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Add kpmmgr to build the workflow and related source files

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This commit is contained in:
ShirkNeko
2025-03-29 15:35:14 +08:00
parent ae3c591638
commit e6baa7fe56
5 changed files with 137 additions and 0 deletions
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6
userspace/kpmmgr/jni/Android.mk Normal file
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@@ -0,0 +1,6 @@
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := kpmmgr
LOCAL_SRC_FILES := kpmmgr.c
include $(BUILD_EXECUTABLE)

3
userspace/kpmmgr/jni/Application.mk Normal file
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@@ -0,0 +1,3 @@
APP_ABI := arm64-v8a x86_64
APP_PLATFORM := android-24
APP_STL := none

86
userspace/kpmmgr/jni/kpmmgr.c Normal file
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@@ -0,0 +1,86 @@
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/prctl.h>
#include <string.h>
#include <errno.h>
#define KSU_OPTIONS 0xdeadbeef
// KPM控制代码
#define CMD_KPM_CONTROL 28
#define CMD_KPM_CONTROL_MAX 7
// 控制代码
#define SUKISU_KPM_LOAD 1
#define SUKISU_KPM_UNLOAD 2
#define SUKISU_KPM_NUM 3
#define SUKISU_KPM_LIST 4
#define SUKISU_KPM_INFO 5
#define SUKISU_KPM_CONTROL 6
#define SUKISU_KPM_PRINT 7
#define CONTROL_CODE(n) (CMD_KPM_CONTROL + n)
void print_usage(const char *prog) {
printf("Usage: %s <command> [args]\n", prog);
printf("Commands:\n");
printf(" load <path> <args> Load a KPM module\n");
printf(" unload <name> Unload a KPM module\n");
printf(" num Get number of loaded modules\n");
printf(" list List loaded KPM modules\n");
printf(" info <name> Get info of a KPM module\n");
printf(" control <name> <args> Send control command to a KPM module\n");
printf(" print Print KPM module list to stdout\n");
}
int main(int argc, char *argv[]) {
if (argc < 2) {
print_usage(argv[0]);
return 1;
}
int ret = -1;
int out = 0; // 存储返回值
if (strcmp(argv[1], "load") == 0 && argc >= 3) {
// 加载 KPM 模块
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_LOAD), argv[2], (argc > 3 ? argv[3] : NULL), &out);
} else if (strcmp(argv[1], "unload") == 0 && argc >= 3) {
// 卸载 KPM 模块
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_UNLOAD), argv[2], &out);
} else if (strcmp(argv[1], "num") == 0) {
// 获取加载的 KPM 数量
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_NUM), &out);
} else if (strcmp(argv[1], "list") == 0) {
// 获取模块列表
char buffer[1024] = {0};
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_LIST), buffer, sizeof(buffer), &out);
if (ret >= 0) {
printf("%s", buffer);
}
} else if (strcmp(argv[1], "info") == 0 && argc >= 3) {
// 获取指定模块信息
char buffer[256] = {0};
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_INFO), argv[2], buffer, &out);
if (ret >= 0) {
printf("%s\n", buffer);
}
} else if (strcmp(argv[1], "control") == 0 && argc >= 4) {
// 控制 KPM 模块
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_CONTROL), argv[2], argv[3], &out);
} else if (strcmp(argv[1], "print") == 0) {
// 在 stdout 输出 KPM 列表
ret = prctl(KSU_OPTIONS, CONTROL_CODE(SUKISU_KPM_PRINT), &out);
} else {
print_usage(argv[0]);
return 1;
}
if (ret < 0) {
printf("Error: %s\n", strerror(errno));
return -1;
}
return 0;
}