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2026-04-09T05:48:31Z
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https://www.theiphonewiki.com/w/index.php?title=Bootx_(iBoot_command)&diff=7021
Bootx (iBoot command)
2010-07-15T10:30:46Z
<p>DebraBromwick: </p>
<hr />
<div>== Description ==<br />
A command found in iBoot, iBSS, and iBEC that verifies and boots a kernelcache image which has been uploaded. [http://www.casino-spielen.biz/roulette-spielen roulette spielen]<br />
<br />
==Decompliation==<br />
iPhone 3GS 8920x from iBoot-636.66<br />
#define kLoadAddress 0x41000000<br />
#define kKernelMaxSize 0xF00000<br />
<br />
char** gBootArgs;<br />
<br />
int cmd_bootx(int argc, [[CmdArg]]* argv) {<br />
void* address = NULL;<br />
if(argc > 1 && !strcmp("help", argv[1].string)) {<br />
printf("usage:\n\t%s [<address>]\n", argv[0].string);<br />
return -1;<br />
}<br />
<br />
if(range_check(kLoadAddress, kKernelMaxSize) < 0) {<br />
printf("Permission Denied\n");<br />
return -1;<br />
}<br />
<br />
printf("Attempting to validate kernelcache @ 0x%08x\n", kLoadAddress);<br />
int err = load_macho_image(kLoadAddress, kKernelMaxSize, &address)<br />
if(err >= 0) {<br />
printf("kernelcache prepped at address 0x%08x\n", address);<br />
jump_to(3, address, gBootArgs);<br />
<br />
} else {<br />
printf("error loading kernelcache\n");<br />
}<br />
<br />
return err;<br />
}</div>
DebraBromwick