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lz4stream info to int: use memcpy

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This commit is contained in:
Philippe Teuwen 2020-06-07 12:46:05 +02:00
parent cce2e7aad3
commit d48fcbf5eb
2 changed files with 5 additions and 9 deletions
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6
armsrc/fpgaloader.c
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@ -190,10 +190,8 @@ bool FpgaSetupSscDma(uint8_t *buf, int len) {
static int get_from_fpga_combined_stream(lz4_streamp compressed_fpga_stream, uint8_t *output_buffer) {
if (fpga_image_ptr == output_buffer + FPGA_RING_BUFFER_BYTES) { // need more data
fpga_image_ptr = output_buffer;
int cmp_bytes = *(compressed_fpga_stream->next_in + 3);
cmp_bytes = (cmp_bytes << 8) + *(compressed_fpga_stream->next_in+2);
cmp_bytes = (cmp_bytes << 8) + *(compressed_fpga_stream->next_in+1);
cmp_bytes = (cmp_bytes << 8) + *(compressed_fpga_stream->next_in+0);
int cmp_bytes;
memcpy(&cmp_bytes, compressed_fpga_stream->next_in, sizeof(int));
compressed_fpga_stream->next_in += 4;
compressed_fpga_stream->avail_in -= cmp_bytes + 4;
int res = LZ4_decompress_safe_continue(compressed_fpga_stream->lz4StreamDecode,

8
armsrc/start.c
View file

@ -16,6 +16,7 @@
#include "appmain.h"
#include "lz4.h"
#include "BigBuf.h"
#include "string.h"
static uint8_t *next_free_memory;
extern struct common_area common_area;
@ -23,11 +24,8 @@ extern char __data_src_start__, __data_start__, __data_end__, __bss_start__, __b
static void uncompress_data_section(void) {
next_free_memory = BigBuf_get_addr();
int avail_in = *(&__data_start__ + 3);
avail_in = (avail_in << 8) + *(&__data_start__+2);
avail_in = (avail_in << 8) + *(&__data_start__+1);
avail_in = (avail_in << 8) + *(&__data_start__+0); // compressed size. Correct.
int avail_in;
memcpy(&avail_in, &__data_start__, sizeof(int));
int avail_out = &__data_end__ - &__data_start__; // uncompressed size. Correct.
// uncompress data segment to RAM
int res = LZ4_decompress_safe(&__data_src_start__ + 4, &__data_start__, avail_in, avail_out);