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-rw-r--r--cpukit/score/cpu/arm/__aeabi_read_tp.c16
-rw-r--r--cpukit/score/cpu/arm/__tls_get_addr.c16
-rw-r--r--cpukit/score/cpu/arm/aarch32-psma-init-default.c2
-rw-r--r--cpukit/score/cpu/arm/aarch32-psma-init.c2
-rw-r--r--cpukit/score/cpu/arm/arm-context-validate.S2
-rw-r--r--cpukit/score/cpu/arm/arm-context-volatile-clobber.S2
-rw-r--r--cpukit/score/cpu/arm/arm-exception-default.c11
-rw-r--r--cpukit/score/cpu/arm/arm-exception-frame-print.c156
-rw-r--r--cpukit/score/cpu/arm/arm_exc_abort.S2
-rw-r--r--cpukit/score/cpu/arm/arm_exc_interrupt.S2
-rw-r--r--cpukit/score/cpu/arm/armv4-exception-default.S2
-rw-r--r--cpukit/score/cpu/arm/armv4-isr-install-vector.c75
-rw-r--r--cpukit/score/cpu/arm/armv4-sync-synchronize.c10
-rw-r--r--cpukit/score/cpu/arm/armv7-thread-idle.c9
-rw-r--r--cpukit/score/cpu/arm/armv7m-context-initialize.c9
-rw-r--r--cpukit/score/cpu/arm/armv7m-context-restore.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-context-switch.c5
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-default.c11
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-handler-get.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-handler-set.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-priority-get.c8
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-priority-handler.c5
-rw-r--r--cpukit/score/cpu/arm/armv7m-exception-priority-set.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-initialize.c6
-rw-r--r--cpukit/score/cpu/arm/armv7m-isr-dispatch.c5
-rw-r--r--cpukit/score/cpu/arm/armv7m-isr-enter-leave.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-isr-level-get.c6
-rw-r--r--cpukit/score/cpu/arm/armv7m-isr-level-set.c6
-rw-r--r--cpukit/score/cpu/arm/armv7m-isr-vector-install.c7
-rw-r--r--cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c5
-rw-r--r--cpukit/score/cpu/arm/cpu.c49
-rw-r--r--cpukit/score/cpu/arm/cpu_asm.S2
-rw-r--r--cpukit/score/cpu/arm/include/libcpu/arm-cp15.h28
-rw-r--r--cpukit/score/cpu/arm/include/rtems/asm.h11
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h2
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h2
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/arm.h3
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/armv4.h19
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/armv7m.h19
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/cpu.h29
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h33
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h22
-rw-r--r--cpukit/score/cpu/arm/include/rtems/score/paravirt.h6
43 files changed, 473 insertions, 167 deletions
diff --git a/cpukit/score/cpu/arm/__aeabi_read_tp.c b/cpukit/score/cpu/arm/__aeabi_read_tp.c
index 671065825d..0f4eba8d9a 100644
--- a/cpukit/score/cpu/arm/__aeabi_read_tp.c
+++ b/cpukit/score/cpu/arm/__aeabi_read_tp.c
@@ -1,7 +1,15 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of __aeabi_read_tp().
+ */
+
/*
- * Copyright (c) 2014 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2014 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -42,15 +50,15 @@ void __attribute__((naked)) __aeabi_read_tp(void)
"ldr r0, =_Per_CPU_Information\n"
"ldr r0, [r0, %[executingoff]]\n"
#if defined(__thumb__) && !defined(__thumb2__)
- "add r0, %[tlsareaoff]\n"
+ "add r0, %[threadidoff]\n"
"ldr r0, [r0]\n"
#else
- "ldr r0, [r0, %[tlsareaoff]]\n"
+ "ldr r0, [r0, %[threadidoff]]\n"
#endif
"bx lr\n"
:
: [executingoff] "I" (offsetof(Per_CPU_Control, executing)),
- [tlsareaoff] "I" (offsetof(Thread_Control, Start.tls_area))
+ [threadidoff] "I" (offsetof(Thread_Control, Registers.thread_id))
);
}
diff --git a/cpukit/score/cpu/arm/__tls_get_addr.c b/cpukit/score/cpu/arm/__tls_get_addr.c
index 5c8e60ae06..407bf3d639 100644
--- a/cpukit/score/cpu/arm/__tls_get_addr.c
+++ b/cpukit/score/cpu/arm/__tls_get_addr.c
@@ -1,7 +1,15 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of __tls_get_addr().
+ */
+
/*
- * Copyright (c) 2014-2015 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2014, 2015 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -39,10 +47,10 @@ void *__tls_get_addr(const TLS_Index *ti);
void *__tls_get_addr(const TLS_Index *ti)
{
const Thread_Control *executing = _Thread_Get_executing();
- void *tls_block = (char *) executing->Start.tls_area
- + _TLS_Get_thread_control_block_area_size( (uintptr_t) _TLS_Alignment );
+ void *tls_data = (char *) executing->Registers.thread_id
+ + _TLS_Get_thread_control_block_area_size( &_TLS_Configuration );
assert(ti->module == 1);
- return (char *) tls_block + ti->offset;
+ return (char *) tls_data + ti->offset;
}
diff --git a/cpukit/score/cpu/arm/aarch32-psma-init-default.c b/cpukit/score/cpu/arm/aarch32-psma-init-default.c
index da710d77fc..615e7a528a 100644
--- a/cpukit/score/cpu/arm/aarch32-psma-init-default.c
+++ b/cpukit/score/cpu/arm/aarch32-psma-init-default.c
@@ -10,7 +10,7 @@
*/
/*
- * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 2020 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/aarch32-psma-init.c b/cpukit/score/cpu/arm/aarch32-psma-init.c
index 543e1b7d9b..93a3673a98 100644
--- a/cpukit/score/cpu/arm/aarch32-psma-init.c
+++ b/cpukit/score/cpu/arm/aarch32-psma-init.c
@@ -10,7 +10,7 @@
*/
/*
- * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 2020 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/arm-context-validate.S b/cpukit/score/cpu/arm/arm-context-validate.S
index 424fa60daf..51157071dd 100644
--- a/cpukit/score/cpu/arm/arm-context-validate.S
+++ b/cpukit/score/cpu/arm/arm-context-validate.S
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2013, 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
index ac40755d4d..5cbbb27754 100644
--- a/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
+++ b/cpukit/score/cpu/arm/arm-context-volatile-clobber.S
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (c) 2013, 2017 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2013, 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/arm-exception-default.c b/cpukit/score/cpu/arm/arm-exception-default.c
index d2b2fc2767..02df769287 100644
--- a/cpukit/score/cpu/arm/arm-exception-default.c
+++ b/cpukit/score/cpu/arm/arm-exception-default.c
@@ -1,7 +1,16 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARM_Exception_default().
+ */
+
/*
- * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2013 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/arm-exception-frame-print.c b/cpukit/score/cpu/arm/arm-exception-frame-print.c
index 4bb1efedec..b089648184 100644
--- a/cpukit/score/cpu/arm/arm-exception-frame-print.c
+++ b/cpukit/score/cpu/arm/arm-exception-frame-print.c
@@ -1,7 +1,16 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_Exception_frame_print().
+ */
+
/*
- * Copyright (c) 2012-2013 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2012, 2013 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -32,11 +41,14 @@
#include <inttypes.h>
#include <rtems/score/cpu.h>
+#if defined(ARM_MULTILIB_ARCH_V7M)
+#include <rtems/score/armv7m.h>
+#endif
#include <rtems/bspIo.h>
static void _ARM_VFP_context_print( const ARM_VFP_context *vfp_context )
{
-#ifdef ARM_MULTILIB_VFP_D32
+#ifdef ARM_MULTILIB_VFP
if ( vfp_context != NULL ) {
const uint64_t *dx = &vfp_context->register_d0;
int i;
@@ -47,7 +59,14 @@ static void _ARM_VFP_context_print( const ARM_VFP_context *vfp_context )
vfp_context->register_fpscr
);
- for ( i = 0; i < 32; ++i ) {
+#if defined(ARM_MULTILIB_VFP_D32)
+ int regcount = 32;
+#elif defined(ARM_MULTILIB_VFP_D16)
+ int regcount = 16;
+#else
+ int regcount = 0;
+#endif
+ for ( i = 0; i < regcount; ++i ) {
uint32_t low = (uint32_t) dx[i];
uint32_t high = (uint32_t) (dx[i] >> 32);
@@ -57,6 +76,136 @@ static void _ARM_VFP_context_print( const ARM_VFP_context *vfp_context )
#endif
}
+static void _ARM_Cortex_M_fault_info_print( void )
+{
+#if defined(ARM_MULTILIB_ARCH_V7M)
+ /*
+ * prints content of additional debugging registers
+ * available on Cortex-Mx where x > 0 cores.
+ */
+ uint32_t cfsr = _ARMV7M_SCB->cfsr;
+ uint8_t mmfsr = ARMV7M_SCB_CFSR_MMFSR_GET( cfsr );
+ uint8_t bfsr = ( ARMV7M_SCB_CFSR_BFSR_GET( cfsr ) >> 8 );
+ uint16_t ufsr = ( ARMV7M_SCB_CFSR_UFSR_GET( cfsr ) >> 16 );
+ uint32_t hfsr = _ARMV7M_SCB->hfsr;
+ if ( mmfsr > 0 ) {
+ printk( "MMFSR= 0x%08" PRIx32 " (memory fault)\n", mmfsr );
+ if ( ( mmfsr & 0x1 ) != 0 ) {
+ printk( " IACCVIOL : 1 (instruction access violation)\n" );
+ }
+ if ( ( mmfsr & 0x2 ) != 0 ) {
+ printk( " DACCVIOL : 1 (data access violation)\n" );
+ }
+ if ( (mmfsr & 0x8 ) != 0 ) {
+ printk(
+ " MUNSTKERR : 1 (fault on unstacking on exception return)\n"
+ );
+ }
+ if ( ( mmfsr & 0x10 ) != 0 ) {
+ printk( " MSTKERR : 1 (fault on stacking on exception entry)\n" );
+ }
+ if ( (mmfsr & 0x20 ) != 0 ) {
+ printk( " MLSPERR : 1 (fault during lazy FP stack preservation)\n" );
+ }
+ if ( (mmfsr & 0x80 ) != 0 ) {
+ printk(
+ " MMFARVALID : 1 -> 0x%08" PRIx32 " (error address)\n",
+ _ARMV7M_SCB->mmfar
+ );
+ }
+ else {
+ printk( " MMFARVALID : 0 (undetermined error address)\n" );
+ }
+ }
+ if ( bfsr > 0 ) {
+ printk( "BFSR = 0x%08" PRIx32 " (bus fault)\n", bfsr );
+ if ( ( bfsr & 0x1 ) != 0 ) {
+ printk( " IBUSERR : 1 (instruction fetch error)\n" );
+ }
+ if ( (bfsr & 0x2 ) != 0 ) {
+ printk(
+ " PRECISERR : 1 (data bus error with known exact location)\n"
+ );
+ }
+ if ( ( bfsr & 0x4) != 0 ) {
+ printk(
+ " IMPRECISERR: 1 (data bus error without known exact location)\n"
+ );
+ }
+ if ( (bfsr & 0x8 ) != 0 ) {
+ printk(
+ " UNSTKERR : 1 (fault on unstacking on exception return)\n"
+ );
+ }
+ if ( ( bfsr & 0x10 ) != 0 ) {
+ printk( " STKERR : 1 (fault on stacking on exception entry)\n" );
+ }
+ if ( ( bfsr & 0x20 ) != 0 ) {
+ printk( " LSPERR : 1 (fault during lazy FP stack preservation)\n" );
+ }
+ if ( (bfsr & 0x80 ) != 0 ) {
+ printk(
+ " BFARVALID : 1 -> 0x%08" PRIx32 " (error address)\n",
+ _ARMV7M_SCB->bfar
+ );
+ }
+ else {
+ printk( " BFARVALID : 0 (undetermined error address)\n" );
+ }
+ }
+ if ( ufsr > 0 ) {
+ printk( "UFSR = 0x%08" PRIx32 " (usage fault)\n", ufsr);
+ if ( (ufsr & 0x1 ) != 0 ) {
+ printk( " UNDEFINSTR : 1 (undefined instruction issued)\n");
+ }
+ if ( (ufsr & 0x2 ) != 0 ) {
+ printk(
+ " INVSTATE : 1"
+ " (invalid instruction state"
+ " (Thumb not set in EPSR or invalid IT state in EPSR))\n"
+ );
+ }
+ if ( (ufsr & 0x4 ) != 0 ) {
+ printk( " INVPC : 1 (integrity check failure on EXC_RETURN)\n" );
+ }
+ if ( (ufsr & 0x8 ) != 0 ) {
+ printk(
+ " NOCP : 1"
+ " (coprocessor instruction issued"
+ " but coprocessor disabled or non existent)\n"
+ );
+ }
+ if ( ( ufsr & 0x100) != 0 ) {
+ printk( " UNALIGNED : 1 (unaligned access operation occurred)\n" );
+ }
+ if ( ( ufsr & 0x200) != 0 ) {
+ printk( " DIVBYZERO : 1 (division by zero)" );
+ }
+ }
+ if ( (hfsr & (
+ ARMV7M_SCB_HFSR_VECTTBL_MASK
+ | ARMV7M_SCB_HFSR_DEBUGEVT_MASK
+ | ARMV7M_SCB_HFSR_FORCED_MASK
+ ) ) != 0 ) {
+ printk( "HFSR = 0x%08" PRIx32 " (hard fault)\n", hfsr );
+ if ( (hfsr & ARMV7M_SCB_HFSR_VECTTBL_MASK ) != 0 ) {
+ printk(
+ " VECTTBL : 1 (error in address located in vector table)\n"
+ );
+ }
+ if ( (hfsr & ARMV7M_SCB_HFSR_FORCED_MASK ) != 0 ) {
+ printk(
+ " FORCED : 1 (configurable fault escalated to hard fault)\n"
+ );
+ }
+ if ( (hfsr & ARMV7M_SCB_HFSR_DEBUGEVT_MASK ) != 0 ) {
+ printk(
+ " DEBUGEVT : 1 (debug event occurred with debug system disabled)\n"
+ );
+ }
+ }
+#endif
+}
void _CPU_Exception_frame_print( const CPU_Exception_frame *frame )
{
printk(
@@ -100,4 +249,5 @@ void _CPU_Exception_frame_print( const CPU_Exception_frame *frame )
);
_ARM_VFP_context_print( frame->vfp_context );
+ _ARM_Cortex_M_fault_info_print();
}
diff --git a/cpukit/score/cpu/arm/arm_exc_abort.S b/cpukit/score/cpu/arm/arm_exc_abort.S
index b2fe0b726a..2721e3fed0 100644
--- a/cpukit/score/cpu/arm/arm_exc_abort.S
+++ b/cpukit/score/cpu/arm/arm_exc_abort.S
@@ -9,7 +9,7 @@
*/
/*
- * Copyright (c) 2009 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2009 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/arm_exc_interrupt.S b/cpukit/score/cpu/arm/arm_exc_interrupt.S
index 696aeb786f..5a7109da26 100644
--- a/cpukit/score/cpu/arm/arm_exc_interrupt.S
+++ b/cpukit/score/cpu/arm/arm_exc_interrupt.S
@@ -9,7 +9,7 @@
*/
/*
- * Copyright (c) 2009, 2022 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2009, 2022 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/armv4-exception-default.S b/cpukit/score/cpu/arm/armv4-exception-default.S
index 595951073d..a23aef76a4 100644
--- a/cpukit/score/cpu/arm/armv4-exception-default.S
+++ b/cpukit/score/cpu/arm/armv4-exception-default.S
@@ -1,7 +1,7 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/*
- * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2013 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/armv4-isr-install-vector.c b/cpukit/score/cpu/arm/armv4-isr-install-vector.c
new file mode 100644
index 0000000000..739b02f8bf
--- /dev/null
+++ b/cpukit/score/cpu/arm/armv4-isr-install-vector.c
@@ -0,0 +1,75 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the ARM-specific _CPU_ISR_install_vector().
+ */
+
+/*
+ * COPYRIGHT (c) 2000 Canon Research Centre France SA.
+ * Emmanuel Raguet, mailto:raguet@crf.canon.fr
+ *
+ * Copyright (c) 2002 Advent Networks, Inc
+ * Jay Monkman <jmonkman@adventnetworks.com>
+ *
+ * Copyright (C) 2009, 2017 embedded brains GmbH & Co. KG
+ *
+ * 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.
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/score/cpu.h>
+
+#ifdef ARM_MULTILIB_ARCH_V4
+
+void _CPU_ISR_install_vector(
+ uint32_t vector,
+ CPU_ISR_handler new_handler,
+ CPU_ISR_handler *old_handler
+)
+{
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Warray-bounds"
+ /* Redirection table starts at the end of the vector table */
+ CPU_ISR_handler volatile *table = (CPU_ISR_handler *) (MAX_EXCEPTIONS * 4);
+
+ CPU_ISR_handler current_handler = table [vector];
+
+ /* The current handler is now the old one */
+ if (old_handler != NULL) {
+ *old_handler = current_handler;
+ }
+
+ /* Write only if necessary to avoid writes to a maybe read-only memory */
+ if (current_handler != new_handler) {
+ table [vector] = new_handler;
+ }
+#pragma GCC diagnostic pop
+}
+
+#endif /* ARM_MULTILIB_ARCH_V4 */
diff --git a/cpukit/score/cpu/arm/armv4-sync-synchronize.c b/cpukit/score/cpu/arm/armv4-sync-synchronize.c
index 4445022fd6..2f454306d8 100644
--- a/cpukit/score/cpu/arm/armv4-sync-synchronize.c
+++ b/cpukit/score/cpu/arm/armv4-sync-synchronize.c
@@ -1,7 +1,15 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of __sync_synchronize().
+ */
+
/*
- * Copyright (c) 2015 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2015 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/armv7-thread-idle.c b/cpukit/score/cpu/arm/armv7-thread-idle.c
index 399e41796e..720cb2be83 100644
--- a/cpukit/score/cpu/arm/armv7-thread-idle.c
+++ b/cpukit/score/cpu/arm/armv7-thread-idle.c
@@ -1,13 +1,16 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU Thread Idle Body
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_Thread_Idle_body().
*/
/*
- * Copyright (c) 2012 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2012 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/armv7m-context-initialize.c b/cpukit/score/cpu/arm/armv7m-context-initialize.c
index 6bdedecb77..d67bcf93b5 100644
--- a/cpukit/score/cpu/arm/armv7m-context-initialize.c
+++ b/cpukit/score/cpu/arm/armv7m-context-initialize.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU Initialize Context
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_Context_Initialize().
*/
/*
@@ -61,7 +64,7 @@ void _CPU_Context_Initialize(
context->register_sp = stack_area_end;
if ( tls_area != NULL ) {
- _TLS_TCB_at_area_begin_initialize( tls_area );
+ context->thread_id = (uint32_t) _TLS_Initialize_area( tls_area );
}
}
diff --git a/cpukit/score/cpu/arm/armv7m-context-restore.c b/cpukit/score/cpu/arm/armv7m-context-restore.c
index bf402953a3..b888abe29f 100644
--- a/cpukit/score/cpu/arm/armv7m-context-restore.c
+++ b/cpukit/score/cpu/arm/armv7m-context-restore.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU Restore Context
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_Context_restore().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-context-switch.c b/cpukit/score/cpu/arm/armv7m-context-switch.c
index 091611aebf..74d6b953ef 100644
--- a/cpukit/score/cpu/arm/armv7m-context-switch.c
+++ b/cpukit/score/cpu/arm/armv7m-context-switch.c
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARM7M CPU Context Switch
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_Context_switch().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-exception-default.c b/cpukit/score/cpu/arm/armv7m-exception-default.c
index c9d1841afb..35dde50dc3 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-default.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-default.c
@@ -1,7 +1,16 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Exception_default().
+ */
+
/*
- * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2013 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/armv7m-exception-handler-get.c b/cpukit/score/cpu/arm/armv7m-exception-handler-get.c
index 63fcfffcfa..41effd1e18 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-handler-get.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-handler-get.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief ARMV7M Get Exception Handler
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Get_exception_handler().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-exception-handler-set.c b/cpukit/score/cpu/arm/armv7m-exception-handler-set.c
index a138cbeec1..94c9dc5360 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-handler-set.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-handler-set.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief ARMV7M Set Exception Handler
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Set_exception_handler().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-exception-priority-get.c b/cpukit/score/cpu/arm/armv7m-exception-priority-get.c
index c22e874404..bb0892a32f 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-priority-get.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-priority-get.c
@@ -1,10 +1,14 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief ARMV7M Get Exception Priority
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Get_exception_priority().
*/
+
/*
* Copyright (c) 2011 Sebastian Huber. All rights reserved.
*
diff --git a/cpukit/score/cpu/arm/armv7m-exception-priority-handler.c b/cpukit/score/cpu/arm/armv7m-exception-priority-handler.c
index f77aa73522..b94366e07c 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-priority-handler.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-priority-handler.c
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARMV7M Set Exception Priority and Handler
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Set_exception_priority_and_handler().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-exception-priority-set.c b/cpukit/score/cpu/arm/armv7m-exception-priority-set.c
index da0a635497..05136a47db 100644
--- a/cpukit/score/cpu/arm/armv7m-exception-priority-set.c
+++ b/cpukit/score/cpu/arm/armv7m-exception-priority-set.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief ARMV7M Set Exception Priority
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Set_exception_priority().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-initialize.c b/cpukit/score/cpu/arm/armv7m-initialize.c
index 6ec863fa30..0f47b49af7 100644
--- a/cpukit/score/cpu/arm/armv7m-initialize.c
+++ b/cpukit/score/cpu/arm/armv7m-initialize.c
@@ -3,11 +3,13 @@
/**
* @file
*
- * @brief ARM7M CPU Initialize
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of _CPU_Initialize().
*/
/*
- * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 2020 embedded brains GmbH & Co. KG
* Copyright (C) 2011 Sebastian Huber
*
* Redistribution and use in source and binary forms, with or without
diff --git a/cpukit/score/cpu/arm/armv7m-isr-dispatch.c b/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
index 5ab9d1fae2..ea168969ba 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-dispatch.c
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARMV7M ISR Dispatch
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Thread_dispatch().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-isr-enter-leave.c b/cpukit/score/cpu/arm/armv7m-isr-enter-leave.c
index e2f5b5b62f..1490f6e219 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-enter-leave.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-enter-leave.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief ARMV7M Interrupt Service Enter and Leave
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Interrupt_service_enter() and _ARMV7M_Interrupt_service_leave().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-isr-level-get.c b/cpukit/score/cpu/arm/armv7m-isr-level-get.c
index d597e3bf3d..cc2b674e13 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-level-get.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-level-get.c
@@ -1,9 +1,11 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU Get ISR Level
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of _CPU_ISR_Get_level().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-isr-level-set.c b/cpukit/score/cpu/arm/armv7m-isr-level-set.c
index 01835075fb..72c9684025 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-level-set.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-level-set.c
@@ -1,9 +1,11 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU Set ISR Level
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of _CPU_ISR_Set_level().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-isr-vector-install.c b/cpukit/score/cpu/arm/armv7m-isr-vector-install.c
index 1616577895..c1e9eb70cb 100644
--- a/cpukit/score/cpu/arm/armv7m-isr-vector-install.c
+++ b/cpukit/score/cpu/arm/armv7m-isr-vector-install.c
@@ -1,9 +1,12 @@
/* SPDX-License-Identifier: BSD-2-Clause */
/**
- * @file
+ * @file
*
- * @brief CPU ISR Vector Install
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _CPU_ISR_install_vector().
*/
/*
diff --git a/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c b/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
index ffd21772a8..a9b59dec84 100644
--- a/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
+++ b/cpukit/score/cpu/arm/armv7m-multitasking-start-stop.c
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARMV7M Start Multitasking
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This source file contains the implementation of
+ * _ARMV7M_Start_multitasking().
*/
/*
diff --git a/cpukit/score/cpu/arm/cpu.c b/cpukit/score/cpu/arm/cpu.c
index b2cc6039b0..c27f4de9f9 100644
--- a/cpukit/score/cpu/arm/cpu.c
+++ b/cpukit/score/cpu/arm/cpu.c
@@ -5,7 +5,10 @@
*
* @ingroup RTEMSScoreCPUARM
*
- * @brief ARM architecture support implementation.
+ * @brief This source file contains static assertions to ensure the consistency
+ * of interfaces used in C and assembler and it contains the ARM-specific
+ * implementation of _CPU_Initialize(), _CPU_ISR_Get_level(),
+ * _CPU_ISR_Set_level(), _CPU_Context_Initialize(), and _CPU_Fatal_halt().
*/
/*
@@ -17,7 +20,7 @@
*
* Copyright (c) 2007 Ray xu <rayx.cn@gmail.com>
*
- * Copyright (c) 2009, 2017 embedded brains GmbH
+ * Copyright (C) 2009, 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -56,13 +59,11 @@
);
#endif
-#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
- RTEMS_STATIC_ASSERT(
- offsetof( Context_Control, thread_id )
- == ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET,
- ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET
- );
-#endif
+RTEMS_STATIC_ASSERT(
+ offsetof( Context_Control, thread_id )
+ == ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET,
+ ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET
+);
#ifdef ARM_MULTILIB_ARCH_V4
RTEMS_STATIC_ASSERT(
@@ -118,13 +119,10 @@ void _CPU_Context_Initialize(
the_context->register_sp = (uint32_t) stack_area_begin + stack_area_size;
the_context->register_lr = (uint32_t) entry_point;
the_context->isr_dispatch_disable = 0;
-
-#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
the_context->thread_id = (uint32_t) tls_area;
-#endif
if ( tls_area != NULL ) {
- _TLS_TCB_at_area_begin_initialize( tls_area );
+ the_context->thread_id = (uint32_t) _TLS_Initialize_area( tls_area );
}
}
@@ -161,31 +159,6 @@ uint32_t _CPU_ISR_Get_level( void )
return ( level & ARM_PSR_I ) != 0;
}
-void _CPU_ISR_install_vector(
- uint32_t vector,
- CPU_ISR_handler new_handler,
- CPU_ISR_handler *old_handler
-)
-{
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Warray-bounds"
- /* Redirection table starts at the end of the vector table */
- CPU_ISR_handler volatile *table = (CPU_ISR_handler *) (MAX_EXCEPTIONS * 4);
-
- CPU_ISR_handler current_handler = table [vector];
-
- /* The current handler is now the old one */
- if (old_handler != NULL) {
- *old_handler = current_handler;
- }
-
- /* Write only if necessary to avoid writes to a maybe read-only memory */
- if (current_handler != new_handler) {
- table [vector] = new_handler;
- }
-#pragma GCC diagnostic pop
-}
-
void _CPU_Initialize( void )
{
/* Do nothing */
diff --git a/cpukit/score/cpu/arm/cpu_asm.S b/cpukit/score/cpu/arm/cpu_asm.S
index d52a43f70d..87bbfc4f01 100644
--- a/cpukit/score/cpu/arm/cpu_asm.S
+++ b/cpukit/score/cpu/arm/cpu_asm.S
@@ -21,7 +21,7 @@
* COPYRIGHT (c) 2000 Canon Research Centre France SA.
* Emmanuel Raguet, mailto:raguet@crf.canon.fr
*
- * Copyright (c) 2013, 2017 embedded brains GmbH
+ * Copyright (C) 2013, 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h b/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
index 1e707191cf..c239eaccc8 100644
--- a/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
+++ b/cpukit/score/cpu/arm/include/libcpu/arm-cp15.h
@@ -10,7 +10,7 @@
/*
* Copyright (c) 2013 Hesham AL-Matary
- * Copyright (c) 2009-2017 embedded brains GmbH. All rights reserved.
+ * Copyright (C) 2009, 2017 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -1309,15 +1309,17 @@ arm_cp15_data_cache_test_and_clean(void)
);
}
-/* In DDI0301H_arm1176jzfs_r0p7_trm
- * 'MCR p15, 0, <Rd>, c7, c14, 0' means
- * Clean and Invalidate Entire Data Cache
- */
ARM_CP15_TEXT_SECTION static inline void
arm_cp15_data_cache_clean_and_invalidate(void)
{
ARM_SWITCH_REGISTERS;
+#if __ARM_ARCH >= 6
+ /*
+ * In DDI0301H_arm1176jzfs_r0p7_trm
+ * 'MCR p15, 0, <Rd>, c7, c14, 0' means
+ * Clean and Invalidate Entire Data Cache
+ */
uint32_t sbz = 0;
__asm__ volatile (
@@ -1328,6 +1330,22 @@ arm_cp15_data_cache_clean_and_invalidate(void)
: [sbz] "r" (sbz)
: "memory"
);
+#else
+ /*
+ * Assume this is an ARM926EJ-S. Use the test, clean, and invalidate DCache
+ * operation.
+ */
+ __asm__ volatile (
+ ARM_SWITCH_TO_ARM
+ "1:\n"
+ "mrc p15, 0, r15, c7, c14, 3\n"
+ "bne 1b\n"
+ ARM_SWITCH_BACK
+ : ARM_SWITCH_OUTPUT
+ :
+ : "memory"
+ );
+#endif
}
ARM_CP15_TEXT_SECTION static inline void
diff --git a/cpukit/score/cpu/arm/include/rtems/asm.h b/cpukit/score/cpu/arm/include/rtems/asm.h
index 0bbe43c837..9f676e40ab 100644
--- a/cpukit/score/cpu/arm/include/rtems/asm.h
+++ b/cpukit/score/cpu/arm/include/rtems/asm.h
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARM Assembler Support API
+ * @ingroup RTEMSScoreCPUARMASM
+ *
+ * @brief This header file provides interfaces to address problems caused by
+ * incompatible flavor of assemblers and toolsets.
*
* This include file attempts to address the problems
* caused by incompatible flavors of assemblers and
@@ -86,15 +89,13 @@
#define __REGISTER_PREFIX__
#endif
-#include <rtems/concat.h>
-
/* Use the right prefix for global labels. */
-#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x)
+#define SYM(x) RTEMS_XCONCAT(__USER_LABEL_PREFIX__, x)
/* Use the right prefix for registers. */
-#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x)
+#define REG(x) RTEMS_XCONCAT(__REGISTER_PREFIX__, x)
/*
* define macros for all of the registers on this CPU
diff --git a/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h b/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h
index d7244138ca..36541a97aa 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h
@@ -10,7 +10,7 @@
*/
/*
- * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 2020 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h b/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h
index 2c532ca669..5af0921547 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h
@@ -10,7 +10,7 @@
*/
/*
- * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
+ * Copyright (C) 2020 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
diff --git a/cpukit/score/cpu/arm/include/rtems/score/arm.h b/cpukit/score/cpu/arm/include/rtems/score/arm.h
index 67fa579e67..650c48d55f 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/arm.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/arm.h
@@ -72,7 +72,8 @@ extern "C" {
#ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE
#if defined(__ARM_ARCH_7A__) \
|| defined(__ARM_ARCH_7R__) \
- || __ARM_ARCH >= 8
+ || __ARM_ARCH >= 8 \
+ || __ARM_ARCH == 6
#define ARM_MULTILIB_HAS_THREAD_ID_REGISTER
#endif
#endif
diff --git a/cpukit/score/cpu/arm/include/rtems/score/armv4.h b/cpukit/score/cpu/arm/include/rtems/score/armv4.h
index 7f40fb66ce..1d3a6de5ff 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/armv4.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/armv4.h
@@ -1,7 +1,16 @@
/* SPDX-License-Identifier: BSD-2-Clause */
+/**
+ * @file
+ *
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This header file provides interfaces of the ARMv4 architecture
+ * support.
+ */
+
/*
- * Copyright (c) 2013 embedded brains GmbH. All rights reserved.
+ * Copyright (c) 2013 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -34,6 +43,12 @@
extern "C" {
#endif /* __cplusplus */
+/**
+ * @addtogroup RTEMSScoreCPUARM
+ *
+ * @{
+ */
+
#ifdef ARM_MULTILIB_ARCH_V4
void bsp_interrupt_dispatch( void );
@@ -104,6 +119,8 @@ static inline void _ARMV4_Status_restore( uint32_t psr )
#endif /* ARM_MULTILIB_ARCH_V4 */
+/** @} */
+
#ifdef __cplusplus
}
#endif /* __cplusplus */
diff --git a/cpukit/score/cpu/arm/include/rtems/score/armv7m.h b/cpukit/score/cpu/arm/include/rtems/score/armv7m.h
index 10b3955671..7fa48b3aa5 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/armv7m.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/armv7m.h
@@ -3,7 +3,10 @@
/**
* @file
*
- * @brief ARMV7M Architecture Support
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This header file provides interfaces of the ARMv7-M architecture
+ * support.
*/
/*
@@ -156,8 +159,19 @@ typedef struct {
#define ARMV7M_SCB_SHCSR_MEMFAULTENA (1U << 16)
uint32_t shcsr;
+#define ARMV7M_SCB_CFSR_MMFSR_MASK 0xff
+#define ARMV7M_SCB_CFSR_MMFSR_GET(n) (n & ARMV7M_SCB_CFSR_MMFSR_MASK)
+#define ARMV7M_SCB_CFSR_BFSR_MASK 0xff00
+#define ARMV7M_SCB_CFSR_BFSR_GET(n) (n & ARMV7M_SCB_CFSR_BFSR_MASK)
+#define ARMV7M_SCB_CFSR_UFSR_MASK 0xffff0000
+#define ARMV7M_SCB_CFSR_UFSR_GET(n) (n & ARMV7M_SCB_CFSR_UFSR_MASK)
uint32_t cfsr;
+
+#define ARMV7M_SCB_HFSR_VECTTBL_MASK 0x2
+#define ARMV7M_SCB_HFSR_FORCED_MASK (1U << 30)
+#define ARMV7M_SCB_HFSR_DEBUGEVT_MASK (1U << 31)
uint32_t hfsr;
+
uint32_t dfsr;
uint32_t mmfar;
uint32_t bfar;
@@ -691,6 +705,7 @@ static inline void _ARMV7M_MPU_Disable_region(
}
static inline void _ARMV7M_MPU_Setup(
+ uint32_t ctrl,
const ARMV7M_MPU_Region_config *cfg,
size_t cfg_count
)
@@ -726,7 +741,7 @@ static inline void _ARMV7M_MPU_Setup(
_ARMV7M_MPU_Disable_region(mpu, region);
}
- mpu->ctrl = ARMV7M_MPU_CTRL_ENABLE | ARMV7M_MPU_CTRL_PRIVDEFENA;
+ mpu->ctrl = ctrl;
scb->shcsr |= ARMV7M_SCB_SHCSR_MEMFAULTENA;
_ARM_Data_synchronization_barrier();
diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpu.h b/cpukit/score/cpu/arm/include/rtems/score/cpu.h
index 7ac180ac26..a462b48cf1 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/cpu.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/cpu.h
@@ -3,14 +3,17 @@
/**
* @file
*
- * @brief ARM Architecture Support API
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This header file defines implementation interfaces pertaining to the
+ * port of the executive to the ARM architecture.
*/
/*
* This include file contains information pertaining to the ARM
* processor.
*
- * Copyright (c) 2009, 2017 embedded brains GmbH
+ * Copyright (C) 2009, 2017 embedded brains GmbH & Co. KG
*
* Copyright (c) 2007 Ray Xu <Rayx.cn@gmail.com>
*
@@ -176,9 +179,7 @@
#define CPU_MAXIMUM_PROCESSORS 32
-#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
- #define ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET 44
-#endif
+#define ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET 44
#ifdef ARM_MULTILIB_VFP
#define ARM_CONTEXT_CONTROL_D8_OFFSET 48
@@ -191,10 +192,8 @@
#ifdef RTEMS_SMP
#if defined(ARM_MULTILIB_VFP)
#define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 112
- #elif defined(ARM_MULTILIB_HAS_THREAD_ID_REGISTER)
- #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 48
#else
- #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 44
+ #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 48
#endif
#endif
@@ -240,9 +239,7 @@ typedef struct {
#else
void *register_sp;
#endif
-#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER
uint32_t thread_id;
-#endif
#ifdef ARM_MULTILIB_VFP
uint64_t register_d8;
uint64_t register_d9;
@@ -402,7 +399,7 @@ static inline void arm_interrupt_flash( uint32_t level )
#define _CPU_ISR_Flash( _isr_cookie ) \
arm_interrupt_flash( _isr_cookie )
-RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled( uint32_t level )
+static inline bool _CPU_ISR_Is_enabled( uint32_t level )
{
#if defined(ARM_MULTILIB_ARCH_V4)
return ( level & 0x80 ) == 0;
@@ -574,14 +571,6 @@ uint32_t _CPU_Counter_frequency( void );
CPU_Counter_ticks _CPU_Counter_read( void );
-static inline CPU_Counter_ticks _CPU_Counter_difference(
- CPU_Counter_ticks second,
- CPU_Counter_ticks first
-)
-{
- return second - first;
-}
-
void *_CPU_Thread_Idle_body( uintptr_t ignored );
#if defined(ARM_MULTILIB_ARCH_V4)
@@ -596,7 +585,7 @@ typedef enum {
ARM_EXCEPTION_IRQ = 6,
ARM_EXCEPTION_FIQ = 7,
MAX_EXCEPTIONS = 8,
- ARM_EXCEPTION_MAKE_ENUM_32_BIT = 0xffffffff
+ ARM_EXCEPTION_MAKE_ENUM_32_BIT = 0x7fffffff
} Arm_symbolic_exception_name;
#endif /* defined(ARM_MULTILIB_ARCH_V4) */
diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h b/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h
deleted file mode 100644
index 01bb99cda3..0000000000
--- a/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* SPDX-License-Identifier: BSD-2-Clause */
-
-/*
- * COPYRIGHT (c) 2012-2013 Deng Hengyi.
- *
- * 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.
- *
- * 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 _RTEMS_SCORE_ATOMIC_CPU_H
-#define _RTEMS_SCORE_ATOMIC_CPU_H
-
-#include <rtems/score/cpustdatomic.h>
-
-#endif /* _RTEMS_SCORE_ATOMIC_CPU_H */
diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h b/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h
index 4f20113b71..04d23f0ea7 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h
@@ -3,11 +3,14 @@
/**
* @file
*
- * @brief CPU Port Implementation API
+ * @ingroup RTEMSScoreCPUARM
+ *
+ * @brief This header file defines implementation interfaces pertaining to the
+ * port of the executive to the ARM architecture.
*/
/*
- * Copyright (c) 2013, 2016 embedded brains GmbH
+ * Copyright (C) 2013, 2016 embedded brains GmbH & Co. KG
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -60,6 +63,8 @@
#endif /* ARM_MULTILIB_ARCH_V4 */
+#define CPU_THREAD_LOCAL_STORAGE_VARIANT 11
+
#ifndef ASM
#ifdef __cplusplus
@@ -150,17 +155,17 @@ void _CPU_Context_volatile_clobber( uintptr_t pattern );
void _CPU_Context_validate( uintptr_t pattern );
-RTEMS_INLINE_ROUTINE void _CPU_Instruction_illegal( void )
+static inline void _CPU_Instruction_illegal( void )
{
__asm__ volatile ( "udf" );
}
-RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void )
+static inline void _CPU_Instruction_no_operation( void )
{
__asm__ volatile ( "nop" );
}
-RTEMS_INLINE_ROUTINE void _CPU_Use_thread_local_storage(
+static inline void _CPU_Use_thread_local_storage(
const Context_Control *context
)
{
@@ -173,6 +178,13 @@ RTEMS_INLINE_ROUTINE void _CPU_Use_thread_local_storage(
#endif
}
+static inline void *_CPU_Get_TLS_thread_pointer(
+ const Context_Control *context
+)
+{
+ return (void *) context->thread_id;
+}
+
#ifdef __cplusplus
}
#endif
diff --git a/cpukit/score/cpu/arm/include/rtems/score/paravirt.h b/cpukit/score/cpu/arm/include/rtems/score/paravirt.h
index e3fb9009ad..4aa98499ad 100644
--- a/cpukit/score/cpu/arm/include/rtems/score/paravirt.h
+++ b/cpukit/score/cpu/arm/include/rtems/score/paravirt.h
@@ -3,10 +3,10 @@
/**
* @file
*
- * @brief ARM Paravirtualization Definitions
+ * @ingroup RTEMSScoreCPUARMParavirt
*
- * This include file contains definitions pertaining to paravirtualization
- * of the ARM port.
+ * @brief This header file provides definitions pertaining to
+ * paravirtualization of the ARM port.
*/
/*