git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6728 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2014-02-26 10:35:21 +00:00
parent b0610b61ec
commit ce46beee69
6 changed files with 604 additions and 0 deletions

View File

@ -0,0 +1,31 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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 3 of the License, or
(at your option) any later version.
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
*/
/*
* SPC560P50 memory setup.
*/
MEMORY
{
flash : org = 0x00000000, len = 512k
dataflash : org = 0x00800000, len = 64k
ram : org = 0x40000000, len = 40k
}
INCLUDE rules_z0.ld

View File

@ -0,0 +1,163 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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 3 of the License, or
(at your option) any later version.
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
*/
__ram_size__ = LENGTH(ram);
__ram_start__ = ORIGIN(ram);
__ram_end__ = ORIGIN(ram) + LENGTH(ram);
ENTRY(_reset_address)
SECTIONS
{
. = ORIGIN(flash);
.boot0 : ALIGN(16) SUBALIGN(16)
{
KEEP(*(.boot))
} > flash
.boot1 : ALIGN(16) SUBALIGN(16)
{
KEEP(*(.handlers))
KEEP(*(.crt0))
/* The vectors table requires a 2kB alignment.*/
. = ALIGN(0x800);
KEEP(*(.vectors))
/* The IVPR register requires a 4kB alignment.*/
. = ALIGN(0x1000);
__ivpr_base__ = .;
KEEP(*(.ivors))
} > flash
constructors : ALIGN(4) SUBALIGN(4)
{
PROVIDE(__init_array_start = .);
KEEP(*(SORT(.init_array.*)))
KEEP(*(.init_array))
PROVIDE(__init_array_end = .);
} > flash
destructors : ALIGN(4) SUBALIGN(4)
{
PROVIDE(__fini_array_start = .);
KEEP(*(.fini_array))
KEEP(*(SORT(.fini_array.*)))
PROVIDE(__fini_array_end = .);
} > flash
.text_vle : ALIGN(16) SUBALIGN(16)
{
*(.text_vle)
*(.text_vle.*)
*(.gnu.linkonce.t_vle.*)
} > flash
.text : ALIGN(16) SUBALIGN(16)
{
*(.text)
*(.text.*)
*(.gnu.linkonce.t.*)
} > flash
.rodata : ALIGN(16) SUBALIGN(16)
{
*(.glue_7t)
*(.glue_7)
*(.gcc*)
*(.rodata)
*(.rodata.*)
*(.rodata1)
} > flash
.sdata2 : ALIGN(16) SUBALIGN(16)
{
__sdata2_start__ = . + 0x8000;
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*(.sbss2)
*(.sbss2.*)
*(.gnu.linkonce.sb2.*)
} > flash
.eh_frame_hdr :
{
*(.eh_frame_hdr)
} > flash
.eh_frame : ONLY_IF_RO
{
*(.eh_frame)
} > flash
.romdata : ALIGN(16) SUBALIGN(16)
{
__romdata_start__ = .;
} > flash
.stacks : ALIGN(16) SUBALIGN(16)
{
. = ALIGN(8);
__irq_stack_base__ = .;
. += __irq_stack_size__;
. = ALIGN(8);
__irq_stack_end__ = .;
__process_stack_base__ = .;
__main_thread_stack_base__ = .;
. += __process_stack_size__;
. = ALIGN(8);
__process_stack_end__ = .;
__main_thread_stack_end__ = .;
} > ram
.data : AT(__romdata_start__)
{
. = ALIGN(4);
__data_start__ = .;
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
__sdata_start__ = . + 0x8000;
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
__data_end__ = .;
} > ram
.sbss :
{
__bss_start__ = .;
*(.sbss)
*(.sbss.*)
*(.gnu.linkonce.sb.*)
*(.scommon)
} > ram
.bss :
{
*(.bss)
*(.bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
__bss_end__ = .;
} > ram
__heap_base__ = __bss_end__;
__heap_end__ = __ram_end__;
}

View File

@ -37,6 +37,7 @@ SECTIONS
{
KEEP(*(.handlers))
KEEP(*(.crt0))
/* The vectors table requires a 2kB alignment.*/
. = ALIGN(0x800);
KEEP(*(.vectors))
} > flash

View File

@ -0,0 +1,118 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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 3 of the License, or
(at your option) any later version.
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
*/
/**
* @file boot.h
* @brief Boot parameters for the SPC560Pxx.
* @{
*/
#ifndef _BOOT_H_
#define _BOOT_H_
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/**
* @name BUCSR registers definitions
* @{
*/
#define BUCSR_BPEN 0x00000001
#define BUCSR_BALLOC_BFI 0x00000200
/** @} */
/**
* @name MSR register definitions
* @{
*/
#define MSR_WE 0x00040000
#define MSR_CE 0x00020000
#define MSR_EE 0x00008000
#define MSR_PR 0x00004000
#define MSR_ME 0x00001000
#define MSR_DE 0x00000200
#define MSR_IS 0x00000020
#define MSR_DS 0x00000010
#define MSR_RI 0x00000002
/** @} */
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*
* BUCSR default settings.
*/
#if !defined(BOOT_BUCSR_DEFAULT) || defined(__DOXYGEN__)
#define BOOT_BUCSR_DEFAULT (BUCSR_BPEN | BUCSR_BALLOC_BFI)
#endif
/*
* MSR default settings.
*/
#if !defined(BOOT_MSR_DEFAULT) || defined(__DOXYGEN__)
#define BOOT_MSR_DEFAULT (MSR_WE | MSR_CE | MSR_ME)
#endif
/*
* Boot default settings.
*/
#if !defined(BOOT_PERFORM_CORE_INIT) || defined(__DOXYGEN__)
#define BOOT_PERFORM_CORE_INIT 1
#endif
/*
* VLE mode default settings.
*/
#if !defined(BOOT_USE_VLE) || defined(__DOXYGEN__)
#define BOOT_USE_VLE 1
#endif
/*
* RAM relocation flag.
*/
#if !defined(BOOT_RELOCATE_IN_RAM) || defined(__DOXYGEN__)
#define BOOT_RELOCATE_IN_RAM 0
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
#endif /* _BOOT_H_ */
/** @} */

View File

@ -0,0 +1,214 @@
/*
SPC5 HAL - Copyright (C) 2013 STMicroelectronics
Licensed 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.
*/
/**
* @file SPC560Pxx/boot.s
* @brief SPC560Pxx boot-related code.
*
* @addtogroup PPC_BOOT
* @{
*/
#include "boot.h"
#if !defined(__DOXYGEN__)
/* BAM record.*/
.section .boot, "ax"
.long 0x015A0000
.long _reset_address
.align 2
.globl _reset_address
.type _reset_address, @function
_reset_address:
#if BOOT_PERFORM_CORE_INIT
bl _coreinit
#endif
bl _ivinit
#if BOOT_RELOCATE_IN_RAM
/*
* Image relocation in RAM.
*/
lis %r4, __ram_reloc_start__@h
ori %r4, %r4, __ram_reloc_start__@l
lis %r5, __ram_reloc_dest__@h
ori %r5, %r5, __ram_reloc_dest__@l
lis %r6, __ram_reloc_end__@h
ori %r6, %r6, __ram_reloc_end__@l
.relloop:
cmpl cr0, %r4, %r6
bge cr0, .relend
lwz %r7, 0(%r4)
addi %r4, %r4, 4
stw %r7, 0(%r5)
addi %r5, %r5, 4
b .relloop
.relend:
lis %r3, _boot_address@h
ori %r3, %r3, _boot_address@l
mtctr %r3
bctrl
#else
b _boot_address
#endif
#if BOOT_PERFORM_CORE_INIT
.align 2
_coreinit:
/*
* RAM clearing, this device requires a write to all RAM location in
* order to initialize the ECC detection hardware, this is going to
* slow down the startup but there is no way around.
*/
xor %r0, %r0, %r0
xor %r1, %r1, %r1
xor %r2, %r2, %r2
xor %r3, %r3, %r3
xor %r4, %r4, %r4
xor %r5, %r5, %r5
xor %r6, %r6, %r6
xor %r7, %r7, %r7
xor %r8, %r8, %r8
xor %r9, %r9, %r9
xor %r10, %r10, %r10
xor %r11, %r11, %r11
xor %r12, %r12, %r12
xor %r13, %r13, %r13
xor %r14, %r14, %r14
xor %r15, %r15, %r15
xor %r16, %r16, %r16
xor %r17, %r17, %r17
xor %r18, %r18, %r18
xor %r19, %r19, %r19
xor %r20, %r20, %r20
xor %r21, %r21, %r21
xor %r22, %r22, %r22
xor %r23, %r23, %r23
xor %r24, %r24, %r24
xor %r25, %r25, %r25
xor %r26, %r26, %r26
xor %r27, %r27, %r27
xor %r28, %r28, %r28
xor %r29, %r29, %r29
xor %r30, %r30, %r30
xor %r31, %r31, %r31
lis %r4, __ram_start__@h
ori %r4, %r4, __ram_start__@l
lis %r5, __ram_end__@h
ori %r5, %r5, __ram_end__@l
.cleareccloop:
cmpl %cr0, %r4, %r5
bge %cr0, .cleareccend
stmw %r16, 0(%r4)
addi %r4, %r4, 64
b .cleareccloop
.cleareccend:
/*
* Branch prediction enabled.
*/
li %r3, BOOT_BUCSR_DEFAULT
mtspr 1013, %r3 /* BUCSR */
blr
#endif /* BOOT_PERFORM_CORE_INIT */
/*
* Exception vectors initialization.
*/
.align 2
_ivinit:
/* MSR initialization.*/
lis %r3, BOOT_MSR_DEFAULT@h
ori %r3, %r3, BOOT_MSR_DEFAULT@l
mtMSR %r3
/* IVPR initialization.*/
lis %r3, __ivpr_base__@h
ori %r3, %r3, __ivpr_base__@l
mtIVPR %r3
blr
.section .ivors, "ax"
.globl IVORS
IVORS:
IVOR0: b IVOR0
.align 4
IVOR1: b _IVOR1
.align 4
IVOR2: b _IVOR2
.align 4
IVOR3: b _IVOR3
.align 4
IVOR4: b _IVOR4
.align 4
IVOR5: b _IVOR5
.align 4
IVOR6: b _IVOR6
.align 4
IVOR7: b _IVOR7
.align 4
IVOR8: b _IVOR8
.align 4
IVOR9: b _IVOR9
.align 4
IVOR10: b _IVOR10
.align 4
IVOR11: b _IVOR11
.align 4
IVOR12: b _IVOR12
.align 4
IVOR13: b _IVOR13
.align 4
IVOR14: b _IVOR14
.align 4
IVOR15: b _IVOR15
.section .handlers, "ax"
/*
* Default IVOR handlers.
*/
.align 2
.weak _IVOR0, _IVOR1, _IVOR2, _IVOR3, _IVOR4, _IVOR5
.weak _IVOR6, _IVOR7, _IVOR8, _IVOR9, _IVOR10, _IVOR11
.weak _IVOR12, _IVOR13, _IVOR14, _IVOR15
.weak _unhandled_exception
_IVOR0:
_IVOR1:
_IVOR2:
_IVOR3:
_IVOR5:
_IVOR6:
_IVOR7:
_IVOR8:
_IVOR9:
_IVOR11:
_IVOR12:
_IVOR13:
_IVOR14:
_IVOR15:
_unhandled_exception:
b _unhandled_exception
#endif /* !defined(__DOXYGEN__) */
/** @} */

View File

@ -0,0 +1,77 @@
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT 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 3 of the License, or
(at your option) any later version.
ChibiOS/RT 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, see <http://www.gnu.org/licenses/>.
*/
/**
* @file SPC560Pxx/ppcparams.h
* @brief PowerPC parameters for the SPC560Pxx.
*
* @defgroup PPC_SPC560Pxx SPC560Pxx Specific Parameters
* @ingroup PPC_SPECIFIC
* @details This file contains the PowerPC specific parameters for the
* SPC560Pxx platform.
* @{
*/
#ifndef _PPCPARAMS_H_
#define _PPCPARAMS_H_
/**
* @brief PPC core model.
*/
#define PPC_VARIANT PPC_VARIANT_e200z0
/**
* @brief Number of writable bits in IVPR register.
*/
#define PPC_IVPR_BITS 20
/**
* @brief IVORx registers support.
*/
#define PPC_SUPPORTS_IVORS FALSE
/**
* @brief Book E instruction set support.
*/
#define PPC_SUPPORTS_BOOKE FALSE
/**
* @brief VLE instruction set support.
*/
#define PPC_SUPPORTS_VLE TRUE
/**
* @brief Supports VLS Load/Store Multiple Volatile instructions.
*/
#define PPC_SUPPORTS_VLE_MULTI TRUE
/**
* @brief Supports the decrementer timer.
*/
#define PPC_SUPPORTS_DECREMENTER FALSE
/**
* @brief Number of interrupt sources.
*/
#define PPC_NUM_VECTORS 261
#endif /* _PPCPARAMS_H_ */
/** @} */