2020-11-06 01:33:38 +08:00
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* Tests for bootm routines
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*
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* Copyright 2020 Google LLC
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*/
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#include <common.h>
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#include <bootm.h>
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2020-10-31 11:38:53 +08:00
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#include <asm/global_data.h>
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2020-11-06 01:33:38 +08:00
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#include <test/suites.h>
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#include <test/test.h>
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#include <test/ut.h>
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DECLARE_GLOBAL_DATA_PTR;
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#define BOOTM_TEST(_name, _flags) UNIT_TEST(_name, _flags, bootm_test)
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2020-11-06 01:33:45 +08:00
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enum {
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BUF_SIZE = 1024,
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};
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2020-11-06 01:33:38 +08:00
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#define CONSOLE_STR "console=/dev/ttyS0"
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2020-11-06 01:33:45 +08:00
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/* Test cmdline processing where nothing happens */
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static int bootm_test_nop(struct unit_test_state *uts)
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{
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char buf[BUF_SIZE];
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*buf = '\0';
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
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ut_asserteq_str("", buf);
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strcpy(buf, "test");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
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ut_asserteq_str("test", buf);
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return 0;
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}
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BOOTM_TEST(bootm_test_nop, 0);
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/* Test cmdline processing when out of space */
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static int bootm_test_nospace(struct unit_test_state *uts)
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{
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char buf[BUF_SIZE];
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/* Zero buffer size */
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*buf = '\0';
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ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 0, true));
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/* Buffer string not terminated */
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memset(buf, 'a', BUF_SIZE);
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ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true));
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/* Not enough space to copy string */
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memset(buf, '\0', BUF_SIZE);
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memset(buf, 'a', BUF_SIZE / 2);
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ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, BUF_SIZE, true));
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/* Just enough space */
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memset(buf, '\0', BUF_SIZE);
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memset(buf, 'a', BUF_SIZE / 2 - 1);
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, true));
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return 0;
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}
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BOOTM_TEST(bootm_test_nospace, 0);
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/* Test silent processing */
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static int bootm_test_silent(struct unit_test_state *uts)
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2020-11-06 01:33:38 +08:00
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{
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2020-11-06 01:33:45 +08:00
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char buf[BUF_SIZE];
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2020-11-06 01:33:38 +08:00
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/* 'silent_linux' not set should do nothing */
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env_set("silent_linux", NULL);
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2020-11-06 01:33:45 +08:00
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strcpy(buf, CONSOLE_STR);
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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ut_asserteq_str(CONSOLE_STR, buf);
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2020-11-06 01:33:38 +08:00
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ut_assertok(env_set("silent_linux", "no"));
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2020-11-06 01:33:45 +08:00
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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ut_asserteq_str(CONSOLE_STR, buf);
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2020-11-06 01:33:38 +08:00
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ut_assertok(env_set("silent_linux", "yes"));
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2020-11-06 01:33:45 +08:00
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("console=ttynull", buf);
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2020-11-06 01:33:38 +08:00
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/* Empty buffer should still add the string */
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2020-11-06 01:33:45 +08:00
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*buf = '\0';
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("console=ttynull", buf);
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2020-11-06 01:33:45 +08:00
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/* Check nothing happens when do_silent is false */
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*buf = '\0';
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, 0));
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ut_asserteq_str("", buf);
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/* Not enough space */
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*buf = '\0';
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2022-05-20 06:26:05 +08:00
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ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 15, BOOTM_CL_SILENT));
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2020-11-06 01:33:45 +08:00
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/* Just enough space */
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*buf = '\0';
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2022-05-20 06:26:05 +08:00
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ut_assertok(bootm_process_cmdline(buf, 16, BOOTM_CL_SILENT));
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2020-11-06 01:33:45 +08:00
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/* add at end */
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strcpy(buf, "something");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("something console=ttynull", buf);
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2020-11-06 01:33:45 +08:00
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/* change at start */
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strcpy(buf, CONSOLE_STR " something");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("console=ttynull something", buf);
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2020-11-06 01:33:45 +08:00
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return 0;
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}
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BOOTM_TEST(bootm_test_silent, 0);
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2020-11-06 01:33:48 +08:00
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/* Test substitution processing */
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static int bootm_test_subst(struct unit_test_state *uts)
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{
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char buf[BUF_SIZE];
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/* try with an unset variable */
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ut_assertok(env_set("var", NULL));
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strcpy(buf, "some${var}thing");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("something", buf);
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/* Replace with shorter string */
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ut_assertok(env_set("var", "bb"));
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strcpy(buf, "some${var}thing");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("somebbthing", buf);
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/* Replace with same-length string */
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ut_assertok(env_set("var", "abc"));
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strcpy(buf, "some${var}thing");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("someabcthing", buf);
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/* Replace with longer string */
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ut_assertok(env_set("var", "abcde"));
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strcpy(buf, "some${var}thing");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("someabcdething", buf);
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/* Check it is case sensitive */
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ut_assertok(env_set("VAR", NULL));
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strcpy(buf, "some${VAR}thing");
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ut_assertok(bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("something", buf);
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/* Check too long - need 12 bytes for each string */
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strcpy(buf, "some${var}thing");
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ut_asserteq(-ENOSPC,
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bootm_process_cmdline(buf, 12 * 2 - 1, BOOTM_CL_SUBST));
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/* Check just enough space */
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strcpy(buf, "some${var}thing");
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ut_assertok(bootm_process_cmdline(buf, 16 * 2, BOOTM_CL_SUBST));
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ut_asserteq_str("someabcdething", buf);
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/*
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* Check the substition string being too long. This results in a string
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* of 12 (13 bytes). We need enough space for that plus the original
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* "a${var}c" string of 9 bytes. So 12 + 9 = 21 bytes.
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*/
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ut_assertok(env_set("var", "1234567890"));
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strcpy(buf, "a${var}c");
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ut_asserteq(-ENOSPC, bootm_process_cmdline(buf, 21, BOOTM_CL_SUBST));
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strcpy(buf, "a${var}c");
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ut_asserteq(0, bootm_process_cmdline(buf, 22, BOOTM_CL_SUBST));
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/* Check multiple substitutions */
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ut_assertok(env_set("var", "abc"));
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strcpy(buf, "some${var}thing${bvar}else");
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ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("someabcthingelse", buf);
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/* Check multiple substitutions */
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ut_assertok(env_set("bvar", "123"));
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strcpy(buf, "some${var}thing${bvar}else");
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ut_asserteq(0, bootm_process_cmdline(buf, BUF_SIZE, BOOTM_CL_SUBST));
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ut_asserteq_str("someabcthing123else", buf);
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return 0;
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}
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BOOTM_TEST(bootm_test_subst, 0);
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2020-11-06 01:33:45 +08:00
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/* Test silent processing in the bootargs variable */
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static int bootm_test_silent_var(struct unit_test_state *uts)
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{
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2020-11-06 01:33:38 +08:00
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env_set("bootargs", NULL);
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2020-11-06 01:33:48 +08:00
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST));
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2020-11-06 01:33:45 +08:00
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ut_assertnull(env_get("bootargs"));
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2020-11-06 01:33:48 +08:00
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ut_assertok(env_set("bootargs", "some${var}thing"));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SUBST));
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ut_asserteq_str("something", env_get("bootargs"));
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return 0;
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}
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BOOTM_TEST(bootm_test_silent_var, 0);
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/* Test substitution processing in the bootargs variable */
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static int bootm_test_subst_var(struct unit_test_state *uts)
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{
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2022-08-07 07:51:46 +08:00
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ut_assertok(env_set("silent_linux", "yes"));
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ut_assertok(env_set("bootargs", NULL));
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2020-11-06 01:33:44 +08:00
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("console=ttynull", env_get("bootargs"));
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2020-11-06 01:33:38 +08:00
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2020-11-06 01:33:48 +08:00
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ut_assertok(env_set("var", "abc"));
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ut_assertok(env_set("bootargs", "some${var}thing"));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_SILENT));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("some${var}thing console=ttynull", env_get("bootargs"));
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2020-11-06 01:33:48 +08:00
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2020-11-06 01:33:38 +08:00
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return 0;
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}
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2020-11-06 01:33:48 +08:00
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BOOTM_TEST(bootm_test_subst_var, 0);
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/* Test substitution and silent console processing in the bootargs variable */
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static int bootm_test_subst_both(struct unit_test_state *uts)
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{
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ut_assertok(env_set("silent_linux", "yes"));
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env_set("bootargs", NULL);
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("console=ttynull", env_get("bootargs"));
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2020-11-06 01:33:48 +08:00
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ut_assertok(env_set("bootargs", "some${var}thing " CONSOLE_STR));
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ut_assertok(env_set("var", "1234567890"));
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ut_assertok(bootm_process_cmdline_env(BOOTM_CL_ALL));
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2022-05-20 06:26:05 +08:00
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ut_asserteq_str("some1234567890thing console=ttynull", env_get("bootargs"));
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2020-11-06 01:33:48 +08:00
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return 0;
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}
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BOOTM_TEST(bootm_test_subst_both, 0);
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2020-11-06 01:33:38 +08:00
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int do_ut_bootm(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
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{
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2021-03-08 08:35:10 +08:00
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struct unit_test *tests = UNIT_TEST_SUITE_START(bootm_test);
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const int n_ents = UNIT_TEST_SUITE_COUNT(bootm_test);
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2020-11-06 01:33:38 +08:00
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return cmd_ut_category("bootm", "bootm_test_", tests, n_ents,
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argc, argv);
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}
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