Files
ps5debug-NG/debugger/source/kern.c
T
OpenSourcereR-dev 9c649a44dc Initial public release: ps5debug-NG v1.2.2
PS5 debugger payload, inspired by Ctn's ps5debug 1.0b5 and
wire-compatible with it. Runs the wire-protocol server inside
SceShellCore via an umtx-loaded installer that injects the embedded
debugger ELF.

Features: process scan/RPC/ELF-inject, on-console scan, full
debugger (breakpoints, watchpoints, single-step, regs/FP/DR access),
kernel R/W, server-side Zydis disassembly, on-console Keystone
assembler (0xBDAA0024), foreground-app metadata (0xBDDD0006),
server-side RBP stack walk (CMD_PROC_READ_STACK), klog forwarder
(TCP 3232), rest-mode survival and a lot more.

Supports FW families 3.x / 4.0 / 4.x (incl. 4.51) / 5.x / 6.x /
7.x / 7.5x / 8.x via the kpatch routine in installer/source/main.c.

GPL-3.0-only.
2026-05-14 13:44:35 +07:00

61 lines
1.7 KiB
C

// SPDX-License-Identifier: GPL-3.0-only
#include "protocol.h"
#include "sdk_shim.h"
#include "net.h"
#include "kern_rw_fast.h"
int kern_base_handle(int fd, struct cmd_packet *packet) {
(void)packet;
uint64_t kbase = KERNEL_ADDRESS_DATA_BASE;
net_send_int32(fd, CMD_SUCCESS);
net_send_all(fd, &kbase, 8);
return 0;
}
int kern_read_handle(int fd, struct cmd_packet *packet) {
struct cmd_kern_read_packet *p = (struct cmd_kern_read_packet *)packet->data;
if (!p) {
net_send_int32(fd, CMD_DATA_NULL);
return 0;
}
void *buf = net_alloc_buffer(p->length);
if (!buf) {
net_send_int32(fd, CMD_DATA_NULL);
return 1;
}
kernel_copyout_fast(p->address, buf, p->length);
net_send_int32(fd, CMD_SUCCESS);
net_send_all(fd, buf, p->length);
free(buf);
return 0;
}
int kern_write_handle(int fd, struct cmd_packet *packet) {
struct cmd_kern_write_packet *p = (struct cmd_kern_write_packet *)packet->data;
if (!p) {
net_send_int32(fd, CMD_DATA_NULL);
return 0;
}
void *buf = net_alloc_buffer(p->length);
if (!buf) {
net_send_int32(fd, CMD_DATA_NULL);
return 1;
}
net_send_int32(fd, CMD_SUCCESS);
net_recv_all(fd, buf, p->length, 1);
kernel_copyin_fast(buf, p->address, p->length);
net_send_int32(fd, CMD_SUCCESS);
free(buf);
return 0;
}
int kern_handle(int fd, struct cmd_packet *packet) {
switch (packet->cmd) {
case 0xBDCC0001u: return kern_base_handle(fd, packet);
case 0xBDCC0002u: return kern_read_handle(fd, packet);
case 0xBDCC0003u: return kern_write_handle(fd, packet);
default: return 1;
}
}