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Support r2 -B for NES roms

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This commit is contained in:
pancake 2017-05-18 01:34:14 +02:00
parent 21aa34726e
commit 8926ef0e6b
1 changed files with 19 additions and 8 deletions
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27
libr/bin/p/bin_nes.c
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@ -5,7 +5,9 @@
#include "nes/nes_specs.h"
static bool check_bytes(const ut8 *buf, ut64 length) {
if (!buf || length < 4) return false;
if (!buf || length < 4) {
return false;
}
return (!memcmp (buf, INES_MAGIC, 4));
}
@ -73,7 +75,7 @@ static RList* symbols(RBinFile *arch) {
addsym (ret, "JOYPAD_PORT", JOYPAD_PORT,0x1);
addsym (ret, "JOYPAD_PORT1", JOYPAD_PORT1,0x1);
addsym (ret, "JOYPAD_PORT2", JOYPAD_PORT2,0x1);
return ret;
return ret;
}
static RList* sections(RBinFile *arch) {
@ -86,10 +88,12 @@ static RList* sections(RBinFile *arch) {
eprintf ("Truncated Header\n");
return NULL;
}
if (!(ret = r_list_new ()))
if (!(ret = r_list_new ())) {
return NULL;
if (!(ptr = R_NEW0 (RBinSection)))
}
if (!(ptr = R_NEW0 (RBinSection))) {
return ret;
}
strcpy (ptr->name, "ROM");
ptr->paddr = INES_HDR_SIZE;
ptr->size = ihdr.prg_page_count_16k * PRG_PAGE_SIZE;
@ -104,8 +108,9 @@ static RList* sections(RBinFile *arch) {
static RList *mem (RBinFile *arch) {
RList *ret;
RBinMem *m, *n;
if (!(ret = r_list_new()))
if (!(ret = r_list_new())) {
return NULL;
}
ret->free = free;
if (!(m = R_NEW0 (RBinMem))) {
r_list_free (ret);
@ -116,8 +121,9 @@ static RList *mem (RBinFile *arch) {
m->size = RAM_SIZE;
m->perms = r_str_rwx ("rwx");
r_list_append (ret, m);
if (!(n = R_NEW0 (RBinMem)))
if (!(n = R_NEW0 (RBinMem))) {
return ret;
}
m->mirrors = r_list_new();
n->name = strdup ("RAM_MIRROR_2");
n->addr = RAM_MIRROR_2_ADDRESS;
@ -143,7 +149,7 @@ static RList *mem (RBinFile *arch) {
m->size = PPU_REG_SIZE;
m->perms = r_str_rwx ("rwx");
r_list_append (ret, m);
m->mirrors = r_list_new();
m->mirrors = r_list_new ();
int i;
for (i = 1; i < 1024; i++) {
if (!(n = R_NEW0 (RBinMem))) {
@ -175,7 +181,6 @@ static RList *mem (RBinFile *arch) {
m->size = SRAM_SIZE;
m->perms = r_str_rwx ("rwx");
r_list_append (ret, m);
return ret;
}
@ -194,11 +199,17 @@ static RList* entries(RBinFile *arch) { //Should be 3 offsets pointed by NMI, RE
return ret;
}
static ut64 baddr(RBinFile *arch) {
// having this we make r2 -B work, otherwise it doesnt works :??
return 0;
}
RBinPlugin r_bin_plugin_nes = {
.name = "nes",
.desc = "NES",
.license = "LGPL3",
.load_bytes = &load_bytes,
.baddr = &baddr,
.check_bytes = &check_bytes,
.entries = &entries,
.sections = sections,