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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-16 15:52:58 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2007-03-16 15:52:58 +0000 |
commit | ea4c23ad866e7a548c9e8c086a573c7109e02c87 (patch) | |
tree | 52f926a8e9ae4ddd04a7f7ce126413ca3e48a1d8 /nuttx/arch/dm320/include | |
parent | b1f396b003b38638bbf3a1a1946b6068ea768ca5 (diff) | |
download | px4-nuttx-ea4c23ad866e7a548c9e8c086a573c7109e02c87.tar.gz px4-nuttx-ea4c23ad866e7a548c9e8c086a573c7109e02c87.tar.bz2 px4-nuttx-ea4c23ad866e7a548c9e8c086a573c7109e02c87.zip |
Initial version
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@68 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/dm320/include')
-rw-r--r-- | nuttx/arch/dm320/include/arch.h | 80 | ||||
-rw-r--r-- | nuttx/arch/dm320/include/irq.h | 276 | ||||
-rw-r--r-- | nuttx/arch/dm320/include/limits.h | 74 | ||||
-rw-r--r-- | nuttx/arch/dm320/include/types.h | 82 |
4 files changed, 512 insertions, 0 deletions
diff --git a/nuttx/arch/dm320/include/arch.h b/nuttx/arch/dm320/include/arch.h new file mode 100644 index 000000000..6b58d0e36 --- /dev/null +++ b/nuttx/arch/dm320/include/arch.h @@ -0,0 +1,80 @@ +/************************************************************ + * arch.h + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +/* This file should never be included directed but, rather, + * only indirectly through nuttx/arch.h + */ + +#ifndef __ARCH_DM320_ARCH_H +#define __ARCH_DM320_ARCH_H + +/************************************************************ + * Included Files + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +/************************************************************ + * Inline functions + ************************************************************/ + +/************************************************************ + * Public Types + ************************************************************/ + +/************************************************************ + * Public Variables + ************************************************************/ + +/************************************************************ + * Public Function Prototypes + ************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* __ARCH_DM320_ARCH_H */ + diff --git a/nuttx/arch/dm320/include/irq.h b/nuttx/arch/dm320/include/irq.h new file mode 100644 index 000000000..98e18b7f6 --- /dev/null +++ b/nuttx/arch/dm320/include/irq.h @@ -0,0 +1,276 @@ +/************************************************************ + * irq.h + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +/* This file should never be included directed but, rather, + * only indirectly through nuttx/irq.h + */ + +#ifndef __ARCH_DM320_IRQ_H +#define __ARCH_DM320_IRQ_H + +/************************************************************ + * Included Files + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +/* IRQ Stack Frame Format: + * + * Context is always saved/restored in the same way: + * + * (1) stmia rx, {r0-r14} + * (2) then the PC and CPSR + * + * This results in the following set of indices that + * can be used to access individual registers in the + * xcp.regs array: + */ + +#define REG_R0 (0) +#define REG_R1 (1) +#define REG_R2 (2) +#define REG_R3 (3) +#define REG_R4 (4) +#define REG_R5 (5) +#define REG_R6 (6) +#define REG_R7 (7) +#define REG_R8 (8) +#define REG_R9 (9) +#define REG_R10 (10) +#define REG_R11 (11) +#define REG_R12 (12) +#define REG_R13 (13) +#define REG_R14 (14) +#define REG_R15 (15) +#define REG_CPSR (16) + +#define XCPTCONTEST_REGS (17) +#define XCPTCONTEXT_SIZE (4 * XCPTCONTEST_REGS) + +#define REG_A1 REG_R0 +#define REG_A2 REG_R1 +#define REG_A3 REG_R2 +#define REG_A4 REG_R3 +#define REG_V1 REG_R4 +#define REG_V2 REG_R5 +#define REG_V3 REG_R6 +#define REG_V4 REG_R7 +#define REG_V5 REG_R8 +#define REG_V6 REG_R9 +#define REG_V7 REG_R10 +#define REG_SB REG_R9 +#define REG_SL REG_R10 +#define REG_FP REG_R11 +#define REG_IP REG_R12 +#define REG_SP REG_R13 +#define REG_LR REG_R14 +#define REG_PC REG_R15 + +/* DM320 Interrupts */ + +#define DM320_IRQ_TMR0 0 /* IRQ0: Timer 0 Interrupt */ +#define DM320_IRQ_TMR1 1 /* IRQ1: Timer 1 Interrupt */ +#define DM320_IRQ_TMR2 2 /* IRQ2: Timer 2 Interrupt (CCD timer 0) */ +#define DM320_IRQ_TMR3 3 /* IRQ3: Timer 3 Interrupt (CCD timer 1) */ +#define DM320_IRQ_CCDVD0 4 /* IRQ4: CCD VD Interrupt #0 */ +#define DM320_IRQ_CCDVD1 5 /* IRQ5: CCD VD Interrupt #1 */ +#define DM320_IRQ_CCDWEN 6 /* IRQ6: CCD WEN Interrupt */ +#define DM320_IRQ_VENC 7 /* IRQ7: Video Encoder Interrupt */ +#define DM320_IRQ_SP0 8 /* IRQ8: Serial Port 0 Interrupt (with DMA) */ +#define DM320_IRQ_SP1 9 /* IRQ9: Serial Port 1 Interrupt */ +#define DM320_IRQ_EXTHOST 10 /* IRQ10: External host interrupt */ +#define DM320_IRQ_IMGBUF 11 /* IRQ11: Image Buffer */ +#define DM320_IRQ_UART0 12 /* IRQ12: UART0 Interrupt */ +#define DM320_IRQ_UART1 13 /* IRQ13: UART1 Interrupt */ +#define DM320_IRQ_USB0 14 /* IRQ14: USB 0 Interrupt (DMA) */ +#define DM320_IRQ_USB1 15 /* IRQ15: USB 1 Interrupt (Core) */ +#define DM320_IRQ_VLYNQ 16 /* IRQ16: VLYNQ Interrupt */ +#define DM320_IRQ_MTC0 17 /* IRQ17: Memory Traffic Controller 0 (DMA) */ +#define DM320_IRQ_MTC1 18 /* IRQ18: Memory Traffic Controller 1 (CFC_RDY) */ +#define DM320_IRQ_MMCSD0 19 /* IRQ19: MMC/SD or MS 0 Interrupt */ +#define DM320_IRQ_MMCSD1 20 /* IRQ20: MMC/SD or MS 1 Interrupt */ +#define DM320_IRQ_EXT0 21 /* IRQ21: External Interrupt #0 (GIO0) */ +#define DM320_IRQ_EXT1 22 /* IRQ22: External Interrupt #1 (GIO1) */ +#define DM320_IRQ_EXT2 23 /* IRQ23: External Interrupt #2 (GIO2) */ +#define DM320_IRQ_EXT3 24 /* IRQ24: External Interrupt #3 (GIO3) */ +#define DM320_IRQ_EXT4 25 /* IRQ25: External Interrupt #4 (GIO4) */ +#define DM320_IRQ_EXT5 26 /* IRQ26: External Interrupt #5 (GIO5) */ +#define DM320_IRQ_EXT6 27 /* IRQ27: External Interrupt #6 (GIO6) */ +#define DM320_IRQ_EXT7 28 /* IRQ28: External Interrupt #7 (GIO7) */ +#define DM320_IRQ_EXT8 29 /* IRQ29: External Interrupt #8 (GIO8) */ +#define DM320_IRQ_EXT9 30 /* IRQ30: External Interrupt #9 (GIO9) */ +#define DM320_IRQ_EXT10 31 /* IRQ31: External Interrupt #10 (GIO10) */ +#define DM320_IRQ_EXT11 32 /* IRQ32: External Interrupt #11 (GIO11) */ +#define DM320_IRQ_EXT12 33 /* IRQ33: External Interrupt #12 (GIO12) */ +#define DM320_IRQ_EXT13 34 /* IRQ34: External Interrupt #13 (GIO13) */ +#define DM320_IRQ_EXT14 35 /* IRQ35: External Interrupt #14 (GIO14) */ +#define DM320_IRQ_EXT15 36 /* IRQ36: External Interrupt #15 (GIO15) */ +#define DM320_IRQ_PREV0 37 /* IRQ37: Preview Engine 0 (Preview Over) */ +#define DM320_IRQ_PREV1 38 /* IRQ38: Preview Engine 1 (Preview Historgram Over) */ +#define DM320_IRQ_WDT 39 /* IRQ39: Watchdog Timer Interrupt */ +#define DM320_IRQ_I2C 40 /* IRQ40: I2C Interrupt */ +#define DM320_IRQ_CLKC 41 /* IRQ41: Clock controller Interrupt (wake up) */ +#define DM320_IRQ_E2ICE 42 /* IRQ42: Embedded ICE Interrupt */ +#define DM320_IRQ_ARMCOMRX 43 /* IRQ43: ARMCOMM Receive Interrupt */ +#define DM320_IRQ_ARMCOMTX 44 /* IRQ44: ARMCOMM Transmit Interrupt */ +#define DM320_IRQ_RSV 45 /* IRQ45: Reserved Interrupt */ + +#define DM320_IRQ_SYSTIMER DM320_IRQ_TMR0 +#define NR_IRQS (DM320_IRQ_RSV+1) + +/************************************************************ + * Public Types + ************************************************************/ + +/* This struct defines the way the registers are stored. We + * need to save: + * + * 1 CPSR + * 7 Static registers, v1-v7 (aka r4-r10) + * 1 Frame pointer, fp (aka r11) + * 1 Stack pointer, sp (aka r13) + * 1 Return address, lr (aka r14) + * --- + * 11 (XCPTCONTEXT_USER_REG) + * + * On interrupts, we also need to save: + * 4 Volatile registers, a1-a4 (aka r0-r3) + * 1 Scratch Register, ip (aka r12) + *--- + * 5 (XCPTCONTEXT_IRQ_REGS) + * + * For a total of 17 (XCPTCONTEST_REGS) + */ + +#ifndef __ASSEMBLY__ +struct xcptcontext +{ + /* The following function pointer is non-zero if there + * are pending signals to be processed. + */ + + void *sigdeliver; /* Actual type is sig_deliver_t */ + + /* These are saved copies of LR and CPSR used during + * signal processing. + */ + + uint32 saved_pc; + uint32 saved_cpsr; + + /* Register save area */ + + uint32 regs[XCPTCONTEST_REGS]; +}; +#endif + +/************************************************************ + * Inline functions + ************************************************************/ + +#ifndef __ASSEMBLY__ + +/* Save the current interrupt enable state & disable IRQs */ + +static inline irqstate_t irqsave(void) +{ + unsigned int flags; + unsigned int temp; + __asm__ __volatile__ + ( + "\tmrs %0, cpsr\n" + "\torr %1, %0, #128\n" + "\tmsr cpsr_c, %1" + : "=r" (flags), "=r" (temp) + : + : "memory"); + return flags; +} + +/* Restore saved IRQ & FIQ state */ + +static inline void irqrestore(irqstate_t flags) +{ + __asm__ __volatile__ + ( + "msr cpsr_c, %0" + : + : "r" (flags) + : "memory"); +} + +static inline void system_call(swint_t func, int parm1, + int parm2, int parm3) +{ + __asm__ __volatile__ + ( + "mov\tr0,%0\n\t" + "mov\tr1,%1\n\t" + "mov\tr2,%2\n\t" + "mov\tr3,%3\n\t" + "swi\t0x900001\n\t" + : + : "r" ((long)(func)), "r" ((long)(parm1)), + "r" ((long)(parm2)), "r" ((long)(parm3)) + : "r0", "r1", "r2", "r3", "lr"); +} +#endif + +/************************************************************ + * Public Variables + ************************************************************/ + +/************************************************************ + * Public Function Prototypes + ************************************************************/ + +#ifndef __ASSEMBLY__ +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +#undef EXTERN +#ifdef __cplusplus +} +#endif +#endif + +#endif /* __ARCH_DM320_IRQ_H */ + diff --git a/nuttx/arch/dm320/include/limits.h b/nuttx/arch/dm320/include/limits.h new file mode 100644 index 000000000..554c9f1f1 --- /dev/null +++ b/nuttx/arch/dm320/include/limits.h @@ -0,0 +1,74 @@ +/************************************************************ + * limits.h + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +#ifndef __ARCH_LIMITS_H +#define __ARCH_LIMITS_H + +/************************************************************ + * Included Files + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +#define SCHAR_MIN 0x80 +#define SCHAR_MAX 0x7f +#define UCHAR_MAX 0xff + +/* These could be different on machines where char is unsigned */ + +#define CHAR_MIN SCHAR_MIN +#define CHAR_MAX SCHAR_MAX + +#define SHRT_MIN 0x8000 +#define SHRT_MAX 0x7fff +#define USHRT_MAX 0xffff + +#define INT_MIN 0x80000000 +#define INT_MAX 0x7fffffff +#define UINT_MAX 0xffffffff + +/* These change on 32-bit and 64-bit platforms */ + +#define LONG_MAX 0x80000000 +#define LONG_MIN 0x7fffffff +#define ULONG_MAX 0xffffffff + +#define LLONG_MAX 0x8000000000000000 +#define LLONG_MIN 0x7fffffffffffffff +#define ULLONG_MAX 0xffffffffffffffff + +#endif /* __ARCH_LIMITS_H */ diff --git a/nuttx/arch/dm320/include/types.h b/nuttx/arch/dm320/include/types.h new file mode 100644 index 000000000..740f4590f --- /dev/null +++ b/nuttx/arch/dm320/include/types.h @@ -0,0 +1,82 @@ +/************************************************************ + * types.h + * + * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************/ + +/* This file should never be included directed but, rather, + * only indirectly through sys/types.h + */ + +#ifndef __ARCH_DM320_TYPES_H +#define __ARCH_DM320_TYPES_H + +/************************************************************ + * Included Files + ************************************************************/ + +/************************************************************ + * Definitions + ************************************************************/ + +/************************************************************ + * Type Declarations + ************************************************************/ + +#ifndef __ASSEMBLY__ + +/* These are the sizes of the standard GNU types */ + +typedef char sbyte; +typedef unsigned char ubyte; +typedef unsigned char uint8; +typedef unsigned char boolean; +typedef short sint16; +typedef unsigned short uint16; +typedef int sint32; +typedef unsigned int uint32; +typedef long long sint64; +typedef unsigned long long uint64; + +/* This is the size of the interrupt state save returned by + * irqsave() + */ + +typedef unsigned int irqstate_t; + +#endif /* __ASSEMBLY__ */ + +/************************************************************ + * Global Function Prototypes + ************************************************************/ + +#endif /* __ARCH_DM320_TYPES_H */ |