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target/ppc: Remove msr_pr macro 

msr_pr macro hides the usage of env->msr, which is a bad behavior
Substitute it with FIELD_EX64 calls that explicitly use env->msr
as a parameter.

Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Víctor Colombo <victor.colombo@eldorado.org.br>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220504210541.115256-4-victor.colombo@eldorado.org.br>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
master
Víctor Colombo 2022-05-04 18:05:22 -03:00 committed by Daniel Henrique Barboza
parent 92984c96df
commit d41ccf6eea
8 changed files with 30 additions and 23 deletions
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2
hw/ppc/pegasos2.c
View File

@ -461,7 +461,7 @@ static void pegasos2_hypercall(PPCVirtualHypervisor *vhyp, PowerPCCPU *cpu)
/* The TCG path should also be holding the BQL at this point */
g_assert(qemu_mutex_iothread_locked());
if (msr_pr) {
if (FIELD_EX64(env->msr, MSR, PR)) {
qemu_log_mask(LOG_GUEST_ERROR, "Hypercall made with MSR[PR]=1\n");
env->gpr[3] = H_PRIVILEGE;
} else if (env->gpr[3] == KVMPPC_H_RTAS) {

2
hw/ppc/spapr.c
View File

@ -1269,7 +1269,7 @@ static void emulate_spapr_hypercall(PPCVirtualHypervisor *vhyp,
g_assert(!vhyp_cpu_in_nested(cpu));
if (msr_pr) {
if (FIELD_EX64(env->msr, MSR, PR)) {
hcall_dprintf("Hypercall made with MSR[PR]=1\n");
env->gpr[3] = H_PRIVILEGE;
} else {

4
target/ppc/cpu.h
View File

@ -25,6 +25,7 @@
#include "exec/cpu-defs.h"
#include "cpu-qom.h"
#include "qom/object.h"
#include "hw/registerfields.h"
#define TCG_GUEST_DEFAULT_MO 0
@ -353,6 +354,8 @@ typedef enum {
#define MSR_RI 1 /* Recoverable interrupt 1 */
#define MSR_LE 0 /* Little-endian mode 1 hflags */
FIELD(MSR, PR, MSR_PR, 1)
/* PMU bits */
#define MMCR0_FC PPC_BIT(32) /* Freeze Counters */
#define MMCR0_PMAO PPC_BIT(56) /* Perf Monitor Alert Ocurred */
@ -474,7 +477,6 @@ typedef enum {
#define msr_ce ((env->msr >> MSR_CE) & 1)
#define msr_ile ((env->msr >> MSR_ILE) & 1)
#define msr_ee ((env->msr >> MSR_EE) & 1)
#define msr_pr ((env->msr >> MSR_PR) & 1)
#define msr_fp ((env->msr >> MSR_FP) & 1)
#define msr_me ((env->msr >> MSR_ME) & 1)
#define msr_fe0 ((env->msr >> MSR_FE0) & 1)

4
target/ppc/cpu_init.c
View File

@ -6303,7 +6303,7 @@ static bool cpu_has_work_POWER9(CPUState *cs)
if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
(env->spr[SPR_LPCR] & LPCR_EEE)) {
bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
if (heic == 0 || !msr_hv || msr_pr) {
if (!heic || !msr_hv || FIELD_EX64(env->msr, MSR, PR)) {
return true;
}
}
@ -6517,7 +6517,7 @@ static bool cpu_has_work_POWER10(CPUState *cs)
if ((env->pending_interrupts & (1u << PPC_INTERRUPT_EXT)) &&
(env->spr[SPR_LPCR] & LPCR_EEE)) {
bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
if (heic == 0 || !msr_hv || msr_pr) {
if (!heic || !msr_hv || FIELD_EX64(env->msr, MSR, PR)) {
return true;
}
}

8
target/ppc/excp_helper.c
View File

@ -1738,7 +1738,8 @@ static void ppc_hw_interrupt(CPUPPCState *env)
bool lpes0 = !!(env->spr[SPR_LPCR] & LPCR_LPES0);
bool heic = !!(env->spr[SPR_LPCR] & LPCR_HEIC);
/* HEIC blocks delivery to the hypervisor */
if ((async_deliver && !(heic && msr_hv && !msr_pr)) ||
if ((async_deliver && !(heic && msr_hv &&
!FIELD_EX64(env->msr, MSR, PR))) ||
(env->has_hv_mode && msr_hv == 0 && !lpes0)) {
if (books_vhyp_promotes_external_to_hvirt(cpu)) {
powerpc_excp(cpu, POWERPC_EXCP_HVIRT);
@ -1818,7 +1819,8 @@ static void ppc_hw_interrupt(CPUPPCState *env)
* EBB exception must be taken in problem state and
* with BESCR_GE set.
*/
if (msr_pr == 1 && env->spr[SPR_BESCR] & BESCR_GE) {
if (FIELD_EX64(env->msr, MSR, PR) &&
(env->spr[SPR_BESCR] & BESCR_GE)) {
env->pending_interrupts &= ~(1 << PPC_INTERRUPT_EBB);
if (env->spr[SPR_BESCR] & BESCR_PMEO) {
@ -2094,7 +2096,7 @@ static void do_ebb(CPUPPCState *env, int ebb_excp)
env->spr[SPR_BESCR] |= BESCR_EEO;
}
if (msr_pr == 1) {
if (FIELD_EX64(env->msr, MSR, PR)) {
powerpc_excp(cpu, ebb_excp);
} else {
env->pending_interrupts |= 1 << PPC_INTERRUPT_EBB;

5
target/ppc/mem_helper.c
View File

@ -613,10 +613,11 @@ void helper_tbegin(CPUPPCState *env)
(1ULL << TEXASR_FAILURE_PERSISTENT) |
(1ULL << TEXASR_NESTING_OVERFLOW) |
(msr_hv << TEXASR_PRIVILEGE_HV) |
(msr_pr << TEXASR_PRIVILEGE_PR) |
(FIELD_EX64(env->msr, MSR, PR) << TEXASR_PRIVILEGE_PR) |
(1ULL << TEXASR_FAILURE_SUMMARY) |
(1ULL << TEXASR_TFIAR_EXACT);
env->spr[SPR_TFIAR] = env->nip | (msr_hv << 1) | msr_pr;
env->spr[SPR_TFIAR] = env->nip | (msr_hv << 1) |
FIELD_EX64(env->msr, MSR, PR);
env->spr[SPR_TFHAR] = env->nip + 4;
env->crf[0] = 0xB; /* 0b1010 = transaction failure */
}

5
target/ppc/mmu-radix64.c
View File

@ -191,12 +191,13 @@ static bool ppc_radix64_check_prot(PowerPCCPU *cpu, MMUAccessType access_type,
}
/* Determine permissions allowed by Encoded Access Authority */
if (!partition_scoped && (pte & R_PTE_EAA_PRIV) && msr_pr) {
if (!partition_scoped && (pte & R_PTE_EAA_PRIV) &&
FIELD_EX64(env->msr, MSR, PR)) {
*prot = 0;
} else if (mmuidx_pr(mmu_idx) || (pte & R_PTE_EAA_PRIV) ||
partition_scoped) {
*prot = ppc_radix64_get_prot_eaa(pte);
} else { /* !msr_pr && !(pte & R_PTE_EAA_PRIV) && !partition_scoped */
} else { /* !MSR_PR && !(pte & R_PTE_EAA_PRIV) && !partition_scoped */
*prot = ppc_radix64_get_prot_eaa(pte);
*prot &= ppc_radix64_get_prot_amr(cpu); /* Least combined permissions */
}

23
target/ppc/mmu_common.c
View File

@ -273,8 +273,8 @@ static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp,
bl = (*BATu & 0x00001FFC) << 15;
valid = 0;
prot = 0;
if (((msr_pr == 0) && (*BATu & 0x00000002)) ||
((msr_pr != 0) && (*BATu & 0x00000001))) {
if ((!FIELD_EX64(env->msr, MSR, PR) && (*BATu & 0x00000002)) ||
(FIELD_EX64(env->msr, MSR, PR) && (*BATu & 0x00000001))) {
valid = 1;
pp = *BATl & 0x00000003;
if (pp != 0) {
@ -368,16 +368,17 @@ static int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
PowerPCCPU *cpu = env_archcpu(env);
hwaddr hash;
target_ulong vsid;
int ds, pr, target_page_bits;
int ds, target_page_bits;
bool pr;
int ret;
target_ulong sr, pgidx;
pr = msr_pr;
pr = FIELD_EX64(env->msr, MSR, PR);
ctx->eaddr = eaddr;
sr = env->sr[eaddr >> 28];
ctx->key = (((sr & 0x20000000) && (pr != 0)) ||
((sr & 0x40000000) && (pr == 0))) ? 1 : 0;
ctx->key = (((sr & 0x20000000) && pr) ||
((sr & 0x40000000) && !pr)) ? 1 : 0;
ds = sr & 0x80000000 ? 1 : 0;
ctx->nx = sr & 0x10000000 ? 1 : 0;
vsid = sr & 0x00FFFFFF;
@ -386,8 +387,8 @@ static int get_segment_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
"Check segment v=" TARGET_FMT_lx " %d " TARGET_FMT_lx
" nip=" TARGET_FMT_lx " lr=" TARGET_FMT_lx
" ir=%d dr=%d pr=%d %d t=%d\n",
eaddr, (int)(eaddr >> 28), sr, env->nip, env->lr, (int)msr_ir,
(int)msr_dr, pr != 0 ? 1 : 0,
eaddr, (int)(eaddr >> 28), sr, env->nip, env->lr,
(int)msr_ir, (int)msr_dr, pr ? 1 : 0,
access_type == MMU_DATA_STORE, type);
pgidx = (eaddr & ~SEGMENT_MASK_256M) >> target_page_bits;
hash = vsid ^ pgidx;
@ -530,7 +531,7 @@ static int mmu40x_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx,
ret = -1;
raddr = (hwaddr)-1ULL;
pr = msr_pr;
pr = FIELD_EX64(env->msr, MSR, PR);
for (i = 0; i < env->nb_tlb; i++) {
tlb = &env->tlb.tlbe[i];
if (ppcemb_tlb_check(env, tlb, &raddr, address,
@ -618,7 +619,7 @@ static int mmubooke_check_tlb(CPUPPCState *env, ppcemb_tlb_t *tlb,
found_tlb:
if (msr_pr != 0) {
if (FIELD_EX64(env->msr, MSR, PR)) {
prot2 = tlb->prot & 0xF;
} else {
prot2 = (tlb->prot >> 4) & 0xF;
@ -768,7 +769,7 @@ static bool mmubooke206_get_as(CPUPPCState *env,
return true;
} else {
*as_out = msr_ds;
*pr_out = msr_pr;
*pr_out = FIELD_EX64(env->msr, MSR, PR);
return false;
}
}