--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Tests for setexpr command
+ *
+ * Copyright 2020 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <console.h>
+#include <mapmem.h>
+#include <dm/test.h>
+#include <test/suites.h>
+#include <test/ut.h>
+
+#define BUF_SIZE 0x100
+
+/* Declare a new mem test */
+#define SETEXPR_TEST(_name, _flags) UNIT_TEST(_name, _flags, setexpr_test)
+
+/* Test 'setexpr' command with simply setting integers */
+static int setexpr_test_int(struct unit_test_state *uts)
+{
+ u8 *buf;
+
+ buf = map_sysmem(0, BUF_SIZE);
+ memset(buf, '\xff', BUF_SIZE);
+
+ /* byte */
+ buf[0x0] = 0x12;
+ ut_assertok(run_command("setexpr.b fred 0", 0));
+ ut_asserteq_str("0", env_get("fred"));
+ ut_assertok(run_command("setexpr.b fred *0", 0));
+ ut_asserteq_str("12", env_get("fred"));
+
+ /* 16-bit */
+ *(short *)buf = 0x2345;
+ ut_assertok(run_command("setexpr.w fred 0", 0));
+ ut_asserteq_str("0", env_get("fred"));
+ ut_assertok(run_command("setexpr.w fred *0", 0));
+ ut_asserteq_str("2345", env_get("fred"));
+
+ /* 32-bit */
+ *(u32 *)buf = 0x3456789a;
+ ut_assertok(run_command("setexpr.l fred 0", 0));
+ ut_asserteq_str("0", env_get("fred"));
+ ut_assertok(run_command("setexpr.l fred *0", 0));
+ ut_asserteq_str("ffffffff3456789a", env_get("fred"));
+
+ /* 64-bit */
+ *(u64 *)buf = 0x456789abcdef0123;
+ ut_assertok(run_command("setexpr.q fred 0", 0));
+ ut_asserteq_str("0", env_get("fred"));
+ ut_assertok(run_command("setexpr.q fred *0", 0));
+ ut_asserteq_str("456789abcdef0123", env_get("fred"));
+
+ /* default */
+ ut_assertok(run_command("setexpr fred 0", 0));
+ ut_asserteq_str("0", env_get("fred"));
+ ut_assertok(run_command("setexpr fred *0", 0));
+ ut_asserteq_str("456789abcdef0123", env_get("fred"));
+
+ unmap_sysmem(buf);
+
+ return 0;
+}
+SETEXPR_TEST(setexpr_test_int, UT_TESTF_CONSOLE_REC);
+
+/* Test 'setexpr' command with + operator */
+static int setexpr_test_plus(struct unit_test_state *uts)
+{
+ char *buf;
+
+ buf = map_sysmem(0, BUF_SIZE);
+ memset(buf, '\xff', BUF_SIZE);
+
+ /* byte */
+ buf[0x0] = 0x12;
+ buf[0x10] = 0x34;
+ ut_assertok(run_command("setexpr.b fred *0 + *10", 0));
+ ut_asserteq_str("46", env_get("fred"));
+
+ /* 16-bit */
+ *(short *)buf = 0x2345;
+ *(short *)(buf + 0x10) = 0xf012;
+ ut_assertok(run_command("setexpr.w fred *0 + *10", 0));
+ ut_asserteq_str("11357", env_get("fred"));
+
+ /* 32-bit */
+ *(u32 *)buf = 0x3456789a;
+ *(u32 *)(buf + 0x10) = 0xc3384235;
+ ut_assertok(run_command("setexpr.l fred *0 + *10", 0));
+ ut_asserteq_str("fffffffef78ebacf", env_get("fred"));
+
+ /* 64-bit */
+ *(u64 *)buf = 0x456789abcdef0123;
+ *(u64 *)(buf + 0x10) = 0x4987328372849283;
+ ut_assertok(run_command("setexpr.q fred *0 + *10", 0));
+ ut_asserteq_str("8eeebc2f407393a6", env_get("fred"));
+
+ /* default */
+ ut_assertok(run_command("setexpr fred *0 + *10", 0));
+ ut_asserteq_str("8eeebc2f407393a6", env_get("fred"));
+
+ unmap_sysmem(buf);
+
+ return 0;
+}
+SETEXPR_TEST(setexpr_test_plus, UT_TESTF_CONSOLE_REC);
+
+/* Test 'setexpr' command with other operators */
+static int setexpr_test_oper(struct unit_test_state *uts)
+{
+ char *buf;
+
+ buf = map_sysmem(0, BUF_SIZE);
+ memset(buf, '\xff', BUF_SIZE);
+
+ *(u32 *)buf = 0x1234;
+ *(u32 *)(buf + 0x10) = 0x560000;
+
+ /* Quote | to avoid confusing hush */
+ ut_assertok(run_command("setexpr fred *0 \"|\" *10", 0));
+ ut_asserteq_str("ffffffff00561234", env_get("fred"));
+
+ *(u32 *)buf = 0x561200;
+ *(u32 *)(buf + 0x10) = 0x1234;
+
+ /* Quote & to avoid confusing hush */
+ ut_assertok(run_command("setexpr.l fred *0 \"&\" *10", 0));
+ ut_asserteq_str("ffffffff00001200", env_get("fred"));
+
+ ut_assertok(run_command("setexpr.l fred *0 ^ *10", 0));
+ ut_asserteq_str("560034", env_get("fred"));
+
+ ut_assertok(run_command("setexpr.l fred *0 - *10", 0));
+ ut_asserteq_str("55ffcc", env_get("fred"));
+
+ ut_assertok(run_command("setexpr.l fred *0 * *10", 0));
+ ut_asserteq_str("ffa9dbd21ebfa800", env_get("fred"));
+
+ ut_assertok(run_command("setexpr.l fred *0 / *10", 0));
+ ut_asserteq_str("1", env_get("fred"));
+
+ ut_assertok(run_command("setexpr.l fred *0 % *10", 0));
+ ut_asserteq_str("55ffcc", env_get("fred"));
+
+ unmap_sysmem(buf);
+
+ return 0;
+}
+SETEXPR_TEST(setexpr_test_oper, UT_TESTF_CONSOLE_REC);
+
+int do_ut_setexpr(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+ struct unit_test *tests = ll_entry_start(struct unit_test,
+ setexpr_test);
+ const int n_ents = ll_entry_count(struct unit_test, setexpr_test);
+
+ return cmd_ut_category("cmd_setexpr", "cmd_mem_", tests, n_ents, argc,
+ argv);
+}