riscv/k230: revise canmv230:pnsh

This revises canm230:pnsh in a few ways:

- adjusting linker scripts structure,
- asserting PMP setting results,
- adjusting configs for both k230d and k230 devices.

Signed-off-by: Yanfeng Liu <yfliu2008@qq.com>

.gitignore

@@ -46,6 +46,7 @@
 /nuttx
 /nuttx-*
 /nuttx.*
+/nuttx_user*
 /staging
 /tags
 /TAGS

arch/risc-v/src/k230/k230_userspace.c

@@ -127,8 +127,11 @@ void k230_userspace(void)
 
 static void configure_mpu(void)
 {
-  riscv_append_pmp_region(UFLASH_F, UFLASH_START, UFLASH_SIZE);
+  int ret;
-  riscv_append_pmp_region(USRAM_F, USRAM_START, USRAM_SIZE);
+  ret = riscv_append_pmp_region(UFLASH_F, UFLASH_START, UFLASH_SIZE);
+  DEBUGASSERT(ret == 0);
+  ret = riscv_append_pmp_region(USRAM_F, USRAM_START, USRAM_SIZE);
+  DEBUGASSERT(ret == 0);
 }
 
 #endif /* CONFIG_BUILD_PROTECTED */

boards/risc-v/k230/canmv230/.gitignore

@@ -0,0 +1,2 @@
+kernel/nuttx_user*
+scripts/*.tmp

boards/risc-v/k230/canmv230/configs/pnsh/defconfig

@@ -48,11 +48,11 @@ CONFIG_NSH_ARCHINIT=y
 CONFIG_NSH_BUILTIN_APPS=y
 CONFIG_NSH_FILEIOSIZE=512
 CONFIG_NSH_READLINE=y
-CONFIG_NUTTX_USERSPACE=0x8040000
+CONFIG_NUTTX_USERSPACE=0x6040000
 CONFIG_PASS1_BUILDIR="boards/risc-v/k230/canmv230/kernel"
 CONFIG_PATH_INITIAL="/system/bin"
-CONFIG_RAM_SIZE=16777216
+CONFIG_RAM_SIZE=3145728
-CONFIG_RAM_START=0x8000000
+CONFIG_RAM_START=0x6000000
 CONFIG_RAW_BINARY=y
 CONFIG_READLINE_CMD_HISTORY=y
 CONFIG_RR_INTERVAL=200

boards/risc-v/k230/canmv230/kernel/Makefile

@@ -30,12 +30,12 @@ ENTRYPT = $(patsubst "%",%,$(CONFIG_INIT_ENTRYPOINT))
 # is appropriate for the host OS
 
 USER_LIBPATHS = $(addprefix -L,$(call CONVERT_PATH,$(addprefix $(TOPDIR)$(DELIM),$(dir $(USERLIBS)))))
-USER_LDSCRIPT = -T $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)ld-userland.script)
+USER_LDSCRIPT = $(call CONVERT_PATH,$(BOARD_DIR)$(DELIM)scripts$(DELIM)ld-userland.script)
 USER_HEXFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.hex)
 USER_SRECFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.srec)
 USER_BINFILE += $(call CONVERT_PATH,$(TOPDIR)$(DELIM)nuttx_user.bin)
 
-USER_LDFLAGS = -melf64lriscv --undefined=$(ENTRYPT) --entry=$(ENTRYPT) $(USER_LDSCRIPT)
+USER_LDFLAGS = -melf64lriscv --undefined=$(ENTRYPT) --entry=$(ENTRYPT) -T $(addsuffix .tmp,$(USER_LDSCRIPT))
 USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
 USER_LIBGCC = "${shell "$(CC)" $(ARCHCPUFLAGS) -print-libgcc-file-name}"
 
@@ -47,19 +47,22 @@ OBJS  = $(COBJS)
 
 # Targets:
 
-all: $(TOPDIR)$(DELIM)nuttx_user.elf $(TOPDIR)$(DELIM)User.map
+all: $(TOPDIR)$(DELIM)nuttx_user $(TOPDIR)$(DELIM)User.map
-.PHONY: nuttx_user.elf depend clean distclean
+.PHONY: nuttx_user depend clean distclean
 
 $(COBJS): %$(OBJEXT): %.c
 	$(call COMPILE, $<, $@)
 
+$(addsuffix .tmp,$(USER_LDSCRIPT)): $(USER_LDSCRIPT)
+	$(call PREPROCESS,$(patsubst %.tmp,%,$@),$@)
+
 # Create the nuttx_user.elf file containing all of the user-mode code
 
-nuttx_user.elf: $(OBJS)
+nuttx_user: $(OBJS) $(addsuffix .tmp,$(USER_LDSCRIPT))
 	$(Q) $(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) $(OBJS) --start-group $(USER_LDLIBS) --end-group $(USER_LIBGCC)
 
-$(TOPDIR)$(DELIM)nuttx_user.elf: nuttx_user.elf
+$(TOPDIR)$(DELIM)nuttx_user: nuttx_user
-	@echo "LD: nuttx_user.elf"
+	@echo "LD: nuttx_user"
 	$(Q) cp -a $^ $(TOPDIR)$(DELIM)$^
 ifeq ($(CONFIG_INTELHEX_BINARY),y)
 	@echo "CP: nuttx_user.hex"
@@ -74,17 +77,17 @@ ifeq ($(CONFIG_RAW_BINARY),y)
 	$(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary $^ $(USER_BINFILE)
 endif
 
-$(TOPDIR)$(DELIM)User.map: nuttx_user.elf
+$(TOPDIR)$(DELIM)User.map: nuttx_user
 	@echo "MK: User.map"
 	$(Q) $(NM) -n $^ >$(TOPDIR)$(DELIM)User.map
-	$(Q) $(CROSSDEV)size $^
 
 .depend:
 
 depend: .depend
 
 clean:
-	$(call DELFILE, nuttx_user.elf)
+	$(call DELFILE, nuttx_user)
+	$(call DELFILE, $(addsuffix .tmp,$(USER_LDSCRIPT)))
 	$(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
 	$(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
 	$(call CLEAN)

boards/risc-v/k230/canmv230/scripts/ld-protected.mem

@@ -0,0 +1,66 @@
+/****************************************************************************
+ * boards/risc-v/k230/canmv230/scripts/ld-protected.mem
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+/* Memory layout for ld-protected.script and ld-userland.script
+ *
+ * |-CONFIG_RAM_START
+ * |        |-CONFIG_NUTTX_USERSPACE
+ * +--------+----------+--------+--------+
+ * | kflash | uflash   | ksram  | usram  |
+ * +--------+----------+--------+--------+
+ * |>-- FLASH_SIZE ---<|>-- SRAM_SIZE --<|
+ *
+ */
+
+#define KFLASH_ADDR   (CONFIG_RAM_START)
+#define UFLASH_ADDR   (CONFIG_NUTTX_USERSPACE)
+#define KFLASH_SIZE   (UFLASH_ADDR - KFLASH_ADDR)
+#define UFLASH_SIZE   (KFLASH_SIZE)
+
+#define FLASH_SIZE    (0x100000)   /* needs be POT */
+#define SRAM_SIZE     (0x200000)   /* needs be POT */
+
+#if KFLASH_SIZE < 0
+#error "Invalid KFLASH_SIZE!"
+#endif
+
+#if KFLASH_SIZE + UFLASH_SIZE > FLASH_SIZE
+#error "Adjust FLASH_SIZE please!"
+#endif
+
+#if CONFIG_RAM_SIZE < FLASH_SIZE + SRAM_SIZE
+#error "CONFIG_RAM_SIZE too small?"
+#endif
+
+#define KSRAM_SIZE    (SRAM_SIZE / 2)
+#define USRAM_SIZE    (SRAM_SIZE - KSRAM_SIZE)
+
+#define KSRAM_ADDR    (KFLASH_ADDR + FLASH_SIZE)
+#define USRAM_ADDR    (KSRAM_ADDR + KSRAM_SIZE)
+
+MEMORY
+{
+  kflash (rx)  : ORIGIN = KFLASH_ADDR, LENGTH = KFLASH_SIZE
+  uflash (rx)  : ORIGIN = UFLASH_ADDR, LENGTH = UFLASH_SIZE
+  ksram (rwx)  : ORIGIN = KSRAM_ADDR, LENGTH = KSRAM_SIZE
+  usram (rwx)  : ORIGIN = USRAM_ADDR, LENGTH = USRAM_SIZE
+}

boards/risc-v/k230/canmv230/scripts/ld-protected.script

@@ -18,17 +18,7 @@
  *
  ****************************************************************************/
 
-/* NOTE:  This shares memory layout with ld-userland.script */
+#include "ld-protected.mem"
-
-MEMORY
-{
-  kflash (rx)  : ORIGIN = 0x8000000, LENGTH = 256K /* w/ cache */
-  uflash (rx)  : ORIGIN = 0x8040000, LENGTH = 256K /* w/ cache */
-
-  ksram (rwx)  : ORIGIN = 0x8200000, LENGTH = 1024K /* w/ cache */
-  usram (rwx)  : ORIGIN = 0x8300000, LENGTH = 1024K /* w/ cache */
-}
-
 
 OUTPUT_ARCH("riscv")
 

boards/risc-v/k230/canmv230/scripts/ld-userland.script

@@ -18,16 +18,7 @@
  *
  ****************************************************************************/
 
-/* NOTE: This shares memory layout with ld-protected.script */
+#include "ld-protected.mem"
-
-MEMORY
-{
-  kflash (rx)  : ORIGIN = 0x8000000, LENGTH = 256K /* w/ cache */
-  uflash (rx)  : ORIGIN = 0x8040000, LENGTH = 256K /* w/ cache */
-
-  ksram (rwx)  : ORIGIN = 0x8200000, LENGTH = 1024K /* w/ cache */
-  usram (rwx)  : ORIGIN = 0x8300000, LENGTH = 1024K /* w/ cache */
-}
 
 OUTPUT_ARCH("riscv")