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[stage2] Add "hexdump"

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This commit is contained in:
TuxSH 2018-05-16 19:58:04 +02:00
parent 0d5796fa0b
commit c71e7c8c2e
2 changed files with 38 additions and 0 deletions
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36
fusee/fusee-secondary/src/utils.c
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@ -6,6 +6,8 @@
#include "panic_color.h"
#include "timers.h"
#include <stdio.h>
#include <inttypes.h>
__attribute__ ((noreturn)) void panic(uint32_t code) {
/* Set Panic Code for NX_BOOTLOADER. */
@ -38,3 +40,37 @@ __attribute__((noinline)) bool overlaps(uint64_t as, uint64_t ae, uint64_t bs, u
return true;
return false;
}
/* Adapted from https://gist.github.com/ccbrown/9722406 */
void hexdump(const void* data, size_t size, uintptr_t addrbase) {
const uint8_t *d = (const uint8_t *)data;
char ascii[17];
ascii[16] = '\0';
for (size_t i = 0; i < size; i++) {
if (i % 16 == 0) {
printf("%0*" PRIXPTR ": | ", 2 * sizeof(addrbase), addrbase + i);
}
printf("%02X ", d[i]);
if (d[i] >= ' ' && d[i] <= '~') {
ascii[i % 16] = d[i];
} else {
ascii[i % 16] = '.';
}
if ((i+1) % 8 == 0 || i+1 == size) {
printf(" ");
if ((i+1) % 16 == 0) {
printf("| %s \n", ascii);
} else if (i+1 == size) {
ascii[(i+1) % 16] = '\0';
if ((i+1) % 16 <= 8) {
printf(" ");
}
for (size_t j = (i+1) % 16; j < 16; j++) {
printf(" ");
}
printf("| %s \n", ascii);
}
}
}
}

2
fusee/fusee-secondary/src/utils.h
View file

@ -102,6 +102,8 @@ static inline bool check_32bit_address_range_in_program(uintptr_t addr, size_t s
overlaps_a(start, end, __start__, __end__);
}
void hexdump(const void* data, size_t size, uintptr_t addrbase);
void panic(uint32_t code);
void generic_panic(void);
void panic_predefined(uint32_t which);