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Get boot config properly

Browse Source 
https://android.googlesource.com/platform/system/core/+/refs/tags/android-11.0.0_r16/fs_mgr/fs_mgr_boot_config.cpp#93
This commit is contained in:
vvb2060 2020-12-09 20:22:17 +08:00 committed by topjohnwu
parent 6ce9225f52
commit c5b452f369
1 changed files with 22 additions and 1 deletions
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23
native/jni/init/getinfo.cpp
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@ -130,6 +130,16 @@ void setup_klog() {
} }
} }
#define read_dt(name, key) \
sprintf(file_name, "%s/" name, cmd->dt_dir); \
if (access(file_name, R_OK) == 0){ \
string data = full_read(file_name); \
if (!data.empty()) { \
data.pop_back(); \
strcpy(cmd->key, data.data()); \
} \
}
void load_kernel_info(cmdline *cmd) { void load_kernel_info(cmdline *cmd) {
// Get kernel data using procfs and sysfs // Get kernel data using procfs and sysfs
xmkdir("/proc", 0755); xmkdir("/proc", 0755);
@ -161,7 +171,7 @@ void load_kernel_info(cmdline *cmd) {
} }
}); });
LOGD("Device info:\n"); LOGD("Kernel cmdline info:\n");
LOGD("skip_initramfs=[%d]\n", cmd->skip_initramfs); LOGD("skip_initramfs=[%d]\n", cmd->skip_initramfs);
LOGD("force_normal_boot=[%d]\n", cmd->force_normal_boot); LOGD("force_normal_boot=[%d]\n", cmd->force_normal_boot);
LOGD("slot=[%s]\n", cmd->slot); LOGD("slot=[%s]\n", cmd->slot);
@ -181,6 +191,17 @@ void load_kernel_info(cmdline *cmd) {
if (cmd->dt_dir[0] == '\0') if (cmd->dt_dir[0] == '\0')
strcpy(cmd->dt_dir, DEFAULT_DT_DIR); strcpy(cmd->dt_dir, DEFAULT_DT_DIR);
char file_name[128];
read_dt("fstab_suffix", fstab_suffix)
read_dt("hardware", hardware)
read_dt("hardware.platform", hardware_plat)
LOGD("Device tree info:\n");
LOGD("dt_dir=[%s]\n", cmd->dt_dir);
LOGD("fstab_suffix=[%s]\n", cmd->fstab_suffix);
LOGD("hardware=[%s]\n", cmd->hardware);
LOGD("hardware.platform=[%s]\n", cmd->hardware_plat);
} }
bool check_two_stage() { bool check_two_stage() {