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change strategy for refs to linker symbols to get compatible again with old GCC (6.3), tested on GCC 11 too

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This commit is contained in:
Philippe Teuwen 2021-05-25 16:47:13 +02:00
commit a330401769
5 changed files with 29 additions and 27 deletions
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14
armsrc/start.c
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@ -21,16 +21,16 @@
#include "string.h"
extern struct common_area common_area;
extern char __data_src_start__[], __data_start__[], __data_end__[], __bss_start__[], __bss_end__[];
extern uint32_t __data_src_start__[], __data_start__[], __data_end__[], __bss_start__[], __bss_end__[];
#ifndef WITH_NO_COMPRESSION
static void uncompress_data_section(void) {
int avail_in;
memcpy(&avail_in, __data_src_start__, sizeof(int));
int avail_out = __data_end__ - __data_start__; // uncompressed size. Correct.
int avail_out = (uint32_t)__data_end__ - (uint32_t)__data_start__; // uncompressed size. Correct.
// uncompress data segment to RAM
char *p = __data_src_start__;
int res = LZ4_decompress_safe(p + 4, __data_start__, avail_in, avail_out);
char *p = (char *)__data_src_start__;
int res = LZ4_decompress_safe(p + 4, (char *)__data_start__, avail_in, avail_out);
if (res < 0)
return;
@ -53,15 +53,15 @@ void Vector(void) {
/* Set up data segment: Copy from flash to ram */
#ifdef WITH_NO_COMPRESSION
char *data_src = __data_src_start__;
char *data_dst = __data_start__;
uint32_t *data_src = __data_src_start__;
uint32_t *data_dst = __data_start__;
while (data_dst < __data_end__) *data_dst++ = *data_src++;
#else
uncompress_data_section();
#endif
/* Set up (that is: clear) BSS. */
char *bss_dst = __bss_start__;
uint32_t *bss_dst = __bss_start__;
while (bss_dst < __bss_end__) *bss_dst++ = 0;
AppMain();