More GHS stuff.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10666 35acf78f-673a-0410-8e92-d51de3d6d3f4

4 files changed, 501 insertions, 0 deletions

diff --git a/os/common/ports/e200/compilers/GHS/chcoreasm.s b/os/common/ports/e200/compilers/GHS/chcoreasm.s
new file mode 100644
index 000000000..36324be2f
--- /dev/null
+++ b/os/common/ports/e200/compilers/GHS/chcoreasm.s
@@ -0,0 +1,113 @@
+/*

+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS 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 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    e200/compilers/GHS/chcoreasm.S

+ * @brief   Power Architecture port low level code.

+ *

+ * @addtogroup PPC_GHS_CORE

+ * @{

+ */

+

+/*===========================================================================*/

+/* Module constants.                                                         */

+/*===========================================================================*/

+

+#if !defined(FALSE) || defined(__DOXYGEN__)

+#define FALSE                               0

+#endif

+

+#if !defined(TRUE) || defined(__DOXYGEN__)

+#define TRUE                                1

+#endif

+

+/*===========================================================================*/

+/* Code section.                                                             */

+/*===========================================================================*/

+

+#define _FROM_ASM_

+#include "chlicense.h"

+#include "chconf.h"

+#include "chcore.h"

+

+#if !defined(__DOXYGEN__)

+

+/*

+ * RTOS-specific context offset.

+ */

+#if defined(_CHIBIOS_RT_CONF_)

+#define CONTEXT_OFFSET  12

+#elif defined(_CHIBIOS_NIL_CONF_)

+#define CONTEXT_OFFSET  0

+#else

+#error "invalid chconf.h"

+#endif

+

+        .vle

+

+        .section    .text_vle, "axv"

+

+        .align		2

+        .globl      _port_switch

+        .type       _port_switch, @function

+_port_switch:

+        e_subi      sp, sp, 80

+        mflr        r0

+        e_stw       r0, 84(sp)

+        mfcr        r0

+        se_stw      r0, 0(sp)

+        e_stmw      r14, 4(sp)

+

+        se_stw      sp, CONTEXT_OFFSET(r4)

+        se_lwz      sp, CONTEXT_OFFSET(r3)

+

+        e_lmw       r14, 4(sp)

+        se_lwz      r0, 0(sp)

+        mtcr        r0

+        e_lwz       r0, 84(sp)

+        mtlr        r0

+        e_addi      sp, sp, 80

+        se_blr

+

+        .align      2

+        .globl      _port_thread_start

+        .type       _port_thread_start, @function

+_port_thread_start:

+#if CH_DBG_SYSTEM_STATE_CHECK

+        e_bl        _dbg_check_unlock

+#endif

+#if CH_DBG_STATISTICS

+        e_bl        _stats_stop_measure_crit_thd

+#endif

+        wrteei      1

+        mr          r3, r31

+        mtctr       r30

+        se_bctrl

+#if defined(_CHIBIOS_RT_CONF_)

+        e_li        r0, 0

+        e_bl        chThdExit

+#endif

+#if defined(_CHIBIOS_NIL_CONF_)

+        se_li       r0, 0

+        e_bl        chSysHalt

+#endif

+

+#endif /* !defined(__DOXYGEN__) */

+

+/** @} */

diff --git a/os/common/ports/e200/compilers/GHS/chtypes.h b/os/common/ports/e200/compilers/GHS/chtypes.h
new file mode 100644
index 000000000..20a601e93
--- /dev/null
+++ b/os/common/ports/e200/compilers/GHS/chtypes.h
@@ -0,0 +1,115 @@
+/*

+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS 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 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    e200/compilers/GCC/chtypes.h

+ * @brief   Power e200 port system types.

+ *

+ * @addtogroup PPC_GCC_CORE

+ * @{

+ */

+

+#ifndef CHTYPES_H

+#define CHTYPES_H

+

+#include <stddef.h>

+#include <stdint.h>

+#include <stdbool.h>

+

+/**

+ * @name    Common constants

+ */

+/**

+ * @brief   Generic 'false' boolean constant.

+ */

+#if !defined(FALSE) || defined(__DOXYGEN__)

+#define FALSE               0

+#endif

+

+/**

+ * @brief   Generic 'true' boolean constant.

+ */

+#if !defined(TRUE) || defined(__DOXYGEN__)

+#define TRUE                1

+#endif

+/** @} */

+

+/**

+ * @name    Kernel types

+ * @{

+ */

+typedef uint32_t            rtcnt_t;        /**< Realtime counter.          */

+typedef uint64_t            rttime_t;       /**< Realtime accumulator.      */

+typedef uint32_t            syssts_t;       /**< System status word.        */

+typedef uint8_t             tmode_t;        /**< Thread flags.              */

+typedef uint8_t             tstate_t;       /**< Thread state.              */

+typedef uint8_t             trefs_t;        /**< Thread references counter. */

+typedef uint8_t             tslices_t;      /**< Thread time slices counter.*/

+typedef uint32_t            tprio_t;        /**< Thread priority.           */

+typedef int32_t             msg_t;          /**< Inter-thread message.      */

+typedef int32_t             eventid_t;      /**< Numeric event identifier.  */

+typedef uint32_t            eventmask_t;    /**< Mask of event identifiers. */

+typedef uint32_t            eventflags_t;   /**< Mask of event flags.       */

+typedef int32_t             cnt_t;          /**< Generic signed counter.    */

+typedef uint32_t            ucnt_t;         /**< Generic unsigned counter.  */

+/** @} */

+

+/**

+ * @brief   ROM constant modifier.

+ * @note    It is set to use the "const" keyword in this port.

+ */

+#define ROMCONST            const

+

+/**

+ * @brief   Makes functions not inlineable.

+ * @note    If the compiler does not support such attribute then some

+ *          time-dependent services could be degraded.

+ */

+#define NOINLINE            __attribute__((noinline))

+

+/**

+ * @brief   Optimized thread function declaration macro.

+ */

+#define PORT_THD_FUNCTION(tname, arg) void tname(void *arg)

+

+/**

+ * @brief   Packed variable specifier.

+ */

+#define PACKED_VAR          __attribute__((packed))

+

+/**

+ * @brief   Memory alignment enforcement for variables.

+ */

+#define ALIGNED_VAR(n)      __attribute__((aligned(n)))

+

+/**

+ * @brief   Size of a pointer.

+ * @note    To be used where the sizeof operator cannot be used, preprocessor

+ *          expressions for example.

+ */

+#define SIZEOF_PTR          4

+

+/**

+ * @brief   True if alignment is low-high in current architecture.

+ */

+#define REVERSE_ORDER       0

+

+#endif /* CHTYPES_H */

+

+/** @} */

diff --git a/os/common/ports/e200/compilers/GHS/ivor.s b/os/common/ports/e200/compilers/GHS/ivor.s
new file mode 100644
index 000000000..01aaceed6
--- /dev/null
+++ b/os/common/ports/e200/compilers/GHS/ivor.s
@@ -0,0 +1,265 @@
+/*

+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.

+

+    This file is part of ChibiOS.

+

+    ChibiOS 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 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    e200/compilers/GHS/ivor.S

+ * @brief   Kernel ISRs.

+ *

+ * @addtogroup PPC_GHS_CORE

+ * @{

+ */

+

+#if !defined(FALSE) || defined(__DOXYGEN__)

+#define FALSE   0

+#endif

+

+#if !defined(TRUE) || defined(__DOXYGEN__)

+#define TRUE    1

+#endif

+

+/*

+ * Imports the PPC configuration headers.

+ */

+#define _FROM_ASM_

+#include "chlicense.h"

+#include "chconf.h"

+#include "chcore.h"

+

+#if defined(__HIGHTEC__)

+#define se_beq beq

+#endif

+

+#if !defined(__DOXYGEN__)

+

+        .vle

+

+        .section    .handlers, "axv"

+

+#if PPC_SUPPORTS_DECREMENTER

+        /*

+         * _IVOR10 handler (Book-E decrementer).

+         */

+        .align      4

+        .globl      _IVOR10

+        .type       _IVOR10, @function

+_IVOR10:

+        /* Saving the external context (port_extctx structure).*/

+        e_stwu       sp, -80(sp)

+#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI

+        e_stmvsrrw  8(sp)                  /* Saves PC, MSR.               */

+        e_stmvsprw  16(sp)                 /* Saves CR, LR, CTR, XER.      */

+        e_stmvgprw  32(sp)                 /* Saves GPR0, GPR3...GPR12.    */

+#else /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+        se_stw      r0, 32(sp)             /* Saves GPR0.                  */

+        mfSRR0      r0

+        se_stw      r0, 8(sp)              /* Saves PC.                    */

+        mfSRR1      r0

+        se_stw      r0, 12(sp)             /* Saves MSR.                   */

+        mfCR        r0

+        se_stw      r0, 16(sp)             /* Saves CR.                    */

+        mfLR        r0

+        se_stw      r0, 20(sp)             /* Saves LR.                    */

+        mfCTR       r0

+        se_stw      r0, 24(sp)             /* Saves CTR.                   */

+        mfXER       r0

+        se_stw      r0, 28(sp)             /* Saves XER.                   */

+        se_stw      r3, 36(sp)             /* Saves GPR3...GPR12.          */

+        se_stw      r4, 40(sp)

+        se_stw      r5, 44(sp)

+        se_stw      r6, 48(sp)

+        se_stw      r7, 52(sp)

+        e_stw       r8, 56(sp)

+        e_stw       r9, 60(sp)

+        e_stw       r10, 64(sp)

+        e_stw       r11, 68(sp)

+        e_stw       r12, 72(sp)

+#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+

+        /* Increasing the SPGR0 register.*/

+        mfspr       r0, 272

+        se_addi     r0, 1

+        mtspr       272, r0

+

+        /* Reset DIE bit in TSR register.*/

+        e_lis       r3, 0x0800             /* DIS bit mask.                */

+        mtspr       336, r3                /* TSR register.                */

+

+        /* Restoring pre-IRQ MSR register value.*/

+        mfSRR1      r0

+#if !PPC_USE_IRQ_PREEMPTION

+        /* No preemption, keeping EE disabled.*/

+        se_bclri    r0, 16                 /* EE = bit 16.                 */

+#endif

+        mtMSR       r0

+

+#if CH_DBG_SYSTEM_STATE_CHECK

+        e_bl        _dbg_check_enter_isr

+        e_bl        _dbg_check_lock_from_isr

+#endif

+        /* System tick handler invocation.*/

+        e_bl        chSysTimerHandlerI

+#if CH_DBG_SYSTEM_STATE_CHECK

+        e_bl        _dbg_check_unlock_from_isr

+        e_bl        _dbg_check_leave_isr

+#endif

+

+#if PPC_USE_IRQ_PREEMPTION

+        /* Prevents preemption again.*/

+        wrteei      0

+#endif

+

+        /* Jumps to the common IVOR epilogue code.*/

+        e_b         _ivor_exit

+#endif /* PPC_SUPPORTS_DECREMENTER */

+

+        /*

+         * _IVOR4 handler (Book-E external interrupt).

+         */

+        .align      4

+        .globl      _IVOR4

+        .type       _IVOR4, @function

+_IVOR4:

+        /* Saving the external context (port_extctx structure).*/

+        e_stwu      sp, -80(sp)

+#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI

+        e_stmvsrrw  8(sp)                  /* Saves PC, MSR.               */

+        e_stmvsprw  16(sp)                 /* Saves CR, LR, CTR, XER.      */

+        e_stmvgprw  32(sp)                 /* Saves GPR0, GPR3...GPR12.    */

+#else /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+        se_stw      r0, 32(sp)             /* Saves GPR0.                  */

+        mfSRR0      r0

+        se_stw      r0, 8(sp)              /* Saves PC.                    */

+        mfSRR1      r0

+        se_stw      r0, 12(sp)             /* Saves MSR.                   */

+        mfCR        r0

+        se_stw      r0, 16(sp)             /* Saves CR.                    */

+        mfLR        r0

+        se_stw      r0, 20(sp)             /* Saves LR.                    */

+        mfCTR       r0

+        se_stw      r0, 24(sp)             /* Saves CTR.                   */

+        mfXER       r0

+        se_stw      r0, 28(sp)             /* Saves XER.                   */

+        se_stw      r3, 36(sp)             /* Saves GPR3...GPR12.          */

+        se_stw      r4, 40(sp)

+        se_stw      r5, 44(sp)

+        se_stw      r6, 48(sp)

+        se_stw      r7, 52(sp)

+        e_stw       r8, 56(sp)

+        e_stw       r9, 60(sp)

+        e_stw       r10, 64(sp)

+        e_stw       r11, 68(sp)

+        e_stw       r12, 72(sp)

+#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+

+        /* Increasing the SPGR0 register.*/

+        mfspr       r0, 272

+        se_addi     r0, 1

+        mtspr       272, r0

+

+        /* Software vector address from the INTC register.*/

+        e_lis       r3, INTC_IACKR_ADDR@h

+        e_or2i      r3, INTC_IACKR_ADDR@l   /* IACKR register address.      */

+        e_lwz       r3, 0(r3)               /* IACKR register value.        */

+        e_lwz       r3, 0(r3)

+        mtCTR       r3                      /* Software handler address.    */

+

+        /* Restoring pre-IRQ MSR register value.*/

+        mfSRR1      r0

+#if !PPC_USE_IRQ_PREEMPTION

+        /* No preemption, keeping EE disabled.*/

+        se_bclri    r0, 16                  /* EE = bit 16.                 */

+#endif

+        mtMSR       r0

+

+        /* Exectes the software handler.*/

+        se_bctrl

+

+#if PPC_USE_IRQ_PREEMPTION

+        /* Prevents preemption again.*/

+        wrteei      0

+#endif

+

+        /* Informs the INTC that the interrupt has been served.*/

+        mbar        0

+        e_lis       r3, INTC_EOIR_ADDR@h

+        e_or2i      r3, INTC_EOIR_ADDR@l

+        se_stw      r3, 0(r3)               /* Writing any value should do. */

+

+        /* Common IVOR epilogue code, context restore.*/

+        .globl      _ivor_exit

+_ivor_exit:

+        /* Decreasing the SPGR0 register.*/

+        mfspr       r0, 272

+        se_subi     r0, 1

+        mtspr       272, r0

+

+#if CH_DBG_STATISTICS

+        e_bl        _stats_start_measure_crit_thd

+#endif

+#if CH_DBG_SYSTEM_STATE_CHECK

+        e_bl        _dbg_check_lock

+#endif

+        e_bl        chSchIsPreemptionRequired

+        se_cmpi     r3, 0

+        se_beq      .noresch

+        e_bl        chSchDoReschedule

+.noresch:

+#if CH_DBG_SYSTEM_STATE_CHECK

+        e_bl        _dbg_check_unlock

+#endif

+#if CH_DBG_STATISTICS

+        e_bl        _stats_stop_measure_crit_thd

+#endif

+

+        /* Restoring the external context.*/

+#if PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI

+        e_lmvgprw   32(sp)                 /* Restores GPR0, GPR3...GPR12. */

+        e_lmvsprw   16(sp)                 /* Restores CR, LR, CTR, XER.   */

+        e_lmvsrrw   8(sp)                  /* Restores PC, MSR.            */

+#else /*!(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+        se_lwz      r3, 36(sp)             /* Restores GPR3...GPR12.       */

+        se_lwz      r4, 40(sp)

+        se_lwz      r5, 44(sp)

+        se_lwz      r6, 48(sp)

+        se_lwz      r7, 52(sp)

+        e_lwz       r8, 56(sp)

+        e_lwz       r9, 60(sp)

+        e_lwz       r10, 64(sp)

+        e_lwz       r11, 68(sp)

+        e_lwz       r12, 72(sp)

+        se_lwz      r0, 8(sp)

+        mtSRR0      r0                     /* Restores PC.                 */

+        se_lwz      r0, 12(sp)

+        mtSRR1      r0                     /* Restores MSR.                */

+        se_lwz      r0, 16(sp)

+        mtCR        r0                     /* Restores CR.                 */

+        se_lwz      r0, 20(sp)

+        mtLR        r0                     /* Restores LR.                 */

+        se_lwz      r0, 24(sp)

+        mtCTR       r0                     /* Restores CTR.                */

+        se_lwz      r0, 28(sp)

+        mtXER       r0                     /* Restores XER.                */

+        se_lwz         r0, 32(sp)             /* Restores GPR0.               */

+#endif /* !(PPC_USE_VLE && PPC_SUPPORTS_VLE_MULTI) */

+        e_addi      sp, sp, 80             /* Back to the previous frame.  */

+        se_rfi

+

+#endif /* !defined(__DOXYGEN__) */

+

+/** @} */

diff --git a/os/common/ports/e200/compilers/GHS/mk/port.mk b/os/common/ports/e200/compilers/GHS/mk/port.mk
new file mode 100644
index 000000000..8bab3110b
--- /dev/null
+++ b/os/common/ports/e200/compilers/GHS/mk/port.mk
@@ -0,0 +1,8 @@
+# List of the ChibiOS/RT e200 generic port files.

+PORTSRC = $(CHIBIOS)/os/common/ports/e200/chcore.c

+          

+PORTASM = $(CHIBIOS)/os/common/ports/e200/compilers/GHS/ivor.s \

+          $(CHIBIOS)/os/common/ports/e200/compilers/GHS/chcoreasm.s

+

+PORTINC = $(CHIBIOS)/os/common/ports/e200 \

+          $(CHIBIOS)/os/common/ports/e200/compilers/GHS