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payload changes

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This commit is contained in:
Gregor Haas
2020-02-09 11:11:42 -05:00
parent 83ca059295
commit e341d51bf9
10 changed files with 111 additions and 23 deletions
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62
c8_libpayload/pl/src/exit_usb_task.c Normal file
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@@ -0,0 +1,62 @@
#include "brfunc_common.h"
#include "util.h"
PAYLOAD_SECTION
void fix_heap()
{
BOOTROM_FUNC calculate_checksum = ((BOOTROM_FUNC) 0x10000ee20);
BOOTROM_FUNC heap_verify = ((BOOTROM_FUNC) 0x10000f8b4);
*((unsigned long long *) 0x1801b91a0) = 0x80 / 0x40;
*((unsigned long long *) 0x1801b91a8) = ((0x840u / 0x40) << 2u);
*((unsigned long long *) 0x1801b91b0) = 0x80;
*((unsigned long long *) 0x1801b91b8) = 0;
*((unsigned long long *) 0x1801b9220) = 0x80 / 0x40;
*((unsigned long long *) 0x1801b9228) = ((0x80u / 0x40) << 2u);
*((unsigned long long *) 0x1801b9230) = 0x80;
*((unsigned long long *) 0x1801b9238) = 0;
*((unsigned long long *) 0x1801b92a0) = 0x80 / 0x40;
*((unsigned long long *) 0x1801b92a8) = ((0x80u / 0x40) << 2u);
*((unsigned long long *) 0x1801b92b0) = 0x80;
*((unsigned long long *) 0x1801b92b8) = 0;
__asm__ volatile ("dmb sy");
calculate_checksum((unsigned long long *) 0x1801b9180,
(unsigned long long *) 0x1801b91a0,
32,
(unsigned long long *) 0x180080640);
calculate_checksum((unsigned long long *) 0x1801b9200,
(unsigned long long *) 0x1801b9220,
32,
(unsigned long long *) 0x180080640);
calculate_checksum((unsigned long long *) 0x1801b9280,
(unsigned long long *) 0x1801b92a0,
32,
(unsigned long long *) 0x180080640);
__asm__ volatile ("dmb sy");
heap_verify();
}
TEXT_SECTION
void _start()
{
unsigned int *completion = (unsigned int *) 0x180088ac8;
unsigned char *dfu_done = (unsigned char *) 0x180088ac0;
unsigned long long *dfu_event = (unsigned long long *) 0x180088af0;
BOOTROM_FUNC event_signal = ((BOOTROM_FUNC) 0x10000aee8);
BOOTROM_FUNC enter_critical_section = ((BOOTROM_FUNC) 0x10000a4b8);
fix_heap();
*completion = -1;
*dfu_done = 1;
event_signal(dfu_event);
// enter_critical_section();
}