From c529ffb045503399c8ad7389af524c8a6b055302 Mon Sep 17 00:00:00 2001 From: patacongo Date: Thu, 6 Nov 2008 17:37:16 +0000 Subject: Basic SH-1 build environment git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@1139 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/arch/sh/src/Makefile | 122 ++++++++++++ nuttx/arch/sh/src/common/up_arch.h | 70 +++++++ nuttx/arch/sh/src/common/up_internal.h | 210 ++++++++++++++++++++ nuttx/arch/sh/src/sh1/Make.defs | 51 +++++ nuttx/arch/sh/src/sh1/chip.h | 62 ++++++ nuttx/arch/sh/src/sh1/sh1_head.S | 339 +++++++++++++++++++++++++++++++++ nuttx/arch/sh/src/sh1/sh1_irq.c | 143 ++++++++++++++ nuttx/arch/sh/src/sh1/sh1_lowputc.c | 160 ++++++++++++++++ 8 files changed, 1157 insertions(+) create mode 100644 nuttx/arch/sh/src/Makefile create mode 100644 nuttx/arch/sh/src/common/up_arch.h create mode 100644 nuttx/arch/sh/src/common/up_internal.h create mode 100644 nuttx/arch/sh/src/sh1/Make.defs create mode 100644 nuttx/arch/sh/src/sh1/chip.h create mode 100644 nuttx/arch/sh/src/sh1/sh1_head.S create mode 100644 nuttx/arch/sh/src/sh1/sh1_irq.c create mode 100644 nuttx/arch/sh/src/sh1/sh1_lowputc.c (limited to 'nuttx/arch/sh/src') diff --git a/nuttx/arch/sh/src/Makefile b/nuttx/arch/sh/src/Makefile new file mode 100644 index 000000000..d0aca52fe --- /dev/null +++ b/nuttx/arch/sh/src/Makefile @@ -0,0 +1,122 @@ +############################################################################ +# arch/sh/src/Makefile +# +# Copyright (C) 2008 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################ + +-include $(TOPDIR)/Make.defs +-include chip/Make.defs + +ARCH_SRCDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src +CFLAGS += -I$(ARCH_SRCDIR)/chip -I$(ARCH_SRCDIR)/common -I$(TOPDIR)/sched + +HEAD_AOBJ = $(HEAD_ASRC:.S=$(OBJEXT)) + +ASRCS = $(CHIP_ASRCS) $(CMN_ASRCS) +AOBJS = $(ASRCS:.S=$(OBJEXT)) + +CSRCS = $(CHIP_CSRCS) $(CMN_CSRCS) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +LDFLAGS = $(ARCHSCRIPT) +EXTRA_LIBS = + +LINKLIBS = +LDPATHES = $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS))) +LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS)))) + +BOARDDIR = $(TOPDIR)/arch/$(CONFIG_ARCH)/src/board + +LIBGCC = ${shell $(CC) -print-libgcc-file-name} + +VPATH = chip:common + +all: $(HEAD_OBJ) libarch$(LIBEXT) + +$(AOBJS) $(HEAD_AOBJ): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +libarch$(LIBEXT): $(OBJS) + @( for obj in $(OBJS) ; do \ + $(call ARCHIVE, $@, $${obj}); \ + done ; ) + +board/libboard$(LIBEXT): + $(MAKE) -C board TOPDIR="$(TOPDIR)" libboard$(LIBEXT) + +nuttx: $(HEAD_AOBJ) board/libboard$(LIBEXT) + @echo "LD: nuttx" + @$(LD) --entry=__start $(LDFLAGS) $(LDPATHES) -L$(BOARDDIR) -o $(TOPDIR)/$@ $(HEAD_AOBJ) \ + --start-group $(LDLIBS) -lboard --end-group $(EXTRA_LIBS) $(LIBGCC) +ifeq ($(CONFIG_BOOT_FROM_FLASH),y) + @export flashloc=`$(OBJDUMP) --all-headers $(TOPDIR)/$@ | grep _eronly | cut -d' ' -f1`; \ + $(OBJCOPY) --adjust-section-vma=.data=0x$$flashloc $(TOPDIR)/$@ $(TOPDIR)/$@.flashimage + @mv $(TOPDIR)/$@.flashimage $(TOPDIR)/$@ +endif + @$(NM) $(TOPDIR)/$@ | \ + grep -v '\(compiled\)\|\(\$(OBJEXT)$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \ + sort > $(TOPDIR)/System.map + @export vflashstart=`$(OBJDUMP) --all-headers $(TOPDIR)/$@ | grep _vflashstart | cut -d' ' -f1`; \ + if [ ! -z "$$vflashstart" ]; then \ + $(OBJCOPY) --adjust-section-vma=.vector=0x$$vflashstart $(TOPDIR)/$@ $(TOPDIR)/$@.flashimage; \ + mv $(TOPDIR)/$@.flashimage $(TOPDIR)/$@; \ + fi + +.depend: Makefile chip/Make.defs $(SRCS) + @if [ -e board/Makefile ]; then \ + $(MAKE) -C board TOPDIR="$(TOPDIR)" depend ; \ + fi + @$(MKDEP) --dep-path chip --dep-path common $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + @if [ -e board/Makefile ]; then \ + $(MAKE) -C board TOPDIR="$(TOPDIR)" clean ; \ + fi + @rm -f libarch$(LIBEXT) *~ .*.swp + $(call CLEAN) + +distclean: clean + @if [ -e board/Makefile ]; then \ + $(MAKE) -C board TOPDIR="$(TOPDIR)" distclean ; \ + fi + @rm -f Make.dep .depend + +-include Make.dep diff --git a/nuttx/arch/sh/src/common/up_arch.h b/nuttx/arch/sh/src/common/up_arch.h new file mode 100644 index 000000000..ae94c03f8 --- /dev/null +++ b/nuttx/arch/sh/src/common/up_arch.h @@ -0,0 +1,70 @@ +/**************************************************************************** + * arch/sh/src/common/up_arch.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + ****************************************************************************/ + +#ifndef ___ARCH_SH_SRC_COMMON_UP_ARCH_H +#define ___ARCH_SH_SRC_COMMON_UP_ARCH_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#ifndef __ASSEMBLY__ +# include +#endif + +#include +#include "chip.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Inline Functions + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +# define getreg8(a) (*(volatile ubyte *)(a)) +# define putreg8(v,a) (*(volatile ubyte *)(a) = (v)) +# define getreg16(a) (*(volatile uint16 *)(a)) +# define putreg16(v,a) (*(volatile uint16 *)(a) = (v)) +# define getreg32(a) (*(volatile uint32 *)(a)) +# define putreg32(v,a) (*(volatile uint32 *)(a) = (v)) + +#endif + +#endif /* ___ARCH_SH_SRC_COMMON_UP_ARCH_H */ diff --git a/nuttx/arch/sh/src/common/up_internal.h b/nuttx/arch/sh/src/common/up_internal.h new file mode 100644 index 000000000..7c071c2d5 --- /dev/null +++ b/nuttx/arch/sh/src/common/up_internal.h @@ -0,0 +1,210 @@ +/**************************************************************************** + * arch/sh/src/common/up_internal.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + ****************************************************************************/ + +#ifndef ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H +#define ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/* Bring-up debug configurations. These are here (vs defconfig) + * because these should only be controlled during low level + * board bring-up and not part of normal platform configuration. + */ + +#undef CONFIG_SUPPRESS_INTERRUPTS /* DEFINED: Do not enable interrupts */ +#undef CONFIG_SUPPRESS_TIMER_INTS /* DEFINED: No timer */ +#undef CONFIG_SUPPRESS_SERIAL_INTS /* DEFINED: Console will poll */ +#undef CONFIG_SUPPRESS_UART_CONFIG /* DEFINED: Do not reconfig UART */ +#undef CONFIG_DUMP_ON_EXIT /* DEFINED: Dump task state on exit */ + +/* Determine which (if any) console driver to use */ + +#if CONFIG_NFILE_DESCRIPTORS == 0 || defined(CONFIG_DEV_LOWCONSOLE) +# undef CONFIG_USE_SERIALDRIVER +# undef CONFIG_USE_EARLYSERIALINIT +#elif defined(CONFIG_DEV_CONSOLE) && CONFIG_NFILE_DESCRIPTORS > 0 +# define CONFIG_USE_SERIALDRIVER 1 +# define CONFIG_USE_EARLYSERIALINIT 1 +#endif + +/* Check if an interrupt stack size is configured */ + +#ifndef CONFIG_ARCH_INTERRUPTSTACK +# define CONFIG_ARCH_INTERRUPTSTACK 0 +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +#ifndef __ASSEMBLY__ +typedef void (*up_vector_t)(void); +#endif + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +#ifndef __ASSEMBLY__ +/* This holds a references to the current interrupt level + * register storage structure. If is non-NULL only during + * interrupt processing. + */ + +extern uint32 *current_regs; + +/* This is the beginning of heap as provided from up_head.S. + * This is the first address in DRAM after the loaded + * program+bss+idle stack. The end of the heap is + * CONFIG_DRAM_END + */ + +extern uint32 g_heapbase; + +/* Address of the saved user stack pointer */ + +#if CONFIG_ARCH_INTERRUPTSTACK > 3 +extern uint32 g_userstack; +#endif +#endif + +/**************************************************************************** + * Inline Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#ifndef __ASSEMBLY__ + +/* Defined in files with the same name as the function */ + +extern void up_boot(void); +extern void up_copystate(uint32 *dest, uint32 *src); +extern void up_dataabort(uint32 *regs); +extern void up_decodeirq(uint32 *regs); +extern void up_doirq(int irq, uint32 *regs); +extern void up_fullcontextrestore(uint32 *regs) __attribute__ ((noreturn)); +extern void up_irqinitialize(void); +extern void up_prefetchabort(uint32 *regs); +extern int up_saveusercontext(uint32 *regs); +extern void up_sigdeliver(void); +extern void up_syscall(uint32 *regs); +extern int up_timerisr(int irq, uint32 *regs); +extern void up_undefinedinsn(uint32 *regs); +extern void up_lowputc(char ch); +extern void up_puts(const char *str); +extern void up_lowputs(const char *str); + +/* Defined in up_vectors.S */ + +extern void up_vectorundefinsn(void); +extern void up_vectorswi(void); +extern void up_vectorprefetch(void); +extern void up_vectordata(void); +extern void up_vectoraddrexcptn(void); +extern void up_vectorirq(void); +extern void up_vectorfiq(void); + +/* Defined in up_serial.c */ + +#if CONFIG_NFILE_DESCRIPTORS > 0 +extern void up_earlyserialinit(void); +extern void up_serialinit(void); +#else +# define up_earlyserialinit() +# define up_serialinit() +#endif + +/* Defined in drivers/lowconsole.c */ + +#ifdef CONFIG_DEV_LOWCONSOLE +extern void lowconsole_init(void); +#else +# define lowconsole_init() +#endif + +/* Defined in up_watchdog.c */ + +extern void up_wdtinit(void); + +/* Defined in up_timerisr.c */ + +extern void up_timerinit(void); + +/* Defined in up_irq.c */ + +extern void up_maskack_irq(int irq); + +/* Defined in board/up_leds.c */ + +#ifdef CONFIG_ARCH_LEDS +extern void up_ledinit(void); +extern void up_ledon(int led); +extern void up_ledoff(int led); +#else +# define up_ledinit() +# define up_ledon(led) +# define up_ledoff(led) +#endif + +/* Defined in board/up_network.c */ + +#ifdef CONFIG_NET +extern void up_netinitialize(void); +#else +# define up_netinitialize() +#endif + +/* USB */ + +#ifdef CONFIG_USBDEV +extern void up_usbinitialize(void); +extern void up_usbuninitialize(void); +#else +# define up_usbinitialize() +# define up_usbuninitialize() +#endif + +#endif /* __ASSEMBLY__ */ + +#endif /* ___ARCH_SH_SRC_COMMON_UP_INTERNAL_H */ diff --git a/nuttx/arch/sh/src/sh1/Make.defs b/nuttx/arch/sh/src/sh1/Make.defs new file mode 100644 index 000000000..2f7a7b3e9 --- /dev/null +++ b/nuttx/arch/sh/src/sh1/Make.defs @@ -0,0 +1,51 @@ +############################################################################## +# arch/sh/src/sh1/Make.defs +# +# Copyright (C) 2008 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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. +# +############################################################################## + +HEAD_ASRC = sh1_head.S + +CMN_ASRCS = +CMN_CSRCS = + +ifneq ($(CONFIG_DISABLE_SIGNALS),y) +CMN_CSRCS += +endif + +CHIP_ASRCS = +CHIP_CSRCS = sh1_lowputc.c sh1_irq.c + +ifeq ($(CONFIG_USBDEV),y) +CHIP_CSRCS += +endif + diff --git a/nuttx/arch/sh/src/sh1/chip.h b/nuttx/arch/sh/src/sh1/chip.h new file mode 100644 index 000000000..7936eb1ff --- /dev/null +++ b/nuttx/arch/sh/src/sh1/chip.h @@ -0,0 +1,62 @@ +/************************************************************************************ + * arch/sh/src/sh1/chip.h + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + ************************************************************************************/ + +#ifndef __ARCH_SH_SRC_SH1_CHIP_H +#define __ARCH_SH_SRC_SH1_CHIP_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include +#include + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +#endif /* __ARCH_SH_SRC_SH1_CHIP_H */ diff --git a/nuttx/arch/sh/src/sh1/sh1_head.S b/nuttx/arch/sh/src/sh1/sh1_head.S new file mode 100644 index 000000000..f93ca8e6d --- /dev/null +++ b/nuttx/arch/sh/src/sh1/sh1_head.S @@ -0,0 +1,339 @@ +/***************************************************************************** + * arch/sh/src/sh1/sh1_head.S + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + *****************************************************************************/ + +/***************************************************************************** + * Included Files + *****************************************************************************/ + +#include /* NuttX configuration settings */ +#include /* Board-specific settings */ +#include /* IRQ definitons */ + +#include "chip.h" /* Chip-specific settings */ +#include "up_internal.h" +#include "up_arch.h" + +/***************************************************************************** + * Definitions + *****************************************************************************/ + +/* This file holds the NuttX start logic that runs when the SH-1/US7032EVB1 + * is reset. This logic must be located in SRAM at 0x0a00:2000. On that + * platform, the entire PROM and the first 8Kb of SRAM are reserved for CMON. + */ + +/***************************************************************************** + * External references + *****************************************************************************/ + +/* Called functions */ + + .globl _up_lowsetup /* Early initialization of UART */ +#ifdef CONFIG_USE_EARLYSERIALINIT + .globl _up_earlyserialinit /* Early initialization of serial driver */ +#endif +#ifdef CONFIG_ARCH_LEDS + .globl _up_ledinit /* Boot LED setup */ +#endif +#ifdef CONFIG_DEBUG + .globl _up_lowputc /* Low-level debug output */ +#endif + .globl _os_start /* NuttX entry point */ + +/* Variables set up by the linker script */ + + .globl _sbss /* Start of BSS */ + .globl _ebss /* End of BSS */ + +#ifdef CONFIG_BOOT_FROM_FLASH + .globl _eronly /* Where .data defaults are stored in FLASH */ + .global _sdata /* Start of .data in RAM */ + .globl _edata /* End of .data in RAM */ +#endif + +/***************************************************************************** + * Macros + *****************************************************************************/ + +/***************************************************************************** + * Name: showprogress + * + * Description: + * Print a character on the UART to show boot status. This macro will + * modify r0, r1, r2 and r14 + * + *****************************************************************************/ + + .macro showprogress, code +#ifdef CONFIG_DEBUG + mov r0, #\code + bl up_lowputc + mov.l .Llowputc, r0 /* Address of up_earlyserialinit */ + jsr @r0 /* Call it */ + or r0, r0 /* Delay slot */ +#endif + .endm + +/***************************************************************************** + * Vectors + *****************************************************************************/ + + .section .vect + +/***************************************************************************** + * Name: __vector_table + * + * Description: + * Interrupt vector table. The actual vectors are managed by CMON. For + * any non-zero settings in the following table, CMON will redirect interrupt + * handling to that function. + * + *****************************************************************************/ + + .globl __vector_table + .type __vector_table, %object +__vector_table: + /* Resets */ + + .long __start /* 0-1: Power-on reset (hard, NMI high) PC & SP */ + .long _ebss+CONFIG_PROC_STACK_SIZE-4 + .long __start /* 2-3: Manual reset (soft, NMI low) PC & SP */ + .long _ebss+CONFIG_PROC_STACK_SIZE-4 + + .rept 252 + .long 0 + .endr + + .size __vector_table, . - __vector_table + +/***************************************************************************** + * Text + *****************************************************************************/ + + .section .text + +/***************************************************************************** + * Name: __start + * + * Description: + * Reset entry point. This is the first function to execute when the + * processor is reset. It initializes hardware and then gives control to + * NuttX. Nearly all SH-1 resources have already been setup by CMON so all + * that is necessary for us to do here is setup the stack pointer and BSS. + * + *****************************************************************************/ + + .global __start + .type __start, #function + +__start: + /* Initialize stack pointer to the preallocated stack */ + mov.l .Lstack, r15 + + /* set up the bus controller for the EVB */ + + mov.l .Lwcr1, r0 + sub r1,r1 + mov.w r1, @r0 + + /* Configure the BSR to use /LBS, /HBS, /WR */ + + mov.l .Lbcr, r0 + mov.w .Lbas, r1 + bra __start0 + mov.w r1, @r0 + + .align 2 +.Lstack: + .long _ebss+CONFIG_PROC_STACK_SIZE-4 +.Lwcr1: + .long 0x5ffffa2 +.Lbcr: + .long 0x5ffffa0 +.Lbas: + .word 0x0800 + +__start0: + /* Copy the monitor vectors to a002000-a00211f */ + + mov #0, r0 /* R0: Monitor vector table at address 0 in PROM */ + mov.l .Lramvectab, r1 /* R1: Redirected vector table in SRAM */ + mov.l .Lvectend, r3 /* R3: Copy only up to external interrupts */ +1: + mov.l @r0, r2 /* R2: Value from mnitor monitor vector table */ + mov.l r2, @r1 /* Write into SRAM vector table */ + add #4, r0 /* R0: Address of next vector to read from monitor vector table */ + add #4, r1 /* R1: Address of next vector to write to SRAM vector table */ + cmp/gt r0, r3 /* Copy only only up to external interrupts at */ + bt 1b /* Continue looping until all copied */ + + /* Update the VBR to show new adddress of vector table */ + + mov.l .Lramvectab, r0 /* R0: Address of SRAM vector table */ + ldc r0, vbr /* Set VBR to start of SRAM vector table */ + + /* Initialize data segement */ + +#ifdef CONFIG_BOOT_FROM_FLASH + mov.l .Lsdata, r0 /* R0: Start of .data segment */ + mov.l .Ledata, r1 /* R1: End+1 of .data segment */ + mov.l .Leronly, r2 /* R2: Start of FLASH .data segment copy */ +2: + mov.l @r2, r3 /* R3: Next byte from FLASH copy */ + mov.l r3, @r0 /* Copy to .data */ + add #4, r2 /* R2: Address of next byte to read from FLASH */ + add #4, r0 /* R0: Address to write next byte to .data */ + cmp/gt r0, r1 /* End of .data? */ + bt 2b /* Loop until end of data */ +#endif + + /* Clear BSS */ + + mov.l .Lsbss, r0 /* R0: Start of BSS segment */ + mov.l .Lebss, r1 /* R1: End+1 of BSS segment */ + mov #0, r2 /* R2: Value = 0 */ +3: + mov.l r2, @r0 /* Clear the next word in BSS */ + add #4, r0 /* R0: Address of next byte to clear in BSS */ + cmp/ge r0, r1 /* End of BSS? */ + bt 3b /* Loop until the end of BSS */ + + /* Configure the uart so that we can get debug output as soon + * as possible. + */ + + mov.l .Llowsetup, r0 /* Address of up_lowsetup */ + jsr @r0 /* Call it */ + or r0, r0 /* Delay slot */ + + showprogress 'A' + + /* Perform early serial initialization */ + +#ifdef CONFIG_USE_EARLYSERIALINIT + mov.l .Learlyser, r0 /* Address of up_earlyserialinit */ + jsr @r0 /* Call it */ + or r0, r0 /* Delay slot */ +#endif + + showprogress 'B' + + /* Call C++ constructors */ + +#ifdef CONFIG_CPLUSPLUS +# warning "No C++ support yet" + showprogress 'C' +#endif + showprogress '\n' + + /* Initialize onboard LEDs */ + +#ifdef CONFIG_ARCH_LEDS + mov.l .Lledinit, r0 /* Address of up_ledinit */ + jsr @r0 /* Call it */ + or r0, r0 /* Delay slot */ +#endif + + /* Then jump to NuttX entry */ + + mov.l .Losstart,r0 + jsr @r0 + or r0, r0 + + /* Shouldn't get here */ + + /* Call destructors -- never get here */ + +#ifdef CONFIG_CPLUSPLUS +# warning "No C++ support yet" +#endif + +4: nop + bra 4b + nop + + .align 2 +#ifdef CONFIG_BOOT_FROM_FLASH +.Leronly: + .long _eronly +.Lsdata: + .long _sdata +.Ledata: + .long _edata +#endif +.Lsbss: + .long _sbss +.Lebss: + .long _ebss +#ifdef CONFIG_USE_EARLYSERIALINIT +.Learlyser: + .long _up_earlyserialinit +#endif +.Llowsetup: + .long _up_lowsetup +#ifdef CONFIG_DEBUG +.Llowputc: + .long _up_lowputc +#endif +.Lledinit: + .long _up_ledinit +.Losstart: + .long _os_start +.Lramvectab: + .long 0xa002000 +.Lvectend: + .long (SH1_IRQ7_VECOFFSET+3) + +/***************************************************************************** + * DATA + *****************************************************************************/ + + .section .data + + /* This global variable is unsigned long g_heapbase and is + * exported from here only because of its coupling to the stack + * above. + */ + + .data + .align 4 + .globl g_heapbase + .type g_heapbase, object +g_heapbase: + .long _ebss+CONFIG_PROC_STACK_SIZE + .size g_heapbase, .-g_heapbase + + .end + diff --git a/nuttx/arch/sh/src/sh1/sh1_irq.c b/nuttx/arch/sh/src/sh1/sh1_irq.c new file mode 100644 index 000000000..47eed797b --- /dev/null +++ b/nuttx/arch/sh/src/sh1/sh1_irq.c @@ -0,0 +1,143 @@ +/**************************************************************************** + * arch/sh/src/sh1/sh1_irq.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include +#include +#include + +#include "up_arch.h" +#include "up_internal.h" +#include "chip.h" + +/**************************************************************************** + * Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +uint32 *current_regs; + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Funtions + ****************************************************************************/ + +/**************************************************************************** + * Name: up_irqinitialize + ****************************************************************************/ + +void up_irqinitialize(void) +{ +#warning "To be provided" + + /* Currents_regs is non-NULL only while processing an interrupt */ + + current_regs = NULL; + + /* Enable interrupts */ + +#ifndef CONFIG_SUPPRESS_INTERRUPTS +# warning "enable value needed" + irqrestore(0); +#endif +} + +/**************************************************************************** + * Name: up_disable_irq + * + * Description: + * Disable the IRQ specified by 'irq' + * + ****************************************************************************/ + +void up_disable_irq(int irq) +{ +#warning "To be provided" +} + +/**************************************************************************** + * Name: up_enable_irq + * + * Description: + * Enable the IRQ specified by 'irq' + * + ****************************************************************************/ + +void up_enable_irq(int irq) +{ +#warning "To be provided" +} + +/**************************************************************************** + * Name: up_maskack_irq + * + * Description: + * Mask the IRQ and acknowledge it + * + ****************************************************************************/ + +void up_maskack_irq(int irq) +{ +#warning "To be provided" +} + +/**************************************************************************** + * Name: up_irqpriority + * + * Description: + * set interrupt priority + * + ****************************************************************************/ + +#warning "Should this be supported?" +int up_irqpriority(int irq, ubyte priority) +{ +#warning "To be provided" +} + diff --git a/nuttx/arch/sh/src/sh1/sh1_lowputc.c b/nuttx/arch/sh/src/sh1/sh1_lowputc.c new file mode 100644 index 000000000..0fd046984 --- /dev/null +++ b/nuttx/arch/sh/src/sh1/sh1_lowputc.c @@ -0,0 +1,160 @@ +/************************************************************************** + * arch/sh/src/sh1/sh1_lowputc.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + **************************************************************************/ + +/************************************************************************** + * Included Files + **************************************************************************/ + +#include +#include + +#include "up_internal.h" +#include "up_arch.h" + +#include "chip.h" + +/************************************************************************** + * Private Definitions + **************************************************************************/ + +/* Configuration **********************************************************/ + +/* Is there a serial console? */ + +#if defined(CONFIG_UART0_SERIAL_CONSOLE) || defined(CONFIG_UART1_SERIAL_CONSOLE) +# define HAVE_CONSOLE +#else +# undef HAVE_CONSOLE +#endif + +/* Select UART parameters for the selected console */ + +#if defined(CONFIG_UART0_SERIAL_CONSOLE) +# define SH1_UART_BASE +# define SH1_UART_BAUD CONFIG_UART0_BAUD +# define SH1_UART_BITS CONFIG_UART0_BITS +# define SH1_UART_PARITY CONFIG_UART0_PARITY +# define SH1_UART_2STOP CONFIG_UART0_2STOP +#elif defined(CONFIG_UART1_SERIAL_CONSOLE) +# define SH1_UART_BASE +# define SH1_UART_BAUD CONFIG_UART1_BAUD +# define SH1_UART_BITS CONFIG_UART1_BITS +# define SH1_UART_PARITY CONFIG_UART1_PARITY +# define SH1_UART_2STOP CONFIG_UART1_2STOP +#else +# error "No CONFIG_UARTn_SERIAL_CONSOLE Setting" +#endif + +/* Get mode setting */ + +#if SH1_UART_BITS == 7 +# define SH1_UARTCR_MODE +#elif SH1_UART_BITS == 8 +# define SH1_UARTCR_MODE SH1_UARTCR_MODE8BITP +#else +# error "Number of bits not supported" +#endif + +#if SH1_UART_PARITY == 0 || SH1_UART_PARITY == 2 +# define SH1_UARTCR_PARITY +#elif SH1_UART_PARITY == 1 +# define SH1_UARTCR_PARITY SH1_UARTCR_PARITYODD +#else +# error "Invalid parity selection" +#endif + +#if SH1_UART_2STOP != 0 +# define SH1_UARTCR_STOP +#else +# define SH1_UARTCR_STOP +#endif + +/************************************************************************** + * Private Types + **************************************************************************/ + +/************************************************************************** + * Private Function Prototypes + **************************************************************************/ + +/************************************************************************** + * Global Variables + **************************************************************************/ + +/************************************************************************** + * Private Variables + **************************************************************************/ + +/************************************************************************** + * Private Functions + **************************************************************************/ + +/************************************************************************** + * Public Functions + **************************************************************************/ + +/************************************************************************** + * Name: up_lowputc + * + * Description: + * Output one byte on the serial console + * + **************************************************************************/ + +void up_lowputc(char ch) +{ +#ifdef HAVE_CONSOLE +# warning "To be provided" +#endif +} + +/************************************************************************** + * Name: up_lowsetup + * + * Description: + * This performs basic initialization of the UART used for the serial + * console. Its purpose is to get the console output availabe as soon + * as possible. + * + **************************************************************************/ + +void up_lowsetup(void) +{ +#ifdef HAVE_CONSOLE +# warning "To be provided" +#endif +} + + -- cgit v1.2.3