Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-only
/* ----------------------------------------------------------------------- *
 *
 *  Copyright (C) 2009 Intel Corporation. All rights reserved.
 *
 *  H. Peter Anvin <hpa@linux.intel.com>
 *
 * -----------------------------------------------------------------------
 *
 * Outputs a small assembly wrapper with the appropriate symbols defined.
 */
 
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <tools/le_byteshift.h>
 
int main(int argc, char *argv[])
{
<------>uint32_t olen;
<------>long ilen;
<------>FILE *f = NULL;
<------>int retval = 1;
 
<------>if (argc < 2) {
<------><------>fprintf(stderr, "Usage: %s compressed_file\n", argv[0]);
<------><------>goto bail;
<------>}
 
<------>/* Get the information for the compressed kernel image first */
 
<------>f = fopen(argv[1], "r");
<------>if (!f) {
<------><------>perror(argv[1]);
<------><------>goto bail;
<------>}
 
 
<------>if (fseek(f, -4L, SEEK_END)) {
<------><------>perror(argv[1]);
<------>}
 
<------>if (fread(&olen, sizeof(olen), 1, f) != 1) {
<------><------>perror(argv[1]);
<------><------>goto bail;
<------>}
 
<------>ilen = ftell(f);
<------>olen = get_unaligned_le32(&olen);
 
<------>printf(".section \".rodata..compressed\",\"a\",@progbits\n");
<------>printf(".globl z_input_len\n");
<------>printf("z_input_len = %lu\n", ilen);
<------>printf(".globl z_output_len\n");
<------>printf("z_output_len = %lu\n", (unsigned long)olen);
 
<------>printf(".globl input_data, input_data_end\n");
<------>printf("input_data:\n");
<------>printf(".incbin \"%s\"\n", argv[1]);
<------>printf("input_data_end:\n");
 
<------>printf(".section \".rodata\",\"a\",@progbits\n");
<------>printf(".globl input_len\n");
<------>printf("input_len:\n\t.long %lu\n", ilen);
<------>printf(".globl output_len\n");
<------>printf("output_len:\n\t.long %lu\n", (unsigned long)olen);
 
<------>retval = 0;
bail:
<------>if (f)
<------><------>fclose(f);
<------>return retval;
}