diff --git a/qemu/accel/tcg/cpu-exec.c b/qemu/accel/tcg/cpu-exec.c index 99a17273..adea5501 100644 --- a/qemu/accel/tcg/cpu-exec.c +++ b/qemu/accel/tcg/cpu-exec.c @@ -380,6 +380,10 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret) // Unicorn: Imported from https://github.com/unicorn-engine/unicorn/pull/1098 CPUMIPSState *env = &(MIPS_CPU(cpu)->env); env->active_tc.PC = uc->next_pc; +#endif +#if defined(TARGET_RISCV) + CPURISCVState *env = &(RISCV_CPU(uc->cpu)->env); + env->pc += 4; #endif // Unicorn: call registered interrupt callbacks catched = false; diff --git a/tests/unit/test_riscv.c b/tests/unit/test_riscv.c index 43f71690..07e8844c 100644 --- a/tests/unit/test_riscv.c +++ b/tests/unit/test_riscv.c @@ -341,6 +341,32 @@ static void test_riscv64_fp_move_to_int(void) uc_close(uc); } +static void test_riscv64_ecall_cb(uc_engine *uc, uint32_t intno, void *data) +{ + uc_emu_stop(uc); + return; +} + +static void test_riscv64_ecall() +{ + uc_engine *uc; + char code[] = "\x73\x00\x00\x00"; // ecall + uint64_t r_pc; + uc_hook h; + + uc_common_setup(&uc, UC_ARCH_RISCV, UC_MODE_RISCV64, code, + sizeof(code) - 1); + + OK(uc_hook_add(uc, &h, UC_HOOK_INTR, test_riscv64_ecall_cb, NULL, 1, 0)); + OK(uc_emu_start(uc, code_start, code_start + sizeof(code) - 1, 0, 0)); + + OK(uc_reg_read(uc, UC_RISCV_REG_PC, &r_pc)); + + TEST_CHECK(r_pc == code_start + 4); + + OK(uc_close(uc)); +} + TEST_LIST = {{"test_riscv32_nop", test_riscv32_nop}, {"test_riscv64_nop", test_riscv64_nop}, {"test_riscv32_3steps_pc_update", test_riscv32_3steps_pc_update}, @@ -351,4 +377,5 @@ TEST_LIST = {{"test_riscv32_nop", test_riscv32_nop}, {"test_riscv64_fp_move", test_riscv64_fp_move}, {"test_riscv64_fp_move_from_int", test_riscv64_fp_move_from_int}, {"test_riscv64_fp_move_to_int", test_riscv64_fp_move_to_int}, + {"test_riscv64_ecall", test_riscv64_ecall}, {NULL, NULL}};