1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (c) 2016 Google, Inc
4 */
5
6 #include <common.h>
7 #include <dm.h>
8 #include <hang.h>
9 #include <init.h>
10 #include <log.h>
11 #include <os.h>
12 #include <spl.h>
13 #include <asm/global_data.h>
14 #include <asm/spl.h>
15 #include <asm/state.h>
16 #include <test/ut.h>
17
18 DECLARE_GLOBAL_DATA_PTR;
19
sandbox_find_next_phase(char * fname,int maxlen,bool use_img)20 int sandbox_find_next_phase(char *fname, int maxlen, bool use_img)
21 {
22 const char *cur_prefix, *next_prefix;
23 int ret;
24
25 cur_prefix = spl_phase_prefix(spl_phase());
26 next_prefix = spl_phase_prefix(spl_next_phase());
27 ret = os_find_u_boot(fname, maxlen, use_img, cur_prefix, next_prefix);
28 if (ret)
29 return log_msg_ret("find", ret);
30
31 return 0;
32 }
33
34 /* SPL / TPL init function */
board_init_f(ulong flag)35 void board_init_f(ulong flag)
36 {
37 struct sandbox_state *state = state_get_current();
38
39 gd->arch.ram_buf = state->ram_buf;
40 gd->ram_size = state->ram_size;
41 }
42
spl_boot_device(void)43 u32 spl_boot_device(void)
44 {
45 return BOOT_DEVICE_BOARD;
46 }
47
spl_board_load_image(struct spl_image_info * spl_image,struct spl_boot_device * bootdev)48 static int spl_board_load_image(struct spl_image_info *spl_image,
49 struct spl_boot_device *bootdev)
50 {
51 char fname[256];
52 int ret;
53
54 ret = sandbox_find_next_phase(fname, sizeof(fname), false);
55 if (ret) {
56 printf("(%s not found, error %d)\n", fname, ret);
57 return ret;
58 }
59
60 /*
61 * Set up spl_image to boot from jump_to_image_no_args(). Allocate this
62 * outsdide the RAM buffer (i.e. don't use strdup()).
63 */
64 spl_image->arg = os_malloc(strlen(fname) + 1);
65 if (!spl_image->arg)
66 return log_msg_ret("exec", -ENOMEM);
67 strcpy(spl_image->arg, fname);
68
69 return 0;
70 }
71 SPL_LOAD_IMAGE_METHOD("sandbox", 9, BOOT_DEVICE_BOARD, spl_board_load_image);
72
spl_board_init(void)73 void spl_board_init(void)
74 {
75 struct sandbox_state *state = state_get_current();
76
77 preloader_console_init();
78
79 if (state->run_unittests) {
80 struct unit_test *tests = UNIT_TEST_ALL_START();
81 const int count = UNIT_TEST_ALL_COUNT();
82 int ret;
83
84 ret = ut_run_list("spl", NULL, tests, count,
85 state->select_unittests);
86 /* continue execution into U-Boot */
87 }
88 }
89
jump_to_image_no_args(struct spl_image_info * spl_image)90 void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image)
91 {
92 const char *fname = spl_image->arg;
93
94 if (fname) {
95 os_fd_restore();
96 os_spl_to_uboot(fname);
97 } else {
98 printf("No filename provided for U-Boot\n");
99 }
100 hang();
101 }
102
handoff_arch_save(struct spl_handoff * ho)103 int handoff_arch_save(struct spl_handoff *ho)
104 {
105 ho->arch.magic = TEST_HANDOFF_MAGIC;
106
107 return 0;
108 }
109