diff options
Diffstat (limited to 'tests/spi25.c')
| -rw-r--r-- | tests/spi25.c | 282 |
1 files changed, 282 insertions, 0 deletions
diff --git a/tests/spi25.c b/tests/spi25.c new file mode 100644 index 000000000..872959341 --- /dev/null +++ b/tests/spi25.c @@ -0,0 +1,282 @@ +/* + * This file is part of the flashrom project. + * + * Copyright 2020 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <include/test.h> + +#include "wraps.h" +#include "tests.h" +#include "programmer.h" +#include "flashchips.h" +#include "chipdrivers.h" +#include "spi.h" + +struct flashchip mock_chip = { + .vendor = "Generic", + .name = "unknown SPI chip (RDID)", + .bustype = BUS_SPI, + .manufacture_id = GENERIC_MANUF_ID, + .model_id = GENERIC_DEVICE_ID, + .total_size = 0, + .page_size = 256, + .tested = TEST_BAD_PREW, + .probe = PROBE_SPI_RDID, + .write = NO_WRITE_FUNC, +}; + +/* + * This declaration is needed for visibility, so that wrap below could + * redirect to real function. + */ +int __real_spi_send_command(const struct flashctx *flash, + unsigned int writecnt, unsigned int readcnt, + const unsigned char *writearr, unsigned char *readarr); + +int __wrap_spi_send_command(const struct flashctx *flash, + unsigned int writecnt, unsigned int readcnt, + const unsigned char *writearr, unsigned char *readarr) +{ + if (flash->chip != &mock_chip) + /* + * Caller is some other test, redirecting to real function. + * This test is the only one which uses wrap of spi_send_command, + * all other tests use real function. + */ + return __real_spi_send_command(flash, writecnt, readcnt, writearr, readarr); + + check_expected_ptr(flash); + assert_int_equal(writecnt, mock_type(int)); + assert_int_equal(writearr[0], mock_type(int)); + + int rcnt = mock_type(int); + assert_int_equal(readcnt, rcnt); + for (int i = 0; i < rcnt; i++) + readarr[i] = i; + + return 0; +} + +static void spi_read_progress_cb(struct flashrom_flashctx *flashctx) +{ + struct flashrom_progress *progress_state = flashctx->progress_state; + uint32_t *cnt = (uint32_t *) progress_state->user_data; + assert_int_equal(0x300, progress_state->total); + switch (*cnt) { + case 0: + assert_int_equal(0x100, progress_state->current); + break; + case 1: + assert_int_equal(0x200, progress_state->current); + break; + case 2: + assert_int_equal(0x300, progress_state->current); + break; + case 3: + assert_int_equal(0x300, progress_state->current); + break; + case 4: + assert_int_equal(0x300, progress_state->current); + break; + default: + fail(); + } + (*cnt)++; +} + +void spi_read_chunked_test_success(void **state) +{ + (void) state; /* unused */ + uint8_t buf[0x400] = { 0x0 }; + uint32_t cnt = 0; + const unsigned int max_data_read = 0x100; + const unsigned int offset = 0x100; + struct registered_master mst = { + .spi.read = default_spi_read, + .spi.max_data_read = max_data_read + }; + + /* setup initial test state */ + struct flashctx flashctx = { + .chip = &mock_chip, + .mst = &mst + }; + struct flashrom_progress progress_state = { + .user_data = (void *) &cnt, + }; + flashrom_set_progress_callback(&flashctx, spi_read_progress_cb, &progress_state); + for (int i = 0; i < 4; i++) { + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + will_return(__wrap_spi_send_command, JEDEC_WRDI); + will_return(__wrap_spi_send_command, JEDEC_READ); + will_return(__wrap_spi_send_command, max_data_read); + } + assert_int_equal(0, spi_chip_read(&flashctx, buf, offset, sizeof(buf))); + assert_int_equal(5, cnt); +} + +void spi_write_enable_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_WREN_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_WREN); + will_return(__wrap_spi_send_command, JEDEC_WREN_INSIZE); + assert_int_equal(0, spi_write_enable(&flashctx)); +} + +void spi_write_disable_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_WRDI_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_WRDI); + will_return(__wrap_spi_send_command, JEDEC_WRDI_INSIZE); + assert_int_equal(0, spi_write_disable(&flashctx)); +} + +void probe_spi_rdid_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_RDID_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_RDID); + will_return(__wrap_spi_send_command, JEDEC_RDID_INSIZE); + assert_int_equal(0, probe_spi_rdid(&flashctx)); +} + +void probe_spi_rdid4_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_RDID_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_RDID); + will_return(__wrap_spi_send_command, JEDEC_RDID_INSIZE + 1); + assert_int_equal(0, probe_spi_rdid4(&flashctx)); +} + +void probe_spi_rems_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_REMS_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_REMS); + will_return(__wrap_spi_send_command, JEDEC_REMS_INSIZE); + assert_int_equal(0, probe_spi_rems(&flashctx)); +} + +void probe_spi_res1_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_RES_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_RES); + will_return(__wrap_spi_send_command, JEDEC_RES_INSIZE + 1); + assert_int_equal(0, probe_spi_res2(&flashctx)); +} + +void probe_spi_res2_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + clear_spi_id_cache(); + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_RES_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_RES); + will_return(__wrap_spi_send_command, JEDEC_RES_INSIZE + 1); + assert_int_equal(0, probe_spi_res2(&flashctx)); +} + +void probe_spi_res3_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, JEDEC_RES_OUTSIZE); + will_return(__wrap_spi_send_command, JEDEC_RES); + will_return(__wrap_spi_send_command, JEDEC_RES_INSIZE + 2); + assert_int_equal(0, probe_spi_res3(&flashctx)); +} + +void probe_spi_at25f_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + will_return(__wrap_spi_send_command, AT25F_RDID_OUTSIZE); + will_return(__wrap_spi_send_command, AT25F_RDID); + will_return(__wrap_spi_send_command, AT25F_RDID_INSIZE); + assert_int_equal(0, probe_spi_at25f(&flashctx)); +} + +/* spi95.c */ +void probe_spi_st95_test_success(void **state) +{ + (void) state; /* unused */ + + /* setup initial test state. */ + struct flashctx flashctx = { .chip = &mock_chip }; + expect_memory(__wrap_spi_send_command, flash, + &flashctx, sizeof(flashctx)); + + /* chip total size < 64K. */ + uint32_t rdid_outsize = ST_M95_RDID_2BA_OUTSIZE; // 16 bit address + + will_return(__wrap_spi_send_command, rdid_outsize); + will_return(__wrap_spi_send_command, ST_M95_RDID); + will_return(__wrap_spi_send_command, ST_M95_RDID_INSIZE); + assert_int_equal(0, probe_spi_st95(&flashctx)); +} |