From 9662824b4b92cd362db07898cb364f78b8411cd3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=9B=B6=E4=B8=AD=E6=96=AD=E5=BB=B6=E8=BF=9F=E7=9A=84RTOS?= Date: Thu, 6 Aug 2026 23:43:24 +0000 Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=96=87=E4=BB=B6=20Port/por?= =?UTF-8?q?t=5Fx32/RISC-V32/port=5Frv32=5FHWS.S?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Port/port_x32/RISC-V32/port_rv32_HWS.S | 257 ------------------------- 1 file changed, 257 deletions(-) delete mode 100644 Port/port_x32/RISC-V32/port_rv32_HWS.S diff --git a/Port/port_x32/RISC-V32/port_rv32_HWS.S b/Port/port_x32/RISC-V32/port_rv32_HWS.S deleted file mode 100644 index c1d6bc28..00000000 --- a/Port/port_x32/RISC-V32/port_rv32_HWS.S +++ /dev/null @@ -1,257 +0,0 @@ -/**************************************************************************//** - * @item CosyOS-III Port - * @file port_rv32_HWS.S - * @brief RISC-V32 Core Port File for Hardware Stack - * @note x4(tp)、mscratch、0xE000E040 专用于任务切换，不允许用户使用。 - * @author 迟凯峰 - * @version v3.0.3 - * @date 2026.08.05 - ******************************************************************************/ - -#include "syscfg.h" -#include "mcucfg_rv32.h" - -#define fstore fsw -#define store sw -#define load lw -#define fload flw - -//////////////////////////////////////////////////////////////////////////////// - -/* PendSV 软中断 */ - -.global OS_PendSV_Handler -.align 2 -OS_PendSV_Handler: // hardware push Caller - -#if defined ( __TEST_PENDSV ) - la tp, test_pendsv_fault_handler - csrw mscratch, tp -#endif - -/* push Callee */ -#if !defined ( __riscv_32e ) - addi sp, sp,-32 * MCUCFG_REGBYTES -#else - addi sp, sp,-16 * MCUCFG_REGBYTES -#endif - store x8, 8 * MCUCFG_REGBYTES(sp) - store x9, 9 * MCUCFG_REGBYTES(sp) -#if !defined ( __riscv_32e ) - store x18, 18 * MCUCFG_REGBYTES(sp) - store x19, 19 * MCUCFG_REGBYTES(sp) - store x20, 20 * MCUCFG_REGBYTES(sp) - store x21, 21 * MCUCFG_REGBYTES(sp) - store x22, 22 * MCUCFG_REGBYTES(sp) - store x23, 23 * MCUCFG_REGBYTES(sp) - store x24, 24 * MCUCFG_REGBYTES(sp) - store x25, 25 * MCUCFG_REGBYTES(sp) - store x26, 26 * MCUCFG_REGBYTES(sp) - store x27, 27 * MCUCFG_REGBYTES(sp) -#endif - - call sPendSV_Handler - beqz a0, 1f // 直接返回 - -/* push mepc */ - csrr a0, mepc - store a0, 0 * MCUCFG_REGBYTES(sp) - -/* 任务-PC 监控 */ -#if (SYSCFG_TASKPC_MONITOR == 1) - la a1, s_pc - sw a0, (a1) -#endif - -/* 内核上锁 */// 使服务层临界区连续 - li a0, 0xFF - li tp, 0xE000E040 - sw a0, (tp) - fence.i - -/* 返回至 _task_switch_ */ - la a0, _task_switch_ - csrw mepc, a0 - mret // hardware pop Caller - -/* pop Callee */ -1: load x8, 8 * MCUCFG_REGBYTES(sp) - load x9, 9 * MCUCFG_REGBYTES(sp) -#if defined ( __riscv_32e ) - addi sp, sp, 16 * MCUCFG_REGBYTES -#else - load x18, 18 * MCUCFG_REGBYTES(sp) - load x19, 19 * MCUCFG_REGBYTES(sp) - load x20, 20 * MCUCFG_REGBYTES(sp) - load x21, 21 * MCUCFG_REGBYTES(sp) - load x22, 22 * MCUCFG_REGBYTES(sp) - load x23, 23 * MCUCFG_REGBYTES(sp) - load x24, 24 * MCUCFG_REGBYTES(sp) - load x25, 25 * MCUCFG_REGBYTES(sp) - load x26, 26 * MCUCFG_REGBYTES(sp) - load x27, 27 * MCUCFG_REGBYTES(sp) - addi sp, sp, 32 * MCUCFG_REGBYTES -#endif - mret // hardware pop Caller - -//////////////////////////////////////////////////////////////////////////////// - -/* 任务切换 */ - -.local _task_switch_ -.align 2 -_task_switch_: - -/* push Caller */ - store x1, 1 * MCUCFG_REGBYTES(sp) - store x5, 5 * MCUCFG_REGBYTES(sp) - store x6, 6 * MCUCFG_REGBYTES(sp) - store x7, 7 * MCUCFG_REGBYTES(sp) - store x10, 10 * MCUCFG_REGBYTES(sp) - store x11, 11 * MCUCFG_REGBYTES(sp) - store x12, 12 * MCUCFG_REGBYTES(sp) - store x13, 13 * MCUCFG_REGBYTES(sp) - store x14, 14 * MCUCFG_REGBYTES(sp) - store x15, 15 * MCUCFG_REGBYTES(sp) -#if !defined ( __riscv_32e ) - store x16, 16 * MCUCFG_REGBYTES(sp) - store x17, 17 * MCUCFG_REGBYTES(sp) - store x28, 28 * MCUCFG_REGBYTES(sp) - store x29, 29 * MCUCFG_REGBYTES(sp) - store x30, 30 * MCUCFG_REGBYTES(sp) - store x31, 31 * MCUCFG_REGBYTES(sp) -#endif - -/* push FPU */ -#if (MCUCFG_FPU_AUTOSTORE == 1) - addi sp, sp,-32 * MCUCFG_FPUBYTES - fstore f0, 0 * MCUCFG_FPUBYTES(sp) - fstore f1, 1 * MCUCFG_FPUBYTES(sp) - fstore f2, 2 * MCUCFG_FPUBYTES(sp) - fstore f3, 3 * MCUCFG_FPUBYTES(sp) - fstore f4, 4 * MCUCFG_FPUBYTES(sp) - fstore f5, 5 * MCUCFG_FPUBYTES(sp) - fstore f6, 6 * MCUCFG_FPUBYTES(sp) - fstore f7, 7 * MCUCFG_FPUBYTES(sp) - fstore f8, 8 * MCUCFG_FPUBYTES(sp) - fstore f9, 9 * MCUCFG_FPUBYTES(sp) - fstore f10, 10 * MCUCFG_FPUBYTES(sp) - fstore f11, 11 * MCUCFG_FPUBYTES(sp) - fstore f12, 12 * MCUCFG_FPUBYTES(sp) - fstore f13, 13 * MCUCFG_FPUBYTES(sp) - fstore f14, 14 * MCUCFG_FPUBYTES(sp) - fstore f15, 15 * MCUCFG_FPUBYTES(sp) - fstore f16, 16 * MCUCFG_FPUBYTES(sp) - fstore f17, 17 * MCUCFG_FPUBYTES(sp) - fstore f18, 18 * MCUCFG_FPUBYTES(sp) - fstore f19, 19 * MCUCFG_FPUBYTES(sp) - fstore f20, 20 * MCUCFG_FPUBYTES(sp) - fstore f21, 21 * MCUCFG_FPUBYTES(sp) - fstore f22, 22 * MCUCFG_FPUBYTES(sp) - fstore f23, 23 * MCUCFG_FPUBYTES(sp) - fstore f24, 24 * MCUCFG_FPUBYTES(sp) - fstore f25, 25 * MCUCFG_FPUBYTES(sp) - fstore f26, 26 * MCUCFG_FPUBYTES(sp) - fstore f27, 27 * MCUCFG_FPUBYTES(sp) - fstore f28, 28 * MCUCFG_FPUBYTES(sp) - fstore f29, 29 * MCUCFG_FPUBYTES(sp) - fstore f30, 30 * MCUCFG_FPUBYTES(sp) - fstore f31, 31 * MCUCFG_FPUBYTES(sp) -#endif - -/* switch */ - la t0, s_task_current - lw t2, (t0) - sw sp, (t2) - fence rw, rw - la t1, s_task_news - lw t2, (t1) - lw sp, (t2) - sw t2, (t0) - -#if defined ( __TEST_PENDSV ) - li a0, (0x0001UL << (MCUCFG_XXXx_IRQn % 32) ) - li a1, (0xE000E200 + MCUCFG_XXXx_IRQn / 32 * 4) - sw a0, (a1) // 触发 PendSV -#endif - -/* pop FPU */ -#if (MCUCFG_FPU_AUTOSTORE == 1) - fload f0, 0 * MCUCFG_FPUBYTES(sp) - fload f1, 1 * MCUCFG_FPUBYTES(sp) - fload f2, 2 * MCUCFG_FPUBYTES(sp) - fload f3, 3 * MCUCFG_FPUBYTES(sp) - fload f4, 4 * MCUCFG_FPUBYTES(sp) - fload f5, 5 * MCUCFG_FPUBYTES(sp) - fload f6, 6 * MCUCFG_FPUBYTES(sp) - fload f7, 7 * MCUCFG_FPUBYTES(sp) - fload f8, 8 * MCUCFG_FPUBYTES(sp) - fload f9, 9 * MCUCFG_FPUBYTES(sp) - fload f10, 10 * MCUCFG_FPUBYTES(sp) - fload f11, 11 * MCUCFG_FPUBYTES(sp) - fload f12, 12 * MCUCFG_FPUBYTES(sp) - fload f13, 13 * MCUCFG_FPUBYTES(sp) - fload f14, 14 * MCUCFG_FPUBYTES(sp) - fload f15, 15 * MCUCFG_FPUBYTES(sp) - fload f16, 16 * MCUCFG_FPUBYTES(sp) - fload f17, 17 * MCUCFG_FPUBYTES(sp) - fload f18, 18 * MCUCFG_FPUBYTES(sp) - fload f19, 19 * MCUCFG_FPUBYTES(sp) - fload f20, 20 * MCUCFG_FPUBYTES(sp) - fload f21, 21 * MCUCFG_FPUBYTES(sp) - fload f22, 22 * MCUCFG_FPUBYTES(sp) - fload f23, 23 * MCUCFG_FPUBYTES(sp) - fload f24, 24 * MCUCFG_FPUBYTES(sp) - fload f25, 25 * MCUCFG_FPUBYTES(sp) - fload f26, 26 * MCUCFG_FPUBYTES(sp) - fload f27, 27 * MCUCFG_FPUBYTES(sp) - fload f28, 28 * MCUCFG_FPUBYTES(sp) - fload f29, 29 * MCUCFG_FPUBYTES(sp) - fload f30, 30 * MCUCFG_FPUBYTES(sp) - fload f31, 31 * MCUCFG_FPUBYTES(sp) - addi sp, sp, 32 * MCUCFG_FPUBYTES -#endif -/* pop mepc to mscratch */ - load a0, 0 * MCUCFG_REGBYTES(sp) - csrw mscratch, a0 - -/* pop Caller & Callee */ - load x1, 1 * MCUCFG_REGBYTES(sp) - load x5, 5 * MCUCFG_REGBYTES(sp) - load x6, 6 * MCUCFG_REGBYTES(sp) - load x7, 7 * MCUCFG_REGBYTES(sp) - load x8, 8 * MCUCFG_REGBYTES(sp) - load x9, 9 * MCUCFG_REGBYTES(sp) - load x10, 10 * MCUCFG_REGBYTES(sp) - load x11, 11 * MCUCFG_REGBYTES(sp) - load x12, 12 * MCUCFG_REGBYTES(sp) - load x13, 13 * MCUCFG_REGBYTES(sp) - load x14, 14 * MCUCFG_REGBYTES(sp) - load x15, 15 * MCUCFG_REGBYTES(sp) -#if defined ( __riscv_32e ) - addi sp, sp, 16 * MCUCFG_REGBYTES -#else - load x16, 16 * MCUCFG_REGBYTES(sp) - load x17, 17 * MCUCFG_REGBYTES(sp) - load x18, 18 * MCUCFG_REGBYTES(sp) - load x19, 19 * MCUCFG_REGBYTES(sp) - load x20, 20 * MCUCFG_REGBYTES(sp) - load x21, 21 * MCUCFG_REGBYTES(sp) - load x22, 22 * MCUCFG_REGBYTES(sp) - load x23, 23 * MCUCFG_REGBYTES(sp) - load x24, 24 * MCUCFG_REGBYTES(sp) - load x25, 25 * MCUCFG_REGBYTES(sp) - load x26, 26 * MCUCFG_REGBYTES(sp) - load x27, 27 * MCUCFG_REGBYTES(sp) - load x28, 28 * MCUCFG_REGBYTES(sp) - load x29, 29 * MCUCFG_REGBYTES(sp) - load x30, 30 * MCUCFG_REGBYTES(sp) - load x31, 31 * MCUCFG_REGBYTES(sp) - addi sp, sp, 32 * MCUCFG_REGBYTES -#endif - -/* unlock & jump */ - sw zero, (tp) // 内核解锁（退出服务层临界区） - csrr tp, mscratch // break point 1 - jr tp // break point 2 -