8f34c2760d
project:cfg:BoardConfig_IPC: Added fastboot BoardConfig file and firmware post-scripts, distinguishing between the BoardConfigs for Luckfox Pico Pro and Luckfox Pico Max. project:app: Added fastboot_client and rk_smart_door for quick boot applications; updated rkipc app to adapt to the latest media library. media:samples: Added more usage examples. media:rockit: Fixed bugs; removed support for retrieving data frames from VPSS. media:isp: Updated rkaiq library and related tools to support connection to RKISP_Tuner. sysdrv:Makefile: Added support for compiling drv_ko on Luckfox Pico Ultra W using Ubuntu; added support for custom root filesystem. sysdrv:tools:board: Updated Buildroot optional mirror sources, updated some software versions, and stored device tree files and configuration files that undergo multiple modifications for U-Boot and kernel separately. sysdrv:source:mcu: Used RISC-V MCU SDK with RT-Thread system, mainly for initializing camera AE during quick boot. sysdrv:source:uboot: Added support for fastboot; added high baud rate DDR bin for serial firmware upgrades. sysdrv:source:kernel: Upgraded to version 5.10.160; increased NPU frequency for RV1106G3; added support for fastboot. Signed-off-by: luckfox-eng29 <eng29@luckfox.com>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/mm.h> /* for handle_mm_fault() */
|
|
#include <linux/ftrace.h>
|
|
|
|
extern void my_direct_func(struct vm_area_struct *vma,
|
|
unsigned long address, unsigned int flags);
|
|
|
|
void my_direct_func(struct vm_area_struct *vma,
|
|
unsigned long address, unsigned int flags)
|
|
{
|
|
trace_printk("handle mm fault vma=%p address=%lx flags=%x\n",
|
|
vma, address, flags);
|
|
}
|
|
|
|
extern void my_tramp(void *);
|
|
|
|
asm (
|
|
" .pushsection .text, \"ax\", @progbits\n"
|
|
" .type my_tramp, @function\n"
|
|
" .globl my_tramp\n"
|
|
" my_tramp:"
|
|
" pushq %rbp\n"
|
|
" movq %rsp, %rbp\n"
|
|
" pushq %rdi\n"
|
|
" pushq %rsi\n"
|
|
" pushq %rdx\n"
|
|
" call my_direct_func\n"
|
|
" popq %rdx\n"
|
|
" popq %rsi\n"
|
|
" popq %rdi\n"
|
|
" leave\n"
|
|
ASM_RET
|
|
" .size my_tramp, .-my_tramp\n"
|
|
" .popsection\n"
|
|
);
|
|
|
|
|
|
static int __init ftrace_direct_init(void)
|
|
{
|
|
return register_ftrace_direct((unsigned long)handle_mm_fault,
|
|
(unsigned long)my_tramp);
|
|
}
|
|
|
|
static void __exit ftrace_direct_exit(void)
|
|
{
|
|
unregister_ftrace_direct((unsigned long)handle_mm_fault,
|
|
(unsigned long)my_tramp);
|
|
}
|
|
|
|
module_init(ftrace_direct_init);
|
|
module_exit(ftrace_direct_exit);
|
|
|
|
MODULE_AUTHOR("Steven Rostedt");
|
|
MODULE_DESCRIPTION("Another example use case of using register_ftrace_direct()");
|
|
MODULE_LICENSE("GPL");
|