[libcpu] remove libcpu/risc-v

1 files changed, 0 insertions, 81 deletions

diff --git a/libcpu/risc-v/e310/stack.c b/libcpu/risc-v/e310/stack.c
deleted file mode 100644
index a86fae70ff..0000000000
--- a/libcpu/risc-v/e310/stack.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * File      : stack.c
- * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006, RT-Thread Development Team
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation; either version 2 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License along
- *  with this program; if not, write to the Free Software Foundation, Inc.,
- *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Change Logs:
- * Date           Author       Notes
- * 2017-07-31     zhangjun      copy from mini2440
- */
-#include <rtthread.h>
-
-/**
- * This function will initialize thread stack
- *
- * @param tentry the entry of thread
- * @param parameter the parameter of entry
- * @param stack_addr the beginning stack address
- * @param texit the function will be called when thread exit
- *
- * @return stack address
- */
-rt_uint8_t *rt_hw_stack_init(void *tentry, void *parameter,
-                             rt_uint8_t *stack_addr, void *texit)
-{
-    rt_uint32_t *stk;
-
-    //stk      = (rt_uint32_t*)stack_addr;
-    stack_addr += sizeof(rt_uint32_t);
-    stack_addr  = (rt_uint8_t *)RT_ALIGN_DOWN((rt_uint32_t)stack_addr, 8);
-    stk  = (rt_uint32_t *)stack_addr;
-
-    *(--stk) = (rt_uint32_t)tentry;         /* entry point */
-    *(--stk) = (rt_uint32_t)texit;          /* ra */
-    *(--stk) = (rt_uint32_t)parameter;      /* a0 */
-    *(--stk) = 0xffffffff;          	    /* a1 */
-    *(--stk) = 0xffffffff;          	    /* a2 */
-    *(--stk) = 0xffffffff;          	    /* a3 */
-    *(--stk) = 0xffffffff;          	    /* a4 */
-    *(--stk) = 0xffffffff;          	    /* a5 */
-    *(--stk) = 0xffffffff;          	    /* a6 */
-    *(--stk) = 0xffffffff;          	    /* a7 */
-    *(--stk) = 0xffffffff;          	    /* s0/fp */
-    *(--stk) = 0xffffffff;          	    /* s1 */
-    *(--stk) = 0xffffffff;          	    /* s2 */
-    *(--stk) = 0xffffffff;          	    /* s3 */
-    *(--stk) = 0xffffffff;          	    /* s4 */
-    *(--stk) = 0xffffffff;          	    /* s5 */
-    *(--stk) = 0xffffffff;          	    /* s6 */
-    *(--stk) = 0xffffffff;          	    /* s7 */
-    *(--stk) = 0xffffffff;          	    /* s8 */
-    *(--stk) = 0xffffffff;          	    /* s9 */
-    *(--stk) = 0xffffffff;          	    /* s10*/
-    *(--stk) = 0xffffffff;          	    /* s11*/
-    *(--stk) = 0xffffffff;          	    /* t0 */
-    *(--stk) = 0xffffffff;          	    /* t1 */
-    *(--stk) = 0xffffffff;          	    /* t2 */
-    *(--stk) = 0xffffffff;          	    /* t3 */
-    *(--stk) = 0xffffffff;          	    /* t4 */
-    *(--stk) = 0xffffffff;          	    /* t5 */
-    *(--stk) = 0xffffffff;          	    /* t6 */
-    *(--stk) = 0xffffffff;          	    /* tp */
-    *(--stk) = 0xffffffff;          	    /* gp */
-    *(--stk) = 0x880;          	            /* mie */
-//    *(--stk) = (rt_uint32_t)parameter;      /* r0 : argument */
-    /* return task's current stack address */
-    return (rt_uint8_t *)stk;
-}