diff options
Diffstat (limited to 'hw/spapr_hcall.c')
| -rw-r--r-- | hw/spapr_hcall.c | 125 |
1 files changed, 46 insertions, 79 deletions
diff --git a/hw/spapr_hcall.c b/hw/spapr_hcall.c index a5990a9617..afb12973f2 100644 --- a/hw/spapr_hcall.c +++ b/hw/spapr_hcall.c @@ -1,9 +1,6 @@ -#include "sysemu.h" +#include "sysemu/sysemu.h" #include "cpu.h" -#include "dyngen-exec.h" -#include "qemu-char.h" -#include "sysemu.h" -#include "qemu-char.h" +#include "sysemu/sysemu.h" #include "helper_regs.h" #include "hw/spapr.h" @@ -40,22 +37,6 @@ #define HPTE_V_1TB_SEG 0x4000000000000000ULL #define HPTE_V_VRMA_MASK 0x4001ffffff000000ULL -#define HPTE_V_HVLOCK 0x40ULL - -static inline int lock_hpte(void *hpte, target_ulong bits) -{ - uint64_t pteh; - - pteh = ldq_p(hpte); - - /* We're protected by qemu's global lock here */ - if (pteh & bits) { - return 0; - } - stq_p(hpte, pteh | HPTE_V_HVLOCK); - return 1; -} - static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r, target_ulong pte_index) { @@ -92,9 +73,10 @@ static target_ulong compute_tlbie_rb(target_ulong v, target_ulong r, return rb; } -static target_ulong h_enter(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_enter(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { + CPUPPCState *env = &cpu->env; target_ulong flags = args[0]; target_ulong pte_index = args[1]; target_ulong pteh = args[2]; @@ -152,8 +134,7 @@ static target_ulong h_enter(CPUPPCState *env, sPAPREnvironment *spapr, if (i == 8) { return H_PTEG_FULL; } - if (((ldq_p(hpte) & HPTE_V_VALID) == 0) && - lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID)) { + if ((ldq_p(hpte) & HPTE_V_VALID) == 0) { break; } hpte += HASH_PTE_SIZE_64; @@ -161,7 +142,7 @@ static target_ulong h_enter(CPUPPCState *env, sPAPREnvironment *spapr, } else { i = 0; hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); - if (!lock_hpte(hpte, HPTE_V_HVLOCK | HPTE_V_VALID)) { + if (ldq_p(hpte) & HPTE_V_VALID) { return H_PTEG_FULL; } } @@ -169,7 +150,6 @@ static target_ulong h_enter(CPUPPCState *env, sPAPREnvironment *spapr, /* eieio(); FIXME: need some sort of barrier for smp? */ stq_p(hpte, pteh); - assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); args[0] = pte_index + i; return H_SUCCESS; } @@ -194,11 +174,6 @@ static target_ulong remove_hpte(CPUPPCState *env, target_ulong ptex, } hpte = env->external_htab + (ptex * HASH_PTE_SIZE_64); - while (!lock_hpte(hpte, HPTE_V_HVLOCK)) { - /* We have no real concurrency in qemu soft-emulation, so we - * will never actually have a contested lock */ - assert(0); - } v = ldq_p(hpte); r = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); @@ -206,22 +181,20 @@ static target_ulong remove_hpte(CPUPPCState *env, target_ulong ptex, if ((v & HPTE_V_VALID) == 0 || ((flags & H_AVPN) && (v & ~0x7fULL) != avpn) || ((flags & H_ANDCOND) && (v & avpn) != 0)) { - stq_p(hpte, v & ~HPTE_V_HVLOCK); - assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); return REMOVE_NOT_FOUND; } - *vp = v & ~HPTE_V_HVLOCK; + *vp = v; *rp = r; stq_p(hpte, 0); rb = compute_tlbie_rb(v, r, ptex); ppc_tlb_invalidate_one(env, rb); - assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); return REMOVE_SUCCESS; } -static target_ulong h_remove(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_remove(PowerPCCPU *cpu, sPAPREnvironment *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]; @@ -265,9 +238,10 @@ static target_ulong h_remove(CPUPPCState *env, sPAPREnvironment *spapr, #define H_BULK_REMOVE_MAX_BATCH 4 -static target_ulong h_bulk_remove(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_bulk_remove(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { + CPUPPCState *env = &cpu->env; int i; for (i = 0; i < H_BULK_REMOVE_MAX_BATCH; i++) { @@ -311,9 +285,10 @@ static target_ulong h_bulk_remove(CPUPPCState *env, sPAPREnvironment *spapr, return H_SUCCESS; } -static target_ulong h_protect(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_protect(PowerPCCPU *cpu, sPAPREnvironment *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]; @@ -325,19 +300,12 @@ static target_ulong h_protect(CPUPPCState *env, sPAPREnvironment *spapr, } hpte = env->external_htab + (pte_index * HASH_PTE_SIZE_64); - while (!lock_hpte(hpte, HPTE_V_HVLOCK)) { - /* We have no real concurrency in qemu soft-emulation, so we - * will never actually have a contested lock */ - assert(0); - } v = ldq_p(hpte); r = ldq_p(hpte + (HASH_PTE_SIZE_64/2)); if ((v & HPTE_V_VALID) == 0 || ((flags & H_AVPN) && (v & ~0x7fULL) != avpn)) { - stq_p(hpte, v & ~HPTE_V_HVLOCK); - assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); return H_NOT_FOUND; } @@ -351,12 +319,11 @@ static target_ulong h_protect(CPUPPCState *env, sPAPREnvironment *spapr, ppc_tlb_invalidate_one(env, rb); stq_p(hpte + (HASH_PTE_SIZE_64/2), r); /* Don't need a memory barrier, due to qemu's global lock */ - stq_p(hpte, v & ~HPTE_V_HVLOCK); - assert(!(ldq_p(hpte) & HPTE_V_HVLOCK)); + stq_p(hpte, v); return H_SUCCESS; } -static target_ulong h_set_dabr(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_set_dabr(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { /* FIXME: actually implement this */ @@ -401,26 +368,26 @@ static target_ulong register_vpa(CPUPPCState *env, target_ulong vpa) return H_PARAMETER; } - env->vpa = vpa; + env->vpa_addr = vpa; - tmp = ldub_phys(env->vpa + VPA_SHARED_PROC_OFFSET); + tmp = ldub_phys(env->vpa_addr + VPA_SHARED_PROC_OFFSET); tmp |= VPA_SHARED_PROC_VAL; - stb_phys(env->vpa + VPA_SHARED_PROC_OFFSET, tmp); + stb_phys(env->vpa_addr + VPA_SHARED_PROC_OFFSET, tmp); return H_SUCCESS; } static target_ulong deregister_vpa(CPUPPCState *env, target_ulong vpa) { - if (env->slb_shadow) { + if (env->slb_shadow_addr) { return H_RESOURCE; } - if (env->dispatch_trace_log) { + if (env->dtl_addr) { return H_RESOURCE; } - env->vpa = 0; + env->vpa_addr = 0; return H_SUCCESS; } @@ -442,18 +409,20 @@ static target_ulong register_slb_shadow(CPUPPCState *env, target_ulong addr) return H_PARAMETER; } - if (!env->vpa) { + if (!env->vpa_addr) { return H_RESOURCE; } - env->slb_shadow = addr; + env->slb_shadow_addr = addr; + env->slb_shadow_size = size; return H_SUCCESS; } static target_ulong deregister_slb_shadow(CPUPPCState *env, target_ulong addr) { - env->slb_shadow = 0; + env->slb_shadow_addr = 0; + env->slb_shadow_size = 0; return H_SUCCESS; } @@ -472,11 +441,11 @@ static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) return H_PARAMETER; } - if (!env->vpa) { + if (!env->vpa_addr) { return H_RESOURCE; } - env->dispatch_trace_log = addr; + env->dtl_addr = addr; env->dtl_size = size; return H_SUCCESS; @@ -484,13 +453,13 @@ static target_ulong register_dtl(CPUPPCState *env, target_ulong addr) static target_ulong deregister_dtl(CPUPPCState *env, target_ulong addr) { - env->dispatch_trace_log = 0; + env->dtl_addr = 0; env->dtl_size = 0; return H_SUCCESS; } -static target_ulong h_register_vpa(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_register_vpa(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong flags = args[0]; @@ -538,18 +507,22 @@ static target_ulong h_register_vpa(CPUPPCState *env, sPAPREnvironment *spapr, return ret; } -static target_ulong h_cede(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_cede(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { + CPUPPCState *env = &cpu->env; + env->msr |= (1ULL << MSR_EE); hreg_compute_hflags(env); - if (!cpu_has_work(env)) { + if (!cpu_has_work(CPU(cpu))) { env->halted = 1; + env->exception_index = EXCP_HLT; + env->exit_request = 1; } return H_SUCCESS; } -static target_ulong h_rtas(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_rtas(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong rtas_r3 = args[0]; @@ -561,7 +534,7 @@ static target_ulong h_rtas(CPUPPCState *env, sPAPREnvironment *spapr, nret, rtas_r3 + 12 + 4*nargs); } -static target_ulong h_logical_load(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_logical_load(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong size = args[0]; @@ -584,7 +557,7 @@ static target_ulong h_logical_load(CPUPPCState *env, sPAPREnvironment *spapr, return H_PARAMETER; } -static target_ulong h_logical_store(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_logical_store(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong size = args[0]; @@ -608,7 +581,7 @@ static target_ulong h_logical_store(CPUPPCState *env, sPAPREnvironment *spapr, return H_PARAMETER; } -static target_ulong h_logical_memop(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_logical_memop(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { target_ulong dst = args[0]; /* Destination address */ @@ -675,14 +648,14 @@ static target_ulong h_logical_memop(CPUPPCState *env, sPAPREnvironment *spapr, return H_SUCCESS; } -static target_ulong h_logical_icbi(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_logical_icbi(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { /* Nothing to do on emulation, KVM will trap this in the kernel */ return H_SUCCESS; } -static target_ulong h_logical_dcbf(CPUPPCState *env, sPAPREnvironment *spapr, +static target_ulong h_logical_dcbf(PowerPCCPU *cpu, sPAPREnvironment *spapr, target_ulong opcode, target_ulong *args) { /* Nothing to do on emulation, KVM will trap this in the kernel */ @@ -703,35 +676,29 @@ void spapr_register_hypercall(target_ulong opcode, spapr_hcall_fn fn) } else { assert((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)); - slot = &kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; } - assert(!(*slot) || (fn == *slot)); + assert(!(*slot)); *slot = fn; } -target_ulong spapr_hypercall(CPUPPCState *env, target_ulong opcode, +target_ulong spapr_hypercall(PowerPCCPU *cpu, target_ulong opcode, target_ulong *args) { - if (msr_pr) { - hcall_dprintf("Hypercall made with MSR[PR]=1\n"); - return H_PRIVILEGE; - } - if ((opcode <= MAX_HCALL_OPCODE) && ((opcode & 0x3) == 0)) { spapr_hcall_fn fn = papr_hypercall_table[opcode / 4]; if (fn) { - return fn(env, spapr, opcode, args); + return fn(cpu, spapr, opcode, args); } } else if ((opcode >= KVMPPC_HCALL_BASE) && (opcode <= KVMPPC_HCALL_MAX)) { spapr_hcall_fn fn = kvmppc_hypercall_table[opcode - KVMPPC_HCALL_BASE]; if (fn) { - return fn(env, spapr, opcode, args); + return fn(cpu, spapr, opcode, args); } } |