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Toby Jaffey 2025-12-14 21:38:24 +00:00
parent 6a4118e420
commit 93898a5baa
6 changed files with 1 additions and 1 deletions
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test/opcodes/test/tests.c Normal file
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#include <string.h>
#include "unity.h"
#include "uvm32.h"
#include "../common/uvm32_common_custom.h"
#include "rom-header.h"
#include "shared.h"
static uvm32_state_t vmst;
static uvm32_evt_t evt;
void setUp(void) {
uvm32_init(&vmst);
uvm32_load(&vmst, rom_bin, rom_bin_len);
}
void tearDown(void) {
}
void test_invalid_opcode_rd_extram(void) {
// https://www.cs.sfu.ca/~ashriram/Courses/CS295/assets/notebooks/RISCV/RISCV_CARD.pdf
// lb,lbu etc only have funct3 values of 0,1,2,4,5
uint8_t bad_funct3_3[] = {
0xb7, 0x0f, 0x00, 0x10, // lui t6,0x10000
0x83, 0xB2, 0x0f, 0x00 // l? t0,0(t6)
};
uvm32_init(&vmst);
uvm32_load(&vmst, bad_funct3_3, 8);
uvm32_run(&vmst, &evt, 100);
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_ERR);
TEST_ASSERT_EQUAL(evt.data.err.errcode, UVM32_ERR_INTERNAL_CORE);
uint8_t bad_funct3_6[] = {
0xb7, 0x0f, 0x00, 0x10, // lui t6,0x10000
0x83, 0xE2, 0x0f, 0x00 // l? t0,0(t6)
};
uvm32_init(&vmst);
uvm32_load(&vmst, bad_funct3_6, 8);
uvm32_run(&vmst, &evt, 100);
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_ERR);
TEST_ASSERT_EQUAL(evt.data.err.errcode, UVM32_ERR_INTERNAL_CORE);
}
void test_auipc(void) {
uvm32_run(&vmst, &evt, 100);
// check for picktest syscall
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_SYSCALL);
TEST_ASSERT_EQUAL(evt.data.syscall.code, SYSCALL_PICKTEST);
uvm32_arg_setval(&vmst, &evt, RET, TEST1);
// run vm to completion
uvm32_run(&vmst, &evt, 100);
TEST_ASSERT_EQUAL(evt.typ, UVM32_EVT_END);
// The two PC values stored by auipc should be adjacent
TEST_ASSERT_EQUAL(vmst._core.regs[6], vmst._core.regs[5] + 4);
}