git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6491 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2013-11-19 10:58:58 +00:00
parent 9135ca04f8
commit d0ba38d9ee
6 changed files with 781 additions and 142 deletions

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@ -39,385 +39,385 @@
.globl _vectors
_vectors:
.long vector0, vector1, vector2, vector3
#if PPC_VECTORS_NUMBER > 4
#if PPC_NUM_VECTORS > 4
.long vector4, vector5, vector6, vector7
#endif
#if PPC_VECTORS_NUMBER > 8
#if PPC_NUM_VECTORS > 8
.long vector8, vector9, vector10, vector11
#endif
#if PPC_VECTORS_NUMBER > 12
#if PPC_NUM_VECTORS > 12
.long vector12, vector13, vector14, vector15
#endif
#if PPC_VECTORS_NUMBER > 16
#if PPC_NUM_VECTORS > 16
.long vector16, vector17, vector18, vector19
#endif
#if PPC_VECTORS_NUMBER > 20
#if PPC_NUM_VECTORS > 20
.long vector20, vector21, vector22, vector23
#endif
#if PPC_VECTORS_NUMBER > 24
#if PPC_NUM_VECTORS > 24
.long vector24, vector25, vector26, vector27
#endif
#if PPC_VECTORS_NUMBER > 28
#if PPC_NUM_VECTORS > 28
.long vector28, vector29, vector30, vector31
#endif
#if PPC_VECTORS_NUMBER > 32
#if PPC_NUM_VECTORS > 32
.long vector32, vector33, vector34, vector35
#endif
#if PPC_VECTORS_NUMBER > 36
#if PPC_NUM_VECTORS > 36
.long vector36, vector37, vector38, vector39
#endif
#if PPC_VECTORS_NUMBER > 40
#if PPC_NUM_VECTORS > 40
.long vector40, vector41, vector42, vector43
#endif
#if PPC_VECTORS_NUMBER > 44
#if PPC_NUM_VECTORS > 44
.long vector44, vector45, vector46, vector47
#endif
#if PPC_VECTORS_NUMBER > 48
#if PPC_NUM_VECTORS > 48
.long vector48, vector49, vector50, vector51
#endif
#if PPC_VECTORS_NUMBER > 52
#if PPC_NUM_VECTORS > 52
.long vector52, vector53, vector54, vector55
#endif
#if PPC_VECTORS_NUMBER > 56
#if PPC_NUM_VECTORS > 56
.long vector56, vector57, vector58, vector59
#endif
#if PPC_VECTORS_NUMBER > 60
#if PPC_NUM_VECTORS > 60
.long vector60, vector61, vector62, vector63
#endif
#if PPC_VECTORS_NUMBER > 64
#if PPC_NUM_VECTORS > 64
.long vector64, vector65, vector66, vector67
#endif
#if PPC_VECTORS_NUMBER > 68
#if PPC_NUM_VECTORS > 68
.long vector68, vector69, vector70, vector71
#endif
#if PPC_VECTORS_NUMBER > 72
#if PPC_NUM_VECTORS > 72
.long vector72, vector73, vector74, vector75
#endif
#if PPC_VECTORS_NUMBER > 76
#if PPC_NUM_VECTORS > 76
.long vector76, vector77, vector78, vector79
#endif
#if PPC_VECTORS_NUMBER > 80
#if PPC_NUM_VECTORS > 80
.long vector80, vector81, vector82, vector83
#endif
#if PPC_VECTORS_NUMBER > 84
#if PPC_NUM_VECTORS > 84
.long vector84, vector85, vector86, vector87
#endif
#if PPC_VECTORS_NUMBER > 88
#if PPC_NUM_VECTORS > 88
.long vector88, vector89, vector90, vector91
#endif
#if PPC_VECTORS_NUMBER > 92
#if PPC_NUM_VECTORS > 92
.long vector92, vector93, vector94, vector95
#endif
#if PPC_VECTORS_NUMBER > 96
#if PPC_NUM_VECTORS > 96
.long vector96, vector97, vector98, vector99
#endif
#if PPC_VECTORS_NUMBER > 100
#if PPC_NUM_VECTORS > 100
.long vector100, vector101, vector102, vector103
#endif
#if PPC_VECTORS_NUMBER > 104
#if PPC_NUM_VECTORS > 104
.long vector104, vector105, vector106, vector107
#endif
#if PPC_VECTORS_NUMBER > 108
#if PPC_NUM_VECTORS > 108
.long vector108, vector109, vector110, vector111
#endif
#if PPC_VECTORS_NUMBER > 112
#if PPC_NUM_VECTORS > 112
.long vector112, vector113, vector114, vector115
#endif
#if PPC_VECTORS_NUMBER > 116
#if PPC_NUM_VECTORS > 116
.long vector116, vector117, vector118, vector119
#endif
#if PPC_VECTORS_NUMBER > 120
#if PPC_NUM_VECTORS > 120
.long vector120, vector121, vector122, vector123
#endif
#if PPC_VECTORS_NUMBER > 124
#if PPC_NUM_VECTORS > 124
.long vector124, vector125, vector126, vector127
#endif
#if PPC_VECTORS_NUMBER > 128
#if PPC_NUM_VECTORS > 128
.long vector128, vector129, vector130, vector131
#endif
#if PPC_VECTORS_NUMBER > 132
#if PPC_NUM_VECTORS > 132
.long vector132, vector133, vector134, vector135
#endif
#if PPC_VECTORS_NUMBER > 136
#if PPC_NUM_VECTORS > 136
.long vector136, vector137, vector138, vector139
#endif
#if PPC_VECTORS_NUMBER > 140
#if PPC_NUM_VECTORS > 140
.long vector140, vector141, vector142, vector143
#endif
#if PPC_VECTORS_NUMBER > 144
#if PPC_NUM_VECTORS > 144
.long vector144, vector145, vector146, vector147
#endif
#if PPC_VECTORS_NUMBER > 148
#if PPC_NUM_VECTORS > 148
.long vector148, vector149, vector150, vector151
#endif
#if PPC_VECTORS_NUMBER > 152
#if PPC_NUM_VECTORS > 152
.long vector152, vector153, vector154, vector155
#endif
#if PPC_VECTORS_NUMBER > 156
#if PPC_NUM_VECTORS > 156
.long vector156, vector157, vector158, vector159
#endif
#if PPC_VECTORS_NUMBER > 160
#if PPC_NUM_VECTORS > 160
.long vector160, vector161, vector162, vector163
#endif
#if PPC_VECTORS_NUMBER > 164
#if PPC_NUM_VECTORS > 164
.long vector164, vector165, vector166, vector167
#endif
#if PPC_VECTORS_NUMBER > 168
#if PPC_NUM_VECTORS > 168
.long vector168, vector169, vector170, vector171
#endif
#if PPC_VECTORS_NUMBER > 172
#if PPC_NUM_VECTORS > 172
.long vector172, vector173, vector174, vector175
#endif
#if PPC_VECTORS_NUMBER > 176
#if PPC_NUM_VECTORS > 176
.long vector176, vector177, vector178, vector179
#endif
#if PPC_VECTORS_NUMBER > 180
#if PPC_NUM_VECTORS > 180
.long vector180, vector181, vector182, vector183
#endif
#if PPC_VECTORS_NUMBER > 184
#if PPC_NUM_VECTORS > 184
.long vector184, vector185, vector186, vector187
#endif
#if PPC_VECTORS_NUMBER > 188
#if PPC_NUM_VECTORS > 188
.long vector188, vector189, vector190, vector191
#endif
#if PPC_VECTORS_NUMBER > 192
#if PPC_NUM_VECTORS > 192
.long vector192, vector193, vector194, vector195
#endif
#if PPC_VECTORS_NUMBER > 196
#if PPC_NUM_VECTORS > 196
.long vector196, vector197, vector198, vector199
#endif
#if PPC_VECTORS_NUMBER > 200
#if PPC_NUM_VECTORS > 200
.long vector200, vector201, vector202, vector203
#endif
#if PPC_VECTORS_NUMBER > 204
#if PPC_NUM_VECTORS > 204
.long vector204, vector205, vector206, vector207
#endif
#if PPC_VECTORS_NUMBER > 208
#if PPC_NUM_VECTORS > 208
.long vector208, vector209, vector210, vector211
#endif
#if PPC_VECTORS_NUMBER > 212
#if PPC_NUM_VECTORS > 212
.long vector212, vector213, vector214, vector215
#endif
#if PPC_VECTORS_NUMBER > 216
#if PPC_NUM_VECTORS > 216
.long vector216, vector217, vector218, vector219
#endif
#if PPC_VECTORS_NUMBER > 220
#if PPC_NUM_VECTORS > 220
.long vector220, vector221, vector222, vector223
#endif
#if PPC_VECTORS_NUMBER > 224
#if PPC_NUM_VECTORS > 224
.long vector224, vector225, vector226, vector227
#endif
#if PPC_VECTORS_NUMBER > 228
#if PPC_NUM_VECTORS > 228
.long vector228, vector229, vector230, vector231
#endif
#if PPC_VECTORS_NUMBER > 232
#if PPC_NUM_VECTORS > 232
.long vector232, vector233, vector234, vector235
#endif
#if PPC_VECTORS_NUMBER > 236
#if PPC_NUM_VECTORS > 236
.long vector236, vector237, vector238, vector239
#endif
#if PPC_VECTORS_NUMBER > 240
#if PPC_NUM_VECTORS > 240
.long vector240, vector241, vector242, vector243
#endif
#if PPC_VECTORS_NUMBER > 244
#if PPC_NUM_VECTORS > 244
.long vector244, vector245, vector246, vector247
#endif
#if PPC_VECTORS_NUMBER > 248
#if PPC_NUM_VECTORS > 248
.long vector248, vector249, vector250, vector251
#endif
#if PPC_VECTORS_NUMBER > 252
#if PPC_NUM_VECTORS > 252
.long vector252, vector253, vector254, vector255
#endif
#if PPC_VECTORS_NUMBER > 256
#if PPC_NUM_VECTORS > 256
.long vector256, vector257, vector258, vector259
#endif
#if PPC_VECTORS_NUMBER > 260
#if PPC_NUM_VECTORS > 260
.long vector260, vector261, vector262, vector263
#endif
#if PPC_VECTORS_NUMBER > 264
#if PPC_NUM_VECTORS > 264
.long vector264, vector265, vector266, vector267
#endif
#if PPC_VECTORS_NUMBER > 268
#if PPC_NUM_VECTORS > 268
.long vector268, vector269, vector270, vector271
#endif
#if PPC_VECTORS_NUMBER > 272
#if PPC_NUM_VECTORS > 272
.long vector272, vector273, vector274, vector275
#endif
#if PPC_VECTORS_NUMBER > 276
#if PPC_NUM_VECTORS > 276
.long vector276, vector277, vector278, vector279
#endif
#if PPC_VECTORS_NUMBER > 280
#if PPC_NUM_VECTORS > 280
.long vector280, vector281, vector282, vector283
#endif
#if PPC_VECTORS_NUMBER > 284
#if PPC_NUM_VECTORS > 284
.long vector284, vector285, vector286, vector287
#endif
#if PPC_VECTORS_NUMBER > 288
#if PPC_NUM_VECTORS > 288
.long vector288, vector289, vector290, vector291
#endif
#if PPC_VECTORS_NUMBER > 292
#if PPC_NUM_VECTORS > 292
.long vector292, vector293, vector294, vector295
#endif
#if PPC_VECTORS_NUMBER > 296
#if PPC_NUM_VECTORS > 296
.long vector296, vector297, vector298, vector299
#endif
#if PPC_VECTORS_NUMBER > 300
#if PPC_NUM_VECTORS > 300
.long vector300, vector301, vector302, vector303
#endif
#if PPC_VECTORS_NUMBER > 304
#if PPC_NUM_VECTORS > 304
.long vector304, vector305, vector306, vector307
#endif
#if PPC_VECTORS_NUMBER > 308
#if PPC_NUM_VECTORS > 308
.long vector308, vector309, vector310, vector311
#endif
#if PPC_VECTORS_NUMBER > 312
#if PPC_NUM_VECTORS > 312
.long vector312, vector313, vector314, vector315
#endif
#if PPC_VECTORS_NUMBER > 316
#if PPC_NUM_VECTORS > 316
.long vector316, vector317, vector318, vector319
#endif
#if PPC_VECTORS_NUMBER > 320
#if PPC_NUM_VECTORS > 320
.long vector320, vector321, vector322, vector323
#endif
#if PPC_VECTORS_NUMBER > 324
#if PPC_NUM_VECTORS > 324
.long vector324, vector325, vector326, vector327
#endif
#if PPC_VECTORS_NUMBER > 328
#if PPC_NUM_VECTORS > 328
.long vector328, vector329, vector330, vector331
#endif
#if PPC_VECTORS_NUMBER > 332
#if PPC_NUM_VECTORS > 332
.long vector332, vector333, vector334, vector335
#endif
#if PPC_VECTORS_NUMBER > 336
#if PPC_NUM_VECTORS > 336
.long vector336, vector337, vector338, vector339
#endif
#if PPC_VECTORS_NUMBER > 340
#if PPC_NUM_VECTORS > 340
.long vector340, vector341, vector342, vector343
#endif
#if PPC_VECTORS_NUMBER > 344
#if PPC_NUM_VECTORS > 344
.long vector344, vector345, vector346, vector347
#endif
#if PPC_VECTORS_NUMBER > 348
#if PPC_NUM_VECTORS > 348
.long vector348, vector349, vector350, vector351
#endif
#if PPC_VECTORS_NUMBER > 352
#if PPC_NUM_VECTORS > 352
.long vector352, vector353, vector354, vector355
#endif
#if PPC_VECTORS_NUMBER > 356
#if PPC_NUM_VECTORS > 356
.long vector356, vector357, vector358, vector359
#endif
#if PPC_VECTORS_NUMBER > 360
#if PPC_NUM_VECTORS > 360
.long vector360, vector361, vector362, vector363
#endif
#if PPC_VECTORS_NUMBER > 364
#if PPC_NUM_VECTORS > 364
.long vector364, vector365, vector366, vector367
#endif
#if PPC_VECTORS_NUMBER > 368
#if PPC_NUM_VECTORS > 368
.long vector368, vector369, vector370, vector371
#endif
#if PPC_VECTORS_NUMBER > 372
#if PPC_NUM_VECTORS > 372
.long vector372, vector373, vector374, vector375
#endif
#if PPC_VECTORS_NUMBER > 376
#if PPC_NUM_VECTORS > 376
.long vector376, vector377, vector378, vector379
#endif
#if PPC_VECTORS_NUMBER > 380
#if PPC_NUM_VECTORS > 380
.long vector380, vector381, vector382, vector383
#endif
#if PPC_VECTORS_NUMBER > 384
#if PPC_NUM_VECTORS > 384
.long vector384, vector385, vector386, vector387
#endif
#if PPC_VECTORS_NUMBER > 388
#if PPC_NUM_VECTORS > 388
.long vector388, vector389, vector390, vector391
#endif
#if PPC_VECTORS_NUMBER > 392
#if PPC_NUM_VECTORS > 392
.long vector392, vector393, vector394, vector395
#endif
#if PPC_VECTORS_NUMBER > 396
#if PPC_NUM_VECTORS > 396
.long vector396, vector397, vector398, vector399
#endif
#if PPC_VECTORS_NUMBER > 400
#if PPC_NUM_VECTORS > 400
.long vector400, vector401, vector402, vector403
#endif
#if PPC_VECTORS_NUMBER > 404
#if PPC_NUM_VECTORS > 404
.long vector404, vector405, vector406, vector407
#endif
#if PPC_VECTORS_NUMBER > 408
#if PPC_NUM_VECTORS > 408
.long vector408, vector409, vector410, vector411
#endif
#if PPC_VECTORS_NUMBER > 412
#if PPC_NUM_VECTORS > 412
.long vector412, vector413, vector414, vector415
#endif
#if PPC_VECTORS_NUMBER > 416
#if PPC_NUM_VECTORS > 416
.long vector416, vector417, vector418, vector419
#endif
#if PPC_VECTORS_NUMBER > 420
#if PPC_NUM_VECTORS > 420
.long vector420, vector421, vector422, vector423
#endif
#if PPC_VECTORS_NUMBER > 424
#if PPC_NUM_VECTORS > 424
.long vector424, vector425, vector426, vector427
#endif
#if PPC_VECTORS_NUMBER > 428
#if PPC_NUM_VECTORS > 428
.long vector428, vector429, vector430, vector431
#endif
#if PPC_VECTORS_NUMBER > 432
#if PPC_NUM_VECTORS > 432
.long vector432, vector433, vector434, vector435
#endif
#if PPC_VECTORS_NUMBER > 436
#if PPC_NUM_VECTORS > 436
.long vector436, vector437, vector438, vector439
#endif
#if PPC_VECTORS_NUMBER > 440
#if PPC_NUM_VECTORS > 440
.long vector440, vector441, vector442, vector443
#endif
#if PPC_VECTORS_NUMBER > 444
#if PPC_NUM_VECTORS > 444
.long vector444, vector445, vector446, vector447
#endif
#if PPC_VECTORS_NUMBER > 448
#if PPC_NUM_VECTORS > 448
.long vector448, vector449, vector450, vector451
#endif
#if PPC_VECTORS_NUMBER > 452
#if PPC_NUM_VECTORS > 452
.long vector452, vector453, vector454, vector455
#endif
#if PPC_VECTORS_NUMBER > 456
#if PPC_NUM_VECTORS > 456
.long vector456, vector457, vector458, vector459
#endif
#if PPC_VECTORS_NUMBER > 460
#if PPC_NUM_VECTORS > 460
.long vector460, vector461, vector462, vector463
#endif
#if PPC_VECTORS_NUMBER > 464
#if PPC_NUM_VECTORS > 464
.long vector464, vector465, vector466, vector467
#endif
#if PPC_VECTORS_NUMBER > 468
#if PPC_NUM_VECTORS > 468
.long vector468, vector469, vector470, vector471
#endif
#if PPC_VECTORS_NUMBER > 472
#if PPC_NUM_VECTORS > 472
.long vector472, vector473, vector474, vector475
#endif
#if PPC_VECTORS_NUMBER > 476
#if PPC_NUM_VECTORS > 476
.long vector476, vector477, vector478, vector479
#endif
#if PPC_VECTORS_NUMBER > 480
#if PPC_NUM_VECTORS > 480
.long vector480, vector481, vector482, vector483
#endif
#if PPC_VECTORS_NUMBER > 484
#if PPC_NUM_VECTORS > 484
.long vector484, vector485, vector486, vector487
#endif
#if PPC_VECTORS_NUMBER > 488
#if PPC_NUM_VECTORS > 488
.long vector488, vector489, vector490, vector491
#endif
#if PPC_VECTORS_NUMBER > 492
#if PPC_NUM_VECTORS > 492
.long vector492, vector493, vector494, vector495
#endif
#if PPC_VECTORS_NUMBER > 496
#if PPC_NUM_VECTORS > 496
.long vector496, vector497, vector498, vector499
#endif
#if PPC_VECTORS_NUMBER > 500
#if PPC_NUM_VECTORS > 500
.long vector500, vector501, vector502, vector503
#endif
#if PPC_VECTORS_NUMBER > 504
#if PPC_NUM_VECTORS > 504
.long vector504, vector505, vector506, vector507
#endif
#if PPC_VECTORS_NUMBER > 508
#if PPC_NUM_VECTORS > 508
.long vector508, vector509, vector510, vector511
#endif

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@ -70,7 +70,7 @@
/**
* @brief Number of interrupt sources.
*/
#define PPC_VECTORS_NUMBER 288
#define PPC_NUM_VECTORS 256
#endif /* _PPCPARAMS_H_ */

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@ -51,20 +51,37 @@
#endif
/** @} */
typedef uint32_t rtcnt_t; /**< Realtime counter. */
typedef uint64_t rttime_t; /**< Time 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. */
/**
* @name Derived generic types
* @{
*/
typedef volatile int8_t vint8_t; /**< Volatile signed 8 bits. */
typedef volatile uint8_t vuint8_t; /**< Volatile unsigned 8 bits. */
typedef volatile int16_t vint16_t; /**< Volatile signed 16 bits. */
typedef volatile uint16_t vuint16_t; /**< Volatile unsigned 16 bits. */
typedef volatile int32_t vint32_t; /**< Volatile signed 32 bits. */
typedef volatile uint32_t vuint32_t; /**< Volatile unsigned 32 bits. */
/** @} */
/**
* @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.

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os/rt/ports/e200/chcore.c Normal file
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@ -0,0 +1,112 @@
/*
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 PPC/chcore.c
* @brief PowerPC architecture port code.
*
* @addtogroup PPC_CORE
* @{
*/
#include "ch.h"
/**
* @brief Kernel port layer initialization.
* @details IVOR4 and IVOR10 initialization.
*/
void port_init(void) {
#if PPC_SUPPORTS_IVORS
/* The CPU supports IVOR registers, the kernel requires IVOR4 and IVOR10
and the initialization is performed here.*/
asm volatile ("li %%r3, _IVOR4@l \t\n"
"mtIVOR4 %%r3 \t\n"
"li %%r3, _IVOR10@l \t\n"
"mtIVOR10 %%r3" : : : "memory");
#endif
}
/**
* @brief Halts the system.
* @details This function is invoked by the operating system when an
* unrecoverable error is detected (for example because a programming
* error in the application code that triggers an assertion while
* in debug mode).
*/
void port_halt(void) {
port_disable();
while (TRUE) {
}
}
/**
* @brief Performs a context switch between two threads.
* @details This is the most critical code in any port, this function
* is responsible for the context switch between 2 threads.
* @note The implementation of this code affects <b>directly</b> the context
* switch performance so optimize here as much as you can.
*/
#if !defined(__DOXYGEN__)
__attribute__((naked))
#endif
void port_dummy1(void) {
asm (".global _port_switch");
asm ("_port_switch:");
asm ("subi %sp, %sp, 80"); /* Size of the intctx structure. */
asm ("mflr %r0");
asm ("stw %r0, 84(%sp)"); /* LR into the caller frame. */
asm ("mfcr %r0");
asm ("stw %r0, 0(%sp)"); /* CR. */
asm ("stmw %r14, 4(%sp)"); /* GPR14...GPR31. */
asm ("stw %sp, 12(%r4)"); /* Store swapped-out stack. */
asm ("lwz %sp, 12(%r3)"); /* Load swapped-in stack. */
asm ("lmw %r14, 4(%sp)"); /* GPR14...GPR31. */
asm ("lwz %r0, 0(%sp)"); /* CR. */
asm ("mtcr %r0");
asm ("lwz %r0, 84(%sp)"); /* LR from the caller frame. */
asm ("mtlr %r0");
asm ("addi %sp, %sp, 80"); /* Size of the intctx structure. */
asm ("blr");
}
/**
* @brief Start a thread by invoking its work function.
* @details If the work function returns @p chThdExit() is automatically
* invoked.
*/
#if !defined(__DOXYGEN__)
__attribute__((naked))
#endif
void port_dummy2(void) {
asm (".global _port_thread_start");
asm ("_port_thread_start:");
chSysUnlock();
asm ("mr %r3, %r31"); /* Thread parameter. */
asm ("mtctr %r30");
asm ("bctrl"); /* Invoke thread function. */
asm ("bl chThdExit"); /* Thread termination on exit. */
}
/** @} */

404
os/rt/ports/e200/chcore.h Normal file
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@ -0,0 +1,404 @@
/*
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 PPC/chcore.h
* @brief PowerPC architecture port macros and structures.
*
* @addtogroup PPC_CORE
* @{
*/
#ifndef _CHCORE_H_
#define _CHCORE_H_
#if CH_DBG_ENABLE_STACK_CHECK
#error "option CH_DBG_ENABLE_STACK_CHECK not supported by this port"
#endif
/*===========================================================================*/
/* Port constants (common). */
/*===========================================================================*/
/* Added to make the header stand-alone when included from asm.*/
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
/**
* @name Supported core variants
* @{
*/
#define PPC_VARIANT_e200z0 200
#define PPC_VARIANT_e200z3 203
#define PPC_VARIANT_e200z4 204
/** @} */
#include "vectors.h"
#include "ppcparams.h"
/*===========================================================================*/
/* Port macros (common). */
/*===========================================================================*/
/*===========================================================================*/
/* Port configurable parameters (common). */
/*===========================================================================*/
/**
* @brief Use VLE instruction set.
* @note This parameter is usually set in the Makefile.
*/
#if !defined(PPC_USE_VLE)
#define PPC_USE_VLE TRUE
#endif
/**
* @brief Enables the use of the @p WFI instruction.
*/
#if !defined(PPC_ENABLE_WFI_IDLE)
#define PPC_ENABLE_WFI_IDLE FALSE
#endif
/*===========================================================================*/
/* Port derived parameters (common). */
/*===========================================================================*/
#if PPC_USE_VLE && !PPC_SUPPORTS_VLE
#error "the selected MCU does not support VLE instructions set"
#endif
#if !PPC_USE_VLE && !PPC_SUPPORTS_BOOKE
#error "the selected MCU does not support BookE instructions set"
#endif
/*===========================================================================*/
/* Port exported info (common). */
/*===========================================================================*/
/**
* @brief Unique macro for the implemented architecture.
*/
#define CH_ARCHITECTURE_PPC
/**
* @brief Name of the implemented architecture.
*/
#define CH_ARCHITECTURE_NAME "Power Architecture"
/**
* @brief Name of the architecture variant.
*/
#if (PPC_VARIANT == PPC_VARIANT_e200z0) || defined(__DOXYGEN__)
#define CH_CORE_VARIANT_NAME "e200z0"
#elif PPC_VARIANT == PPC_VARIANT_e200z3
#define CH_CORE_VARIANT_NAME "e200z3"
#elif PPC_VARIANT == PPC_VARIANT_e200z4
#define CH_CORE_VARIANT_NAME "e200z4"
#else
#error "unknown or unsupported PowerPC variant specified"
#endif
/**
* @brief Name of the compiler supported by this port.
*/
#define CH_COMPILER_NAME "GCC " __VERSION__
/**
* @brief Port-specific information string.
*/
#if PPC_USE_VLE
#define CH_PORT_INFO "VLE mode"
#else
#define CH_PORT_INFO "Book-E mode"
#endif
/*===========================================================================*/
/* Port implementation part (common). */
/*===========================================================================*/
#if !defined(_FROM_ASM_)
/**
* @brief Base type for stack and memory alignment.
*/
typedef struct {
uint8_t a[8];
} stkalign_t __attribute__((aligned(8)));
/**
* @brief Generic PPC register.
*/
typedef void *regppc_t;
/**
* @brief Mandatory part of a stack frame.
*/
struct eabi_frame {
regppc_t slink; /**< Stack back link. */
regppc_t shole; /**< Stack hole for LR storage. */
};
/**
* @brief Interrupt saved context.
* @details This structure represents the stack frame saved during a
* preemption-capable interrupt handler.
* @note R2 and R13 are not saved because those are assumed to be immutable
* during the system life cycle.
*/
struct extctx {
struct eabi_frame frame;
/* Start of the e_stmvsrrw frame (offset 8).*/
regppc_t pc;
regppc_t msr;
/* Start of the e_stmvsprw frame (offset 16).*/
regppc_t cr;
regppc_t lr;
regppc_t ctr;
regppc_t xer;
/* Start of the e_stmvgprw frame (offset 32).*/
regppc_t r0;
regppc_t r3;
regppc_t r4;
regppc_t r5;
regppc_t r6;
regppc_t r7;
regppc_t r8;
regppc_t r9;
regppc_t r10;
regppc_t r11;
regppc_t r12;
regppc_t padding;
};
/**
* @brief System saved context.
* @details This structure represents the inner stack frame during a context
* switching.
* @note R2 and R13 are not saved because those are assumed to be immutable
* during the system life cycle.
* @note LR is stored in the caller contex so it is not present in this
* structure.
*/
struct intctx {
regppc_t cr; /* Part of it is not volatile... */
regppc_t r14;
regppc_t r15;
regppc_t r16;
regppc_t r17;
regppc_t r18;
regppc_t r19;
regppc_t r20;
regppc_t r21;
regppc_t r22;
regppc_t r23;
regppc_t r24;
regppc_t r25;
regppc_t r26;
regppc_t r27;
regppc_t r28;
regppc_t r29;
regppc_t r30;
regppc_t r31;
regppc_t padding;
};
/**
* @brief Platform dependent part of the @p Thread structure.
* @details This structure usually contains just the saved stack pointer
* defined as a pointer to a @p intctx structure.
*/
struct context {
struct intctx *sp;
};
/**
* @brief Platform dependent part of the @p chThdCreateI() API.
* @details This code usually setup the context switching frame represented
* by an @p intctx structure.
*/
#define SETUP_CONTEXT(workspace, wsize, pf, arg) { \
uint8_t *sp = (uint8_t *)workspace + wsize - sizeof(struct eabi_frame); \
((struct eabi_frame *)sp)->slink = 0; \
((struct eabi_frame *)sp)->shole = _port_thread_start; \
tp->p_ctx.sp = (struct intctx *)(sp - sizeof(struct intctx)); \
tp->p_ctx.sp->r31 = arg; \
tp->p_ctx.sp->r30 = pf; \
}
/**
* @brief Stack size for the system idle thread.
* @details This size depends on the idle thread implementation, usually
* the idle thread should take no more space than those reserved
* by @p PORT_INT_REQUIRED_STACK.
*/
#ifndef PORT_IDLE_THREAD_STACK_SIZE
#define PORT_IDLE_THREAD_STACK_SIZE 32
#endif
/**
* @brief Per-thread stack overhead for interrupts servicing.
* @details This constant is used in the calculation of the correct working
* area size.
*/
#ifndef PORT_INT_REQUIRED_STACK
#define PORT_INT_REQUIRED_STACK 256
#endif
/**
* @brief Enforces a correct alignment for a stack area size value.
*/
#define STACK_ALIGN(n) ((((n) - 1) | (sizeof(stkalign_t) - 1)) + 1)
/**
* @brief Computes the thread working area global size.
*/
#define THD_WA_SIZE(n) STACK_ALIGN(sizeof(Thread) + \
sizeof(struct intctx) + \
sizeof(struct extctx) + \
(n) + (PORT_INT_REQUIRED_STACK))
/**
* @brief Static working area allocation.
* @details This macro is used to allocate a static thread working area
* aligned as both position and size.
*/
#define WORKING_AREA(s, n) stkalign_t s[THD_WA_SIZE(n) / sizeof(stkalign_t)]
/**
* @brief IRQ prologue code.
* @details This macro must be inserted at the start of all IRQ handlers
* enabled to invoke system APIs.
*/
#define PORT_IRQ_PROLOGUE()
/**
* @brief IRQ epilogue code.
* @details This macro must be inserted at the end of all IRQ handlers
* enabled to invoke system APIs.
*/
#define PORT_IRQ_EPILOGUE()
/**
* @brief IRQ handler function declaration.
* @note @p id can be a function name or a vector number depending on the
* port implementation.
*/
#define PORT_IRQ_HANDLER(id) void id(void)
/**
* @details Implemented as global interrupt disable.
*/
#define port_lock() asm volatile ("wrteei 0" : : : "memory")
/**
* @details Implemented as global interrupt enable.
*/
#define port_unlock() asm volatile("wrteei 1" : : : "memory")
/**
* @details Implemented as global interrupt disable.
*/
#define port_lock_from_isr() /*asm ("wrteei 0")*/
/**
* @details Implemented as global interrupt enable.
*/
#define port_unlock_from_isr() /*asm ("wrteei 1")*/
/**
* @details Implemented as global interrupt disable.
*/
#define port_disable() asm volatile ("wrteei 0" : : : "memory")
/**
* @details Same as @p port_disable() in this port, there is no difference
* between the two states.
*/
#define port_suspend() asm volatile ("wrteei 0" : : : "memory")
/**
* @details Implemented as global interrupt enable.
*/
#define port_enable() asm volatile ("wrteei 1" : : : "memory")
/**
* @brief Performs a context switch between two threads.
* @details This is the most critical code in any port, this function
* is responsible for the context switch between 2 threads.
* @note The implementation of this code affects <b>directly</b> the context
* switch performance so optimize here as much as you can.
*
* @param[in] ntp the thread to be switched in
* @param[in] otp the thread to be switched out
*/
#if !CH_DBG_ENABLE_STACK_CHECK || defined(__DOXYGEN__)
#define port_switch(ntp, otp) _port_switch(ntp, otp)
#else
#define port_switch(ntp, otp) { \
register struct intctx *sp asm ("%r1"); \
if ((stkalign_t *)(sp - 1) < otp->p_stklimit) \
chDbgPanic("stack overflow"); \
_port_switch(ntp, otp); \
}
#endif
/**
* @brief Writes to a special register.
*
* @param[in] spr special register number
* @param[in] val value to be written
*/
#define port_mtspr(spr, val) \
asm volatile ("mtspr %0,%1" : : "n" (spr), "r" (val))
/**
* @details This port function is implemented as inlined code for performance
* reasons.
*/
#if PPC_ENABLE_WFI_IDLE
#if !defined(port_wait_for_interrupt)
#define port_wait_for_interrupt() { \
asm volatile ("wait" : : : "memory"); \
}
#endif
#else
#define port_wait_for_interrupt()
#endif
#ifdef __cplusplus
extern "C" {
#endif
void port_init(void);
void port_halt(void);
void _port_switch(Thread *ntp, Thread *otp);
void _port_thread_start(void);
#ifdef __cplusplus
}
#endif
#endif /* _FROM_ASM_ */
#endif /* _CHCORE_H_ */
/** @} */

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@ -0,0 +1,106 @@
/*
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 PPC/chtypes.h
* @brief PowerPC architecture port system types.
*
* @addtogroup PPC_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 (!FALSE)
#endif
/** @} */
/**
* @name Derived generic types
* @{
*/
typedef volatile int8_t vint8_t; /**< Volatile signed 8 bits. */
typedef volatile uint8_t vuint8_t; /**< Volatile unsigned 8 bits. */
typedef volatile int16_t vint16_t; /**< Volatile signed 16 bits. */
typedef volatile uint16_t vuint16_t; /**< Volatile unsigned 16 bits. */
typedef volatile int32_t vint32_t; /**< Volatile signed 32 bits. */
typedef volatile uint32_t vuint32_t; /**< Volatile unsigned 32 bits. */
/** @} */
/**
* @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 the
* realtime counter precision could be degraded.
*/
#define NOINLINE __attribute__((noinline))
/**
* @brief Optimized thread function declaration macro.
*/
#define PORT_THD_FUNCTION(tname, arg) msg_t tname(void *arg)
#endif /* _CHTYPES_H_ */
/** @} */