/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. * * Tests for vboot_api_firmware */ #include <stddef.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include "crc32.h" #include "gbb_header.h" #include "host_common.h" #include "load_kernel_fw.h" #include "rollback_index.h" #include "test_common.h" #include "vboot_common.h" #include "vboot_display.h" #include "vboot_nvstorage.h" #include "vboot_struct.h" /* Expected results */ #define MAX_NOTE_EVENTS 10 #define TICKS_PER_MSEC 1900ULL #define TIME_FUZZ 500 #define KBD_READ_TIME 60 typedef struct { uint16_t msec; uint16_t freq; int time; } note_event_t; typedef struct { char *name; uint32_t gbb_flags; VbError_t beep_return; uint32_t keypress_key; int keypress_at_count; int num_events; note_event_t notes[MAX_NOTE_EVENTS]; } test_case_t; test_case_t test[] = { { "VbBootDeveloperSoundTest( fast, background )", 0x00000001, VBERROR_SUCCESS, 0, 0, 2, { {0, 0, 0}, // probing for capability {0, 0, 2000}, // off and return at 2 seconds }}, { "VbBootDeveloperSoundTest( normal, background )", 0x00000000, VBERROR_SUCCESS, 0, 0, 6, { {0, 0, 0}, // probing for capability {0, 400, 20000}, // starts first beep at 20 seconds {0, 0, 20250}, // stops 250ms later {0, 400, 20500}, // starts second beep {0, 0, 20750}, // stops 250ms later {0, 0, 30000}, // off and return at 30 seconds }}, { "VbBootDeveloperSoundTest( fast, no background )", 0x00000001, VBERROR_NO_BACKGROUND_SOUND, 0, 0, 2, { {0, 0, 0}, // probing for capability {0, 0, 2000}, // off and return at 2 seconds }}, { "VbBootDeveloperSoundTest( normal, no background )", 0x00000000, VBERROR_NO_BACKGROUND_SOUND, 0, 0, 4, { {0, 0, 0}, // probing for capability {250, 400, 20000}, // first beep at 20 seconds {250, 400, 20510}, // second beep shortly after {0, 0, 30020}, // off and return at 30 seconds }}, // Now with some keypresses { "VbBootDeveloperSoundTest( normal, background, Ctrl-D )", 0x00000000, VBERROR_SUCCESS, 4, 10000, // Ctrl-D at 10 seconds 2, { {0, 0, 0}, // probing for capability {0, 0, 10000}, // sees Ctrl-D, sound off, return }}, { "VbBootDeveloperSoundTest( normal, no background, Ctrl-D )", 0x00000000, VBERROR_NO_BACKGROUND_SOUND, 4, 20400, // Ctrl-D between beeps 3, { {0, 0, 0}, // probing for capability {250, 400, 20000}, // first beep at 20 seconds {0, 0, 20400}, // sees Ctrl-D, sound off, return }}, { "VbBootDeveloperSoundTest( normal, background, Ctrl-U not allowed )", 0x00000000, VBERROR_SUCCESS, 21, 10000, // Ctrl-U at 10 seconds 8, { {0, 0, 0}, // probing for capability {120, 400, 10000}, // complains about Ctrl-U (one beep) // waits 120ms... {120, 400, 10240}, // complains about Ctrl-U (two beeps) // original sequence is now shifted... {0, 400, 20360}, // starts first beep at 20 seconds {0, 0, 20610}, // stops 250ms later {0, 400, 20860}, // starts second beep {0, 0, 21110}, // stops 250ms later {0, 0, 30360}, // returns at 30 seconds + 360ms }}, }; /* Mock data */ static VbCommonParams cparams; static LoadKernelParams lkparams; static VbNvContext vnc; static uint8_t shared_data[VB_SHARED_DATA_MIN_SIZE]; static VbSharedDataHeader* shared = (VbSharedDataHeader*)shared_data; static GoogleBinaryBlockHeader gbb; static int current_time; static uint64_t current_ticks; static int current_event; static int max_events; static int matched_events; static int kbd_fire_at; static uint32_t kbd_fire_key; static VbError_t beep_return; static note_event_t *expected_event; /* Reset mock data (for use before each test) */ static void ResetMocks(void) { Memset(&cparams, 0, sizeof(cparams)); cparams.shared_data_size = sizeof(shared_data); cparams.shared_data_blob = shared_data; cparams.gbb_data = &gbb; cparams.gbb = &gbb; Memset(&lkparams, 0, sizeof(lkparams)); Memset(&vnc, 0, sizeof(vnc)); VbNvSetup(&vnc); VbNvTeardown(&vnc); /* So CRC gets generated */ Memset(&shared_data, 0, sizeof(shared_data)); VbSharedDataInit(shared, sizeof(shared_data)); shared->fw_keyblock_flags = 0xABCDE0; Memset(&gbb, 0, sizeof(gbb)); gbb.major_version = GBB_MAJOR_VER; gbb.minor_version = GBB_MINOR_VER; gbb.flags = 0; current_ticks = 0; current_time = 0; current_event = 0; kbd_fire_at = 0; kbd_fire_key = 0; beep_return = VBERROR_SUCCESS; matched_events = 0; max_events = 0; } /****************************************************************************/ /* Mocked verification functions */ VbError_t VbExNvStorageRead(uint8_t* buf) { Memcpy(buf, vnc.raw, sizeof(vnc.raw)); return VBERROR_SUCCESS; } VbError_t VbExNvStorageWrite(const uint8_t* buf) { Memcpy(vnc.raw, buf, sizeof(vnc.raw)); return VBERROR_SUCCESS; } VbError_t VbExDiskGetInfo(VbDiskInfo** infos_ptr, uint32_t* count, uint32_t disk_flags) { return VBERROR_UNKNOWN; } VbError_t VbExDiskFreeInfo(VbDiskInfo* infos, VbExDiskHandle_t preserve_handle) { return VBERROR_SUCCESS; } VbError_t VbExDiskRead(VbExDiskHandle_t handle, uint64_t lba_start, uint64_t lba_count, void* buffer) { return VBERROR_UNKNOWN; } VbError_t VbExDiskWrite(VbExDiskHandle_t handle, uint64_t lba_start, uint64_t lba_count, const void* buffer) { return VBERROR_UNKNOWN; } uint32_t VbExIsShutdownRequested(void) { return 0; } uint32_t VbExKeyboardRead(void) { uint32_t tmp; uint32_t now; VbExSleepMs(KBD_READ_TIME); now = current_time; if (kbd_fire_key && now >= kbd_fire_at) { VBDEBUG((" VbExKeyboardRead() - returning %d at %d msec\n", kbd_fire_key, now)); tmp = kbd_fire_key; kbd_fire_key = 0; return tmp; } VBDEBUG((" VbExKeyboardRead() - returning %d at %d msec\n", 0, now)); return 0; } void VbExSleepMs(uint32_t msec) { current_ticks += (uint64_t)msec * TICKS_PER_MSEC; current_time = current_ticks / TICKS_PER_MSEC; VBDEBUG(("VbExSleepMs(%d) -> %d\n", msec, current_time)); } uint64_t VbExGetTimer(void) { return current_ticks; } VbError_t VbExBeep(uint32_t msec, uint32_t frequency) { VBDEBUG(("VbExBeep(%d, %d) at %d msec\n", msec, frequency, current_time)); if (current_event < max_events && msec == expected_event[current_event].msec && frequency == expected_event[current_event].freq && abs(current_time - expected_event[current_event].time) < TIME_FUZZ ) { matched_events++; } if (msec) VbExSleepMs(msec); current_event++; return beep_return; } VbError_t VbExDisplayScreen(uint32_t screen_type) { switch(screen_type) { case VB_SCREEN_BLANK: VBDEBUG(("VbExDisplayScreen(BLANK)\n")); break; case VB_SCREEN_DEVELOPER_WARNING: VBDEBUG(("VbExDisplayScreen(DEV)\n")); break; case VB_SCREEN_DEVELOPER_EGG: VBDEBUG(("VbExDisplayScreen(EGG)\n")); break; case VB_SCREEN_RECOVERY_REMOVE: VBDEBUG(("VbExDisplayScreen(REMOVE)\n")); break; case VB_SCREEN_RECOVERY_INSERT: VBDEBUG(("VbExDisplayScreen(INSERT)\n")); break; case VB_SCREEN_RECOVERY_NO_GOOD: VBDEBUG(("VbExDisplayScreen(NO_GOOD)\n")); break; default: VBDEBUG(("VbExDisplayScreen(%d)\n", screen_type)); } VBDEBUG((" current_time is %d msec\n", current_time)); return VBERROR_SUCCESS; } /****************************************************************************/ VbError_t VbBootDeveloper(VbCommonParams* cparams, LoadKernelParams* p); static void VbBootDeveloperSoundTest(void) { int i; int num_tests = sizeof(test) / sizeof(test_case_t); for (i=0; i<num_tests; i++) { VBDEBUG(("STARTING %s ...\n", test[i].name)); ResetMocks(); gbb.flags = test[i].gbb_flags; beep_return = test[i].beep_return; kbd_fire_key = test[i].keypress_key; kbd_fire_at = test[i].keypress_at_count; max_events = test[i].num_events; expected_event = test[i].notes; (void) VbBootDeveloper(&cparams, &lkparams); VBDEBUG(("INFO: matched %d total %d expected %d\n", matched_events, current_event, test[i].num_events)); TEST_TRUE(matched_events == test[i].num_events && current_event == test[i].num_events, test[i].name); } } int main(int argc, char* argv[]) { int error_code = 0; VbBootDeveloperSoundTest(); if (!gTestSuccess) error_code = 255; if (vboot_api_stub_check_memory()) error_code = 255; return error_code; }