github-mirrors/neorv32
1
0
Fork 0
mirror of https://github.com/stnolting/neorv32.git synced 2025-04-24 14:17:51 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

[sw/bootloader] stall if unexpected exception

Browse source
This commit is contained in:
stnolting 2021-10-24 19:55:44 +02:00
parent ef8432cdec
commit 9f158b7796
1 changed files with 3 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

7
sw/bootloader/bootloader.c
View file

@ -512,21 +512,20 @@ void __attribute__((__interrupt__)) bootloader_trap_handler(void) {
system_error(ERROR_SIZE); // -> seems like executable is too large
}
// Anything else (that was not expected); output exception notifier and try to resume
// Anything else (that was not expected): FREEZE
else {
uint32_t epc = neorv32_cpu_csr_read(CSR_MEPC);
#if (UART_EN != 0)
if (neorv32_uart0_available()) {
PRINT_TEXT("\n[EXC ");
PRINT_XNUM(cause); // MCAUSE
PRINT_PUTC(' ');
PRINT_XNUM(epc); // MEPC
PRINT_XNUM(neorv32_cpu_csr_read(CSR_MEPC)); // MEPC
PRINT_PUTC(' ');
PRINT_XNUM(neorv32_cpu_csr_read(CSR_MTVAL)); // MTVAL
PRINT_TEXT("]\n");
}
#endif
neorv32_cpu_csr_write(CSR_MEPC, epc + 4); // advance to next instruction
while(1); // stall
}
}