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Make loadlist empty when booting Horizon, more nxboot.c code

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This commit is contained in:
TuxSH
2018-05-14 21:17:06 +02:00
parent c2b22a6bf2
commit 15bba0ba0c
10 changed files with 179 additions and 82 deletions
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85
fusee/fusee-secondary/src/loader.c
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@@ -42,13 +42,7 @@ static int loadlist_entry_ini_handler(void *user, const char *section, const cha
return 1;
}
bool validate_load_address(uintptr_t load_addr) {
/* TODO: Actually validate addresses. */
(void)(load_addr);
return true;
}
void load_list_entry(const char *key) {
static void load_list_entry(const char *key) {
load_file_t load_file_ctx = {0};
struct stat st;
size_t size;
@@ -62,7 +56,12 @@ void load_list_entry(const char *key) {
}
if (load_file_ctx.load_address == 0 || load_file_ctx.path[0] == '\x00') {
printf("Error: Failed to determine where to load %s!\n", key);
printf("Error: Failed to determine where to load %s from!\n", key);
generic_panic();
}
if (strlen(load_file_ctx.path) > LOADER_MAX_PATH_SIZE) {
printf("Error: The filename for %s is too long!\n", key);
generic_panic();
}
@@ -87,26 +86,16 @@ void load_list_entry(const char *key) {
entry->load_address = load_file_ctx.load_address;
entry->size = size;
entry->num = entry_num;
strcpy(get_loader_ctx()->file_paths[entry_num], load_file_ctx.path);
get_loader_ctx()->nb_files++;
get_loader_ctx()->nb_files_to_load++;
/* Check for special keys. */
if (strcmp(key, LOADER_PACKAGE2_KEY) == 0) {
get_loader_ctx()->package2_loadfile = load_file_ctx;
} else if (strcmp(key, LOADER_EXOSPHERE_KEY) == 0) {
get_loader_ctx()->exosphere_loadfile = load_file_ctx;
} else if (strcmp(key, LOADER_TSECFW_KEY) == 0) {
get_loader_ctx()->tsecfw_loadfile = load_file_ctx;
} else if (strcmp(key, LOADER_WARMBOOT_KEY) == 0) {
get_loader_ctx()->warmboot_loadfile = load_file_ctx;
}
strcpy(get_loader_ctx()->file_paths_to_load[entry_num], load_file_ctx.path);
}
void parse_loadlist(const char *ll) {
static void parse_loadlist(const char *ll) {
printf("Parsing load list: %s\n", ll);
char load_list[0x200] = {0};
strncpy(load_list, ll, 0x200);
strncpy(load_list, ll, 0x200 - 1);
char *entry, *p;
@@ -153,7 +142,20 @@ static int loadlist_ini_handler(void *user, const char *section, const char *nam
sscanf(value, "%x", &x);
loader_ctx->chainload_entrypoint = x;
} else if (strcmp(name, LOADER_CUSTOMSPLASH_KEY) == 0) {
strncpy(loader_ctx->custom_splash_path, value, sizeof(loader_ctx->custom_splash_path));
strncpy(loader_ctx->custom_splash_path, value, LOADER_MAX_PATH_SIZE);
loader_ctx->custom_splash_path[LOADER_MAX_PATH_SIZE] = '\0';
} else if (strcmp(name, LOADER_PACKAGE2_KEY) == 0) {
strncpy(loader_ctx->package2_path, value, LOADER_MAX_PATH_SIZE);
loader_ctx->package2_path[LOADER_MAX_PATH_SIZE] = '\0';
} else if (strcmp(name, LOADER_EXOSPHERE_KEY) == 0) {
strncpy(loader_ctx->exosphere_path, value, LOADER_MAX_PATH_SIZE);
loader_ctx->exosphere_path[LOADER_MAX_PATH_SIZE] = '\0';
} else if (strcmp(name, LOADER_TSECFW_KEY) == 0) {
strncpy(loader_ctx->tsecfw_path, value, LOADER_MAX_PATH_SIZE);
loader_ctx->tsecfw_path[LOADER_MAX_PATH_SIZE] = '\0';
} else if (strcmp(name, LOADER_WARMBOOT_KEY) == 0) {
strncpy(loader_ctx->warmboot_path, value, LOADER_MAX_PATH_SIZE);
loader_ctx->warmboot_path[LOADER_MAX_PATH_SIZE] = '\0';
} else {
return 0;
}
@@ -209,7 +211,6 @@ void load_payload(const char *bct0) {
nonallocatable_entries[5].size = __end__ - __start__;
}
/* Set BCT0 global. */
ctx->bct0 = bct0;
@@ -218,13 +219,18 @@ void load_payload(const char *bct0) {
generic_panic();
}
if (ctx->chainload_entrypoint == 0 || ctx->nb_files_to_load > 0) {
printf("Error: loadlist must be empty when booting Horizon!\n");
generic_panic();
}
/* Sort the entries by ascending load addresses */
qsort(g_chainloader_entries, g_chainloader_num_entries, sizeof(chainloader_entry_t), chainloader_entry_comparator);
/* Check for possible overlap and find the entrypoint, also determine whether we can load in-place */
ctx->file_id_of_entrypoint = ctx->nb_files;
for (size_t i = 0; i < ctx->nb_files; i++) {
if (i != ctx->nb_files - 1 &&
ctx->file_id_of_entrypoint = ctx->nb_files_to_load;
for (size_t i = 0; i < ctx->nb_files_to_load; i++) {
if (i != ctx->nb_files_to_load - 1 &&
overlaps(
g_chainloader_entries[i].load_address,
g_chainloader_entries[i].load_address + g_chainloader_entries[i].size,
@@ -234,8 +240,8 @@ void load_payload(const char *bct0) {
) {
printf(
"Error: Loading ranges for files %s and %s overlap!\n",
ctx->file_paths[g_chainloader_entries[i].num],
ctx->file_paths[g_chainloader_entries[i + 1].num]
ctx->file_paths_to_load[g_chainloader_entries[i].num],
ctx->file_paths_to_load[g_chainloader_entries[i + 1].num]
);
generic_panic();
}
@@ -252,22 +258,17 @@ void load_payload(const char *bct0) {
);
}
if (ctx->chainload_entrypoint != 0 && ctx->file_id_of_entrypoint >= ctx->nb_files) {
if (ctx->chainload_entrypoint != 0 && ctx->file_id_of_entrypoint >= ctx->nb_files_to_load) {
printf("Error: Entrypoint not in range of any of the files!\n");
generic_panic();
}
if (ctx->chainload_entrypoint == 0 && !can_load_in_place) {
printf("Error: Files have to be loaded in place when booting Horizon!\n");
generic_panic();
}
if (can_load_in_place) {
for (size_t i = 0; i < ctx->nb_files; i++) {
for (size_t i = 0; i < ctx->nb_files_to_load; i++) {
chainloader_entry_t *entry = &g_chainloader_entries[i];
entry->src_address = entry->load_address;
if (read_from_file((void *)entry->src_address, entry->size, ctx->file_paths[entry->num]) != entry->size) {
printf("Error: Failed to read file %s: %s!\n", ctx->file_paths[entry->num], strerror(errno));
if (read_from_file((void *)entry->src_address, entry->size, ctx->file_paths_to_load[entry->num]) != entry->size) {
printf("Error: Failed to read file %s: %s!\n", ctx->file_paths_to_load[entry->num], strerror(errno));
generic_panic();
}
}
@@ -275,7 +276,7 @@ void load_payload(const char *bct0) {
size_t total_size = 0;
uintptr_t carveout, min_addr, max_addr, pos;
for (size_t i = 0; i < ctx->nb_files; i++) {
for (size_t i = 0; i < ctx->nb_files_to_load; i++) {
total_size += g_chainloader_entries[i].size;
}
@@ -300,11 +301,11 @@ void load_payload(const char *bct0) {
/* Finally, read the files into the carveout */
pos = carveout;
for (size_t i = 0; i < ctx->nb_files; i++) {
for (size_t i = 0; i < ctx->nb_files_to_load; i++) {
chainloader_entry_t *entry = &g_chainloader_entries[i];
entry->src_address = pos;
if (read_from_file((void *)entry->src_address, entry->size, ctx->file_paths[entry->num]) != entry->size) {
printf("Error: Failed to read file %s: %s!\n", ctx->file_paths[entry->num], strerror(errno));
if (read_from_file((void *)entry->src_address, entry->size, ctx->file_paths_to_load[entry->num]) != entry->size) {
printf("Error: Failed to read file %s: %s!\n", ctx->file_paths_to_load[entry->num], strerror(errno));
generic_panic();
}
pos += entry->size;