* @list now points to OV 5 */
+ ov5_byte2 = ldub_phys(&address_space_memory, ov5 + 2);
+ if (ov5_byte2 & OV5_DRCONF_MEMORY) {
+ memory_update = true;
+ }
+
+ if (spapr_h_cas_compose_response(spapr, args[1], args[2],
+ cpu_update, memory_update)) {
qemu_system_reset_request();
}
}
}
- hcall_dprintf("Unimplemented hcall 0x" TARGET_FMT_lx "\n", opcode);
+ qemu_log_mask(LOG_UNIMP, "Unimplemented SPAPR hcall 0x" TARGET_FMT_lx "\n",
+ opcode);
return H_FUNCTION;
}
/* hcall-bulk */
spapr_register_hypercall(H_BULK_REMOVE, h_bulk_remove);
- /* hcall-dabr */
- spapr_register_hypercall(H_SET_DABR, h_set_dabr);
-
/* hcall-splpar */
spapr_register_hypercall(H_REGISTER_VPA, h_register_vpa);
spapr_register_hypercall(H_CEDE, h_cede);
+ /* processor register resource access h-calls */
+ spapr_register_hypercall(H_SET_SPRG0, h_set_sprg0);
+ spapr_register_hypercall(H_SET_DABR, h_set_dabr);
+ spapr_register_hypercall(H_SET_XDABR, h_set_xdabr);
+ spapr_register_hypercall(H_PAGE_INIT, h_page_init);
+ spapr_register_hypercall(H_SET_MODE, h_set_mode);
+
/* "debugger" hcalls (also used by SLOF). Note: We do -not- differenciate
* here between the "CI" and the "CACHE" variants, they will use whatever
* mapping attributes qemu is using. When using KVM, the kernel will
/* qemu/KVM-PPC specific hcalls */
spapr_register_hypercall(KVMPPC_H_RTAS, h_rtas);
- spapr_register_hypercall(H_SET_MODE, h_set_mode);
-
/* ibm,client-architecture-support support */
spapr_register_hypercall(KVMPPC_H_CAS, h_client_architecture_support);
}
Code Review / kvmfornfv.git / blobdiff