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>
122 lines
2.6 KiB
C
122 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2010 Tobias Klauser <tklauser@distanz.ch>
|
|
* Copyright (C) 2004 Microtronix Datacom Ltd.
|
|
*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*/
|
|
|
|
#ifndef _ASM_NIOS2_ENTRY_H
|
|
#define _ASM_NIOS2_ENTRY_H
|
|
|
|
#ifdef __ASSEMBLY__
|
|
|
|
#include <asm/processor.h>
|
|
#include <asm/registers.h>
|
|
#include <asm/asm-offsets.h>
|
|
|
|
/*
|
|
* Standard Nios2 interrupt entry and exit macros.
|
|
* Must be called with interrupts disabled.
|
|
*/
|
|
.macro SAVE_ALL
|
|
rdctl r24, estatus
|
|
andi r24, r24, ESTATUS_EU
|
|
beq r24, r0, 1f /* In supervisor mode, already on kernel stack */
|
|
|
|
movia r24, _current_thread /* Switch to current kernel stack */
|
|
ldw r24, 0(r24) /* using the thread_info */
|
|
addi r24, r24, THREAD_SIZE-PT_REGS_SIZE
|
|
stw sp, PT_SP(r24) /* Save user stack before changing */
|
|
mov sp, r24
|
|
br 2f
|
|
|
|
1 : mov r24, sp
|
|
addi sp, sp, -PT_REGS_SIZE /* Backup the kernel stack pointer */
|
|
stw r24, PT_SP(sp)
|
|
2 : stw r1, PT_R1(sp)
|
|
stw r2, PT_R2(sp)
|
|
stw r3, PT_R3(sp)
|
|
stw r4, PT_R4(sp)
|
|
stw r5, PT_R5(sp)
|
|
stw r6, PT_R6(sp)
|
|
stw r7, PT_R7(sp)
|
|
stw r8, PT_R8(sp)
|
|
stw r9, PT_R9(sp)
|
|
stw r10, PT_R10(sp)
|
|
stw r11, PT_R11(sp)
|
|
stw r12, PT_R12(sp)
|
|
stw r13, PT_R13(sp)
|
|
stw r14, PT_R14(sp)
|
|
stw r15, PT_R15(sp)
|
|
movi r24, -1
|
|
stw r24, PT_ORIG_R2(sp)
|
|
stw r7, PT_ORIG_R7(sp)
|
|
|
|
stw ra, PT_RA(sp)
|
|
stw fp, PT_FP(sp)
|
|
stw gp, PT_GP(sp)
|
|
rdctl r24, estatus
|
|
stw r24, PT_ESTATUS(sp)
|
|
stw ea, PT_EA(sp)
|
|
.endm
|
|
|
|
.macro RESTORE_ALL
|
|
ldw r1, PT_R1(sp) /* Restore registers */
|
|
ldw r2, PT_R2(sp)
|
|
ldw r3, PT_R3(sp)
|
|
ldw r4, PT_R4(sp)
|
|
ldw r5, PT_R5(sp)
|
|
ldw r6, PT_R6(sp)
|
|
ldw r7, PT_R7(sp)
|
|
ldw r8, PT_R8(sp)
|
|
ldw r9, PT_R9(sp)
|
|
ldw r10, PT_R10(sp)
|
|
ldw r11, PT_R11(sp)
|
|
ldw r12, PT_R12(sp)
|
|
ldw r13, PT_R13(sp)
|
|
ldw r14, PT_R14(sp)
|
|
ldw r15, PT_R15(sp)
|
|
ldw ra, PT_RA(sp)
|
|
ldw fp, PT_FP(sp)
|
|
ldw gp, PT_GP(sp)
|
|
ldw r24, PT_ESTATUS(sp)
|
|
wrctl estatus, r24
|
|
ldw ea, PT_EA(sp)
|
|
ldw sp, PT_SP(sp) /* Restore sp last */
|
|
.endm
|
|
|
|
.macro SAVE_SWITCH_STACK
|
|
addi sp, sp, -SWITCH_STACK_SIZE
|
|
stw r16, SW_R16(sp)
|
|
stw r17, SW_R17(sp)
|
|
stw r18, SW_R18(sp)
|
|
stw r19, SW_R19(sp)
|
|
stw r20, SW_R20(sp)
|
|
stw r21, SW_R21(sp)
|
|
stw r22, SW_R22(sp)
|
|
stw r23, SW_R23(sp)
|
|
stw fp, SW_FP(sp)
|
|
stw gp, SW_GP(sp)
|
|
stw ra, SW_RA(sp)
|
|
.endm
|
|
|
|
.macro RESTORE_SWITCH_STACK
|
|
ldw r16, SW_R16(sp)
|
|
ldw r17, SW_R17(sp)
|
|
ldw r18, SW_R18(sp)
|
|
ldw r19, SW_R19(sp)
|
|
ldw r20, SW_R20(sp)
|
|
ldw r21, SW_R21(sp)
|
|
ldw r22, SW_R22(sp)
|
|
ldw r23, SW_R23(sp)
|
|
ldw fp, SW_FP(sp)
|
|
ldw gp, SW_GP(sp)
|
|
ldw ra, SW_RA(sp)
|
|
addi sp, sp, SWITCH_STACK_SIZE
|
|
.endm
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
#endif /* _ASM_NIOS2_ENTRY_H */
|