add gap8 board of riscv for xiuos

2021-08-30 14:05:12 +08:00
parent fde280b6a0
commit 198d61918b
42 changed files with 6303 additions and 1 deletions
@@ -0,0 +1,175 @@
+/****************************************************************************
+ * boards/risc-v/gap8/gapuino/scripts/ld.script
+ *
+ *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
+ *   Author: hhuysqt <1020988872@qq.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/* Not needed, but we need separate linker scripts anyway */
+
+OUTPUT_ARCH( riscv )
+SEARCH_DIR(.)
+__DYNAMIC  =  0;
+
+MEMORY
+{
+  L2 (wxa!ri)       : ORIGIN = 0x1C000000, LENGTH = 0x80000
+  FC_tcdm           : ORIGIN = 0x1B000004, LENGTH = 0x3ffc
+  FC_tcdm_aliased   : ORIGIN = 0x00000004, LENGTH = 0x3ffc
+}
+
+__L1_STACK_SIZE      = 0x400;
+__FC_STACK_SIZE      = 4096;
+
+/* We have to align each sector to word boundaries as our current s19->slm
+ * conversion scripts are not able to handle non-word aligned sections.
+ */
+ENTRY( reset_handler )
+SECTIONS
+{
+    .vectors_M :
+    {
+        . = ALIGN(4);
+        IRQ_U_Vector_Base = .;
+        KEEP(*(.vectors_M))
+    } > L2
+
+    .dbg_struct :
+    {
+        . = ALIGN(4);
+        IRQ_M_Vector_Base = .;
+        KEEP(*(.dbg_struct))
+    } > L2
+
+    . = ALIGN(4);
+
+    .text : {
+        PROVIDE( _text = ABSOLUTE(.) );
+        /* _stext = .; */
+        *(.text .text.*)
+        /* *(.rodata .rodata*) */
+        /* _etext  =  .;  */
+
+        /* section information for  shell */
+        . = ALIGN(4);
+        _shell_command_start = .;
+        KEEP (*(shellCommand))
+        _shell_command_end = .;
+        . = ALIGN(4);
+
+        PROVIDE(__ctors_start__ = .);
+        KEEP (*(SORT(.init_array.*)))
+        KEEP (*(.init_array))
+        PROVIDE(__ctors_end__ = .);
+
+        . = ALIGN(4);
+        __isrtbl_idx_start = .;
+        KEEP(*(.isrtbl.idx))
+        __isrtbl_start = .;
+        KEEP(*(.isrtbl))
+        __isrtbl_end = .;
+        . = ALIGN(4);
+
+        PROVIDE(g_service_table_start = ABSOLUTE(.));
+        KEEP(*(.g_service_table))
+        PROVIDE(g_service_table_end = ABSOLUTE(.));
+        
+        /* _endtext = .; */
+        PROVIDE( _etext = ABSOLUTE(.) );
+    }  > L2
+
+    .rodata : {
+        /* Due to limitations on FPGA loader, loadable sections must have
+         * base and size aligned on 4 bytes
+         */
+
+        . = ALIGN(4);
+        *(.rodata);
+        *(.rodata.*)
+        . = ALIGN(4);
+    } > L2
+    . = ALIGN(4);
+    .data : {
+
+        __data_start__ = .;      /* create a global symbol at data start */
+        *(.data .data.*)
+        
+        . = ALIGN(4);
+        PROVIDE( __global_pointer$ = ABSOLUTE(.) + 0x800 );
+        *(.sdata .sdata.*)
+
+        __data_end__ = .;        /* define a global symbol at data end */
+    } > L2
+
+    . = ALIGN(4);
+
+    .bss :
+    {
+        /* . = ALIGN(4);
+        _sbss = .;
+        __bss_start__ = .;
+        _fbss = .;
+        *(.bss)
+        *(.bss.*)
+        *(.sbss)
+        *(.sbss.*)
+        *(COMMON)
+        . = ALIGN(4);
+        __bss_end__ = .;
+        _ebss = .; */
+        __bss_start = ABSOLUTE(.);
+        _fbss = .;
+
+        /* Writable uninitialized small data segment (.sbss segment)*/
+        *(.sbss .sbss.*)
+        *(.scommon)
+
+        /* Uninitialized writeable data section (.bss segment)*/
+        *(.bss .bss.*)
+        *(COMMON)
+
+        . = ALIGN(4);
+        __bss_end = ABSOLUTE(.);
+	
+    } > L2
+
+     .stack :
+    {
+        . = ALIGN(4);
+        PROVIDE(_idle_stack_start = ABSOLUTE(.));
+
+        . = . + __FC_STACK_SIZE;
+
+        PROVIDE( _idle_stack_end = ABSOLUTE(.) );
+    } > L2
+    _end = ABSOLUTE(.);
+ 
+}