@samitouri / QOSamiQemu / commits / 36b3f32642

target/arm/ptw: Flip sense of get_phys_addr return value

This completes the conversion of this family of functions to returning true on success and false on failure. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20260515142541.571911-15-peter.maydell@linaro.org

Peter Maydell committed May 15, 2026 at 15:25 UTC 36b3f32642d10b8fd8003ff23d40917c8b27b4e7
4 files changed +9 -9
target/arm/internals.h
+1 -1
@@ -1500,7 +1500,7 @@ typedef struct GetPhysAddrResult {
1500 * by doing a translation table walk on MMU based systems or using the
1501 * MPU state on MPU based systems.
1502 *
1503 - * Returns false if the translation was successful. Otherwise, phys_ptr, attrs,
1503 + * Returns true if the translation was successful. Otherwise, phys_ptr, attrs,
1504 * prot and page_size may not be filled in, and the populated fsr value provides
1505 * information on why the translation aborted, in the format of a
1506 * DFSR/IFSR fault register, with the following caveats:
target/arm/ptw.c
+1 -1
@@ -3939,7 +3939,7 @@ bool get_phys_addr(CPUARMState *env, vaddr address,
3939 .in_prot_check = 1 << access_type,
3940 };
3941
3942 - return !get_phys_addr_gpc(env, &ptw, address, access_type,
3942 + return get_phys_addr_gpc(env, &ptw, address, access_type,
3943 memop, result, fi);
3944 }
3945
target/arm/tcg/m_helper.c
+4 -4
@@ -222,7 +222,7 @@ static bool v7m_stack_write(ARMCPU *cpu, uint32_t addr, uint32_t value,
222 int exc;
223 bool exc_secure;
224
225 - if (get_phys_addr(env, addr, MMU_DATA_STORE, 0, mmu_idx, &res, &fi)) {
225 + if (!get_phys_addr(env, addr, MMU_DATA_STORE, 0, mmu_idx, &res, &fi)) {
226 /* MPU/SAU lookup failed */
227 if (fi.type == ARMFault_QEMU_SFault) {
228 if (mode == STACK_LAZYFP) {
@@ -311,7 +311,7 @@ static bool v7m_stack_read(ARMCPU *cpu, uint32_t *dest, uint32_t addr,
311 bool exc_secure;
312 uint32_t value;
313
314 - if (get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) {
314 + if (!get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) {
315 /* MPU/SAU lookup failed */
316 if (fi.type == ARMFault_QEMU_SFault) {
317 qemu_log_mask(CPU_LOG_INT,
@@ -2023,7 +2023,7 @@ static bool v7m_read_half_insn(ARMCPU *cpu, ARMMMUIdx mmu_idx, bool secure,
2023 "...really SecureFault with SFSR.INVEP\n");
2024 return false;
2025 }
2026 - if (get_phys_addr(env, addr, MMU_INST_FETCH, 0, mmu_idx, &res, &fi)) {
2026 + if (!get_phys_addr(env, addr, MMU_INST_FETCH, 0, mmu_idx, &res, &fi)) {
2027 /* the MPU lookup failed */
2028 env->v7m.cfsr[env->v7m.secure] |= R_V7M_CFSR_IACCVIOL_MASK;
2029 armv7m_nvic_set_pending(env->nvic, ARMV7M_EXCP_MEM, env->v7m.secure);
@@ -2059,7 +2059,7 @@ static bool v7m_read_sg_stack_word(ARMCPU *cpu, ARMMMUIdx mmu_idx,
2059 ARMMMUFaultInfo fi = {};
2060 uint32_t value;
2061
2062 - if (get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) {
2062 + if (!get_phys_addr(env, addr, MMU_DATA_LOAD, 0, mmu_idx, &res, &fi)) {
2063 /* MPU/SAU lookup failed */
2064 if (fi.type == ARMFault_QEMU_SFault) {
2065 qemu_log_mask(CPU_LOG_INT,
target/arm/tcg/tlb_helper.c
+3 -3
@@ -361,9 +361,9 @@ bool arm_cpu_tlb_fill_align(CPUState *cs, CPUTLBEntryFull *out, vaddr address,
361 fi->type = ARMFault_Alignment;
362 } else if (address & ((1 << memop_alignment_bits(memop)) - 1)) {
363 fi->type = ARMFault_Alignment;
364 - } else if (!get_phys_addr(&cpu->env, address, access_type, memop,
365 - core_to_arm_mmu_idx(&cpu->env, mmu_idx),
366 - &res, fi)) {
364 + } else if (get_phys_addr(&cpu->env, address, access_type, memop,
365 + core_to_arm_mmu_idx(&cpu->env, mmu_idx),
366 + &res, fi)) {
367 res.f.extra.arm.pte_attrs = res.cacheattrs.attrs;
368 res.f.extra.arm.shareability = res.cacheattrs.shareability;
369 *out = res.f;