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elf2kip: add compatibility for 8.0.0+ memory region capabilities (#30)

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SciresM 2020-08-06 07:32:09 -07:00 committed by GitHub
parent b3a257b530
commit 48ec411d85
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1 changed files with 42 additions and 1 deletions
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43
src/elf2kip.c
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@ -399,7 +399,48 @@ int ParseKipConfiguration(const char *json, KipHeader *kip_hdr) {
}
desc = (u32)((page_address >> 12) & 0x00FFFFFFULL);
kip_hdr->Capabilities[cur_cap++] = (u32)((desc << 8) | (0x007F));
} else if (!strcmp(type_str, "irq_pair")) {
} else if (!strcmp(type_str, "map_region")) {
if (cur_cap + 1 > 0x20) {
fprintf(stderr, "Error: Too many capabilities!\n");
status = 0;
goto PARSE_CAPS_END;
}
if (!cJSON_IsArray(value)) {
fprintf(stderr, "Map Region capability value must be array!\n");
status = 0;
goto PARSE_CAPS_END;
}
u8 regions[3] = {0};
int is_ro[3] = {0};
const cJSON *cur_region = NULL;
int index = 0;
cJSON_ArrayForEach(cur_region, value) {
if (index >= 3) {
fprintf(stderr, "Too many region descriptors!\n");
status = 0;
goto PARSE_CAPS_END;
}
if (!cJSON_IsObject(cur_region)) {
fprintf(stderr, "Region descriptor value must be object!\n");
status = 0;
goto PARSE_CAPS_END;
}
if (!cJSON_GetU8(cur_region, "region_type", &regions[index]) ||
!cJSON_GetBoolean(cur_region, "is_ro", &is_ro[index])) {
status = 0;
goto PARSE_CAPS_END;
}
index++;
}
u32 capability = 0x3FF;
for (int i = 0; i < 3; ++i) {
capability |= ((regions[i] & 0x3F) | ((is_ro[i] & 1) << 6)) << (11 + 7 * i);
}
kip_hdr->Capabilities[cur_cap++] = capability;
} else if (!strcmp(type_str, "irq_pair")) {
if (cur_cap + 1 > 0x20) {
fprintf(stderr, "Error: Too many capabilities!\n");
status = 0;