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>
47 lines
819 B
C
47 lines
819 B
C
/*
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* File : __udivsi3.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006, RT-Thread Develop Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://openlab.rt-thread.com/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2006-10-09 Bernard the first version for i386
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*/
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#include <stdint.h>
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uint32_t __udivsi3(uint32_t num, uint32_t den)
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{
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uint32_t quot = 0, qbit = 1;
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if (den == 0)
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{
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asm volatile ("int $0");
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return 0; /* If trap returns... */
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}
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/* Left-justify denominator and count shift */
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while ((int32_t) den >= 0)
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{
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den <<= 1;
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qbit <<= 1;
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}
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while (qbit)
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{
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if (den <= num)
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{
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num -= den;
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quot += qbit;
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}
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den >>= 1;
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qbit >>= 1;
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}
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return quot;
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}
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