Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /* ----------------------------------------------------------------------- *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  Copyright (C) 2009 Intel Corporation. All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  H. Peter Anvin <hpa@linux.intel.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * -----------------------------------------------------------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  * Outputs a small assembly wrapper with the appropriate symbols defined.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <inttypes.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <tools/le_byteshift.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) int main(int argc, char *argv[])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	uint32_t olen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	long ilen;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	FILE *f = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	int retval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 	if (argc < 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		fprintf(stderr, "Usage: %s compressed_file\n", argv[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		goto bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	/* Get the information for the compressed kernel image first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	f = fopen(argv[1], "r");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	if (!f) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		perror(argv[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		goto bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	if (fseek(f, -4L, SEEK_END)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		perror(argv[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 	if (fread(&olen, sizeof(olen), 1, f) != 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		perror(argv[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		goto bail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	ilen = ftell(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	olen = get_unaligned_le32(&olen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	printf(".section \".rodata..compressed\",\"a\",@progbits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	printf(".globl z_input_len\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	printf("z_input_len = %lu\n", ilen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	printf(".globl z_output_len\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	printf("z_output_len = %lu\n", (unsigned long)olen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	printf(".globl input_data, input_data_end\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	printf("input_data:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	printf(".incbin \"%s\"\n", argv[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	printf("input_data_end:\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	printf(".section \".rodata\",\"a\",@progbits\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	printf(".globl input_len\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	printf("input_len:\n\t.long %lu\n", ilen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	printf(".globl output_len\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	printf("output_len:\n\t.long %lu\n", (unsigned long)olen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) bail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	if (f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 		fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) }