mirror of
https://github.com/apache/nuttx.git
synced 2026-06-06 08:36:24 +08:00
Add a hello world configuration to help with the SAMA5 bringup
This commit is contained in:
Gregory Nutt
@@ -5205,4 +5205,7 @@
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me for a long time since most boards don't have DRAM. The more
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generic RAM naming should not produce so much cognitive dissonance
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(2013-7-26).
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* configs/sama5d3x-ek/hello: Added a tiny hello world configuration
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to simplify bring up of the SAMA5 (it will probably be removed
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later) (2013-7026).
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@@ -382,8 +382,13 @@ __start:
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mcr CP15_TTBR0(r4)
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mcr CP15_TTBR1(r4)
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/* Clear the TTB control register (TTBCR) to indicate that we are using
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/* Set the TTB control register (TTBCR) to indicate that we are using
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* TTBR0. r0 still holds the value of zero.
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*
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* N : 0=Selects TTBR0 and 16KB page table size indexed by VA[31:20]
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* PD0 : 0=Perform translation table walks using TTBR0
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* PD1 : 0=Perform translation table walks using TTBR1 (but it is disabled)
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* EAE : 0=Use 32-bit translation system
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*/
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mcr CP15_TTBCR(r0)
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@@ -139,3 +139,4 @@ up_saveusercontext:
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mov r0, #0 /* Return value == 0 */
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mov pc, lr /* Return */
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.size up_saveusercontext, . - up_saveusercontext
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.end
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@@ -43,12 +43,14 @@
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#include "arm.h"
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#include "cp15.h"
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.file "arm_vectors.S"
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/************************************************************************************
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* Definitions
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* Pre-processor Definitions
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************************************************************************************/
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/************************************************************************************
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* Global Data
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* Private Data
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************************************************************************************/
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.data
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@@ -76,8 +78,6 @@ g_aborttmp:
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* Public Functions
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************************************************************************************/
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.text
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/************************************************************************************
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* Name: arm_vectorirq
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*
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@@ -39,14 +39,19 @@
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#include <nuttx/config.h>
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.file "arm_vectortab.S"
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/****************************************************************************
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* Definitions
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Global Data
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* Global Symbols
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****************************************************************************/
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.globl _vector_start
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.globl _vector_end
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/****************************************************************************
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* Assembly Macros
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****************************************************************************/
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@@ -101,4 +106,5 @@ _vector_start:
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.globl _vector_end
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_vector_end:
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.size _vector_start, . - _vector_start
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.end
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@@ -401,7 +401,7 @@
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/* Bit 2: Bufferable bit */
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/* Bit 3: Cacheable bit */
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/* Bits 4-5: Access Permissions bits AP[0:1] */
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#define PTE_SMALL_AP_MASK (0xfffff000) /* Bits 12-31: Small page base address, PA[31:12] */
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#define PTE_SMALL_PADDR_MASK (0xfffff000) /* Bits 12-31: Small page base address, PA[31:12] */
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/* Level 2 Translation Table Access Permissions:
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*
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@@ -264,6 +264,12 @@
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#ifndef CONFIG_ARCH_ROMPGTABLE
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/* Notice that these mappings are a simple 1-to-1 mapping *unless*
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* CONFIG_ARCH_LOWVECTORS is not defined. In the high vector case, the
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* register system controls register area is moved out 0f 0xffff:000 where
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* the high vectors must reside.
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*/
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#define SAM_INTMEM_VSECTION 0x00000000 /* 0x00000000-0x0fffffff: Internal Memories */
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# define SAM_BOOTMEM_VSECTION 0x00000000 /* 0x00000000-0x000fffff: Boot memory */
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# define SAM_ROM_VSECTION 0x00100000 /* 0x00100000-0x001fffff: ROM */
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@@ -284,12 +290,24 @@
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#define SAM_EBICS3_VSECTION 0x60000000 /* 0x60000000-0x6fffffff: EBI Chip select 2 */
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#define SAM_NFCCR_VSECTION 0x70000000 /* 0x70000000-0x7fffffff: NFC Command Registers */
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/* 0x80000000-0xefffffff: Undefined */
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/* If CONFIG_ARCH_LOWVECTORS is not defined, then move the system control
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* registers out of the way.
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*/
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#ifdef CONFIG_ARCH_LOWVECTORS
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#define SAM_PERIPH_VSECTION 0xf0000000 /* 0xf0000000-0xffffffff: Internal Peripherals */
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# define SAM_PERIPHA_VSECTION 0xf0000000 /* 0xf0000000-0xffffffff: Internal Peripherals */
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# define SAM_PERIPHB_VSECTION 0xf8000000 /* 0xf8000000-0xffffbfff: Internal Peripherals B */
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# define SAM_SYSC_VSECTION 0xfff00000 /* 0xfff00000-0xffffffff: System Controller */
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# define SAM_SYSC_VADDR 0xffffc000 /* 0xffffc000-0xffffffff: System Controller */
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#else
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#define SAM_PERIPH_VSECTION 0xf0000000 /* 0xf0000000-0xffffffff: Internal Peripherals */
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# define SAM_PERIPHA_VSECTION 0xf1000000 /* 0xf0000000-0xffffffff: Internal Peripherals */
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# define SAM_PERIPHB_VSECTION 0xf2000000 /* 0xf8000000-0xffffbfff: Internal Peripherals B */
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# define SAM_SYSC_VSECTION 0xf300000 /* 0xfff00000-0xffffffff: System Controller */
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# define SAM_SYSC_VADDR 0xf30fc000 /* 0xffffc000-0xffffffff: System Controller */
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#endif
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#endif
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/* Peripheral virtual base addresses */
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@@ -38,7 +38,9 @@
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdint.h>
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#include <assert.h>
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#ifdef CONFIG_PAGING
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# include <nuttx/page.h>
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@@ -304,9 +306,14 @@ static void sam_vectorpermissions(uint32_t mmuflags)
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#ifdef NEED_VECTORMAP
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static void sam_vectormapping(void)
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{
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uint32_t vector_paddr = SAM_VECTOR_PADDR;
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uint32_t vector_vaddr = SAM_VECTOR_VADDR;
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uint32_t end_paddr = vector_paddr + VECTOR_TABLE_SIZE;
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uint32_t vector_paddr = SAM_VECTOR_PADDR & PTE_SMALL_PADDR_MASK;
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uint32_t vector_vaddr = SAM_VECTOR_VADDR & PTE_SMALL_PADDR_MASK;
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uint32_t vector_size = (uint32_t)&_vector_end - (uint32_t)&_vector_start;
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uint32_t end_paddr = SAM_VECTOR_PADDR + vector_size;
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/* REVISIT: Cannot really assert in this context */
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DEBUGASSERT (vector_size <= VECTOR_TABLE_SIZE);
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/* We want to keep our interrupt vectors and interrupt-related logic in
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* zero-wait state internal SRAM (ISRAM). The SAMA5 has 128Kb of ISRAM
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@@ -324,7 +331,9 @@ static void sam_vectormapping(void)
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/* Now set the level 1 descriptor to refer to the level 2 page table. */
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sam_setl1entry(VECTOR_L2_PBASE, SAM_VECTOR_VADDR, MMU_L1_VECTORFLAGS);
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sam_setl1entry(VECTOR_L2_PBASE & PMD_PTE_PADDR_MASK,
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SAM_VECTOR_VADDR & PMD_PTE_PADDR_MASK,
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MMU_L1_VECTORFLAGS);
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}
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#else
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/* No vector remap */
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@@ -633,6 +633,35 @@ Configurations
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Configuration sub-directories
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-----------------------------
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hello:
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This configuration directory, performs the (almost) simplest of all
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possible examples: examples/hello. This just comes up, says hello
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on the serial console and terminates. This configuration is of
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value during bring-up because it is small and can run entirely out
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of internal SRAM.
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NOTES:
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1. This configuration uses the default USART1 serial console. That
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is easily changed by reconfiguring to (1) enable a different
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serial peripheral, and (2) selecting that serial peripheral as
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the console device.
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2. By default, this configuration is set up to build on Windows
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under either a Cygwin or MSYS environment using a recent, Windows-
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native, generic ARM EABI GCC toolchain (such as the CodeSourcery
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toolchain). Both the build environment and the toolchain
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selection can easily be changed by reconfiguring:
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CONFIG_HOST_WINDOWS=y : Windows operating system
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CONFIG_WINDOWS_CYGWIN=y : POSIX environment under windows
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CONFIG_ARMV7A_TOOLCHAIN_CODESOURCERYW=y : CodeSourcery for Windows
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3. This configuration executes out of internal SRAM an can only
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be loaded via JTAG.
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CONFIG_SAMA5_BOOT_ISRAM=y : Boot into internal SRAM
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CONFIG_BOOT_RUNFROMISRAM=y : Run from internal SRAM
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ostest:
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This configuration directory, performs a simple OS test using
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examples/ostest.
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@@ -658,3 +687,11 @@ Configurations
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CONFIG_SAMA5_BOOT_ISRAM=y : Boot into internal SRAM
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CONFIG_BOOT_RUNFROMISRAM=y : Run from internal SRAM
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STATUS:
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2013-7-26: This ostest configuration is too large to fit in SAMA5
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internal SRAM (along with a usable heap and a 16KB page table).
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I do not want to simplify this test because I will, eventually,
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need to do the entire OS test. But I will need to configure this
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to run out of FLASH or SDRAM in this future. For now, I created
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the smaller 'hello' configuration for the basic bringup.
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@@ -0,0 +1,136 @@
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############################################################################
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# configs/sama5d3x-ek/hello/Make.defs
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#
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# Copyright (C) 2013 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
|
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# 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.
|
||||
#
|
||||
############################################################################
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||||
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include ${TOPDIR}/.config
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include ${TOPDIR}/tools/Config.mk
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include ${TOPDIR}$(DELIM)arch$(DELIM)arm$(DELIM)src$(DELIM)armv7-a$(DELIM)Toolchain.defs
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ifeq ($(CONFIG_SAMA5_BOOT_ISRAM),y)
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LDSCRIPT = isram.ld
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endif
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ifeq ($(CONFIG_SAMA5_BOOT_SDRAM),y)
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LDSCRIPT = ddram.ld
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endif
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ifeq ($(CONFIG_SAMA5_BOOT_CS0FLASH),y)
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# LDSCRIPT = cs0flash.ld
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endif
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ifeq ($(CONFIG_SAMA5_BOOT_CS1FLASH),y)
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# LDSCRIPT = cs1flash.ld
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endif
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ifeq ($(CONFIG_SAMA5_BOOT_CS2FLASH),y)
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# LDSCRIPT = cs2flash.ld
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endif
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ifeq ($(CONFIG_SAMA5_BOOT_CS3FLASH),y)
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# LDSCRIPT = cs3flash.ld
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endif
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|
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ifeq ($(WINTOOL),y)
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# Windows-native toolchains
|
||||
ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include}"
|
||||
ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include}" -isystem "${shell cygpath -w $(TOPDIR)$(DELIM)include$(DELIM)cxx}"
|
||||
ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)$(LDSCRIPT)}"
|
||||
MAXOPTIMIZATION = -O2
|
||||
else
|
||||
# Linux/Cygwin-native toolchain
|
||||
ARCHINCLUDES = -I. -isystem $(TOPDIR)$(DELIM)include
|
||||
ARCHXXINCLUDES = -I. -isystem $(TOPDIR)$(DELIM)include -isystem $(TOPDIR)$(DELIM)include$(DELIM)cxx
|
||||
ARCHSCRIPT = -T$(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)$(LDSCRIPT)
|
||||
endif
|
||||
|
||||
CC = $(CROSSDEV)gcc
|
||||
CXX = $(CROSSDEV)g++
|
||||
CPP = $(CROSSDEV)gcc -E
|
||||
LD = $(CROSSDEV)ld
|
||||
AR = $(ARCROSSDEV)ar rcs
|
||||
NM = $(ARCROSSDEV)nm
|
||||
OBJCOPY = $(CROSSDEV)objcopy
|
||||
OBJDUMP = $(CROSSDEV)objdump
|
||||
|
||||
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
|
||||
ARCHOPTIMIZATION = -g
|
||||
else
|
||||
ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
|
||||
endif
|
||||
|
||||
ARCHCPUFLAGS = -mcpu=cortex-a5 -mfpu=vfpv4-d16
|
||||
ARCHCFLAGS = -fno-builtin
|
||||
ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fno-rtti
|
||||
ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
|
||||
ARCHWARNINGSXX = -Wall -Wshadow
|
||||
ARCHDEFINES =
|
||||
ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
|
||||
|
||||
CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
|
||||
CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
|
||||
CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
|
||||
CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
|
||||
CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
|
||||
AFLAGS = $(CFLAGS) -D__ASSEMBLY__
|
||||
|
||||
NXFLATLDFLAGS1 = -r -d -warn-common
|
||||
NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)$(DELIM)binfmt$(DELIM)libnxflat$(DELIM)gnu-nxflat-pcrel.ld -no-check-sections
|
||||
LDNXFLATFLAGS = -e main -s 2048
|
||||
|
||||
OBJEXT = .o
|
||||
LIBEXT = .a
|
||||
EXEEXT =
|
||||
|
||||
ifneq ($(CROSSDEV),arm-nuttx-elf-)
|
||||
LDFLAGS += -nostartfiles -nodefaultlibs
|
||||
endif
|
||||
ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
|
||||
LDFLAGS += -g
|
||||
endif
|
||||
|
||||
HOSTCC = gcc
|
||||
HOSTINCLUDES = -I.
|
||||
HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
|
||||
HOSTLDFLAGS =
|
||||
ifeq ($(CONFIG_HOST_WINDOWS),y)
|
||||
HOSTEXEEXT = .exe
|
||||
else
|
||||
HOSTEXEEXT =
|
||||
endif
|
||||
|
||||
ifeq ($(WINTOOL),y)
|
||||
# Windows-native host tools
|
||||
DIRLINK = $(TOPDIR)$(DELIM)tools$(DELIM)copydir.sh
|
||||
DIRUNLINK = $(TOPDIR)$(DELIM)tools$(DELIM)unlink.sh
|
||||
MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mknulldeps.sh
|
||||
else
|
||||
# Linux/Cygwin-native host tools
|
||||
MKDEP = $(TOPDIR)$(DELIM)tools$(DELIM)mkdeps$(HOSTEXEEXT)
|
||||
endif
|
||||
|
||||
File diff suppressed because it is too large
Load Diff
Executable
+76
@@ -0,0 +1,76 @@
|
||||
#!/bin/bash
|
||||
# configs/samard3x-ek/hello/setenv.sh
|
||||
#
|
||||
# Copyright (C) 2013 Gregory Nutt. All rights reserved.
|
||||
# Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
#
|
||||
# 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.
|
||||
#
|
||||
|
||||
if [ "$_" = "$0" ] ; then
|
||||
echo "You must source this script, not run it!" 1>&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
WD=`pwd`
|
||||
if [ ! -x "setenv.sh" ]; then
|
||||
echo "This script must be executed from the top-level NuttX build directory"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ -z "${PATH_ORIG}" ]; then
|
||||
export PATH_ORIG="${PATH}"
|
||||
fi
|
||||
|
||||
# This is the Cygwin path to the location where I installed the Atmel GCC
|
||||
# toolchain under Windows. You will also have to edit this if you install
|
||||
# this toolchain in any other location
|
||||
#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/Atmel/Atmel Toolchain/ARM GCC/Native/4.7.3.99/arm-gnu-toolchain/bin"
|
||||
|
||||
# This is the Cygwin path to the location where I installed the CodeSourcery
|
||||
# toolchain under windows. You will also have to edit this if you install
|
||||
# the CodeSourcery toolchain in any other location
|
||||
#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
|
||||
export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
|
||||
|
||||
# These are the Cygwin paths to the locations where I installed the Atollic
|
||||
# toolchain under windows. You will also have to edit this if you install
|
||||
# the Atollic toolchain in any other location. /usr/bin is added before
|
||||
# the Atollic bin path because there is are binaries named gcc.exe and g++.exe
|
||||
# at those locations as well.
|
||||
#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for ARM Pro 2.3.0/ARMTools/bin"
|
||||
#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for STMicroelectronics STM32 Lite 2.3.0/ARMTools/bin"
|
||||
|
||||
# This is the Cygwin path to the location where I build the buildroot
|
||||
# toolchain.
|
||||
#export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
|
||||
|
||||
# Add the path to the toolchain to the PATH varialble
|
||||
export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
|
||||
|
||||
echo "PATH : ${PATH}"
|
||||
Reference in New Issue
Block a user