exec: do not leave bprm->interp on stack

[linux/fpc-iii.git] / arch / avr32 / include / asm / ocd.h

/*
 * AVR32 OCD Interface and register definitions
 *
 * Copyright (C) 2004-2007 Atmel Corporation
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __ASM_AVR32_OCD_H
#define __ASM_AVR32_OCD_H

/* OCD Register offsets. Abbreviations used below:
 *
 *      BP      Breakpoint
 *      Comm    Communication
 *      DT      Data Trace
 *      PC      Program Counter
 *      PID     Process ID
 *      R/W     Read/Write
 *      WP      Watchpoint
 */
#define OCD_DID                         0x0000  /* Device ID */
#define OCD_DC                          0x0008  /* Development Control */
#define OCD_DS                          0x0010  /* Development Status */
#define OCD_RWCS                        0x001c  /* R/W Access Control */
#define OCD_RWA                         0x0024  /* R/W Access Address */
#define OCD_RWD                         0x0028  /* R/W Access Data */
#define OCD_WT                          0x002c  /* Watchpoint Trigger */
#define OCD_DTC                         0x0034  /* Data Trace Control */
#define OCD_DTSA0                       0x0038  /* DT Start Addr Channel 0 */
#define OCD_DTSA1                       0x003c  /* DT Start Addr Channel 1 */
#define OCD_DTEA0                       0x0048  /* DT End Addr Channel 0 */
#define OCD_DTEA1                       0x004c  /* DT End Addr Channel 1 */
#define OCD_BWC0A                       0x0058  /* PC BP/WP Control 0A */
#define OCD_BWC0B                       0x005c  /* PC BP/WP Control 0B */
#define OCD_BWC1A                       0x0060  /* PC BP/WP Control 1A */
#define OCD_BWC1B                       0x0064  /* PC BP/WP Control 1B */
#define OCD_BWC2A                       0x0068  /* PC BP/WP Control 2A */
#define OCD_BWC2B                       0x006c  /* PC BP/WP Control 2B */
#define OCD_BWC3A                       0x0070  /* Data BP/WP Control 3A */
#define OCD_BWC3B                       0x0074  /* Data BP/WP Control 3B */
#define OCD_BWA0A                       0x0078  /* PC BP/WP Address 0A */
#define OCD_BWA0B                       0x007c  /* PC BP/WP Address 0B */
#define OCD_BWA1A                       0x0080  /* PC BP/WP Address 1A */
#define OCD_BWA1B                       0x0084  /* PC BP/WP Address 1B */
#define OCD_BWA2A                       0x0088  /* PC BP/WP Address 2A */
#define OCD_BWA2B                       0x008c  /* PC BP/WP Address 2B */
#define OCD_BWA3A                       0x0090  /* Data BP/WP Address 3A */
#define OCD_BWA3B                       0x0094  /* Data BP/WP Address 3B */
#define OCD_NXCFG                       0x0100  /* Nexus Configuration */
#define OCD_DINST                       0x0104  /* Debug Instruction */
#define OCD_DPC                         0x0108  /* Debug Program Counter */
#define OCD_CPUCM                       0x010c  /* CPU Control Mask */
#define OCD_DCCPU                       0x0110  /* Debug Comm CPU */
#define OCD_DCEMU                       0x0114  /* Debug Comm Emulator */
#define OCD_DCSR                        0x0118  /* Debug Comm Status */
#define OCD_PID                         0x011c  /* Ownership Trace PID */
#define OCD_EPC0                        0x0120  /* Event Pair Control 0 */
#define OCD_EPC1                        0x0124  /* Event Pair Control 1 */
#define OCD_EPC2                        0x0128  /* Event Pair Control 2 */
#define OCD_EPC3                        0x012c  /* Event Pair Control 3 */
#define OCD_AXC                         0x0130  /* AUX port Control */

/* Bits in DID */
#define OCD_DID_MID_START               1
#define OCD_DID_MID_SIZE                11
#define OCD_DID_PN_START                12
#define OCD_DID_PN_SIZE                 16
#define OCD_DID_RN_START                28
#define OCD_DID_RN_SIZE                 4

/* Bits in DC */
#define OCD_DC_TM_START                 0
#define OCD_DC_TM_SIZE                  2
#define OCD_DC_EIC_START                3
#define OCD_DC_EIC_SIZE                 2
#define OCD_DC_OVC_START                5
#define OCD_DC_OVC_SIZE                 3
#define OCD_DC_SS_BIT                   8
#define OCD_DC_DBR_BIT                  12
#define OCD_DC_DBE_BIT                  13
#define OCD_DC_EOS_START                20
#define OCD_DC_EOS_SIZE                 2
#define OCD_DC_SQA_BIT                  22
#define OCD_DC_IRP_BIT                  23
#define OCD_DC_IFM_BIT                  24
#define OCD_DC_TOZ_BIT                  25
#define OCD_DC_TSR_BIT                  26
#define OCD_DC_RID_BIT                  27
#define OCD_DC_ORP_BIT                  28
#define OCD_DC_MM_BIT                   29
#define OCD_DC_RES_BIT                  30
#define OCD_DC_ABORT_BIT                31

/* Bits in DS */
#define OCD_DS_SSS_BIT                  0
#define OCD_DS_SWB_BIT                  1
#define OCD_DS_HWB_BIT                  2
#define OCD_DS_HWE_BIT                  3
#define OCD_DS_STP_BIT                  4
#define OCD_DS_DBS_BIT                  5
#define OCD_DS_BP_START                 8
#define OCD_DS_BP_SIZE                  8
#define OCD_DS_INC_BIT                  24
#define OCD_DS_BOZ_BIT                  25
#define OCD_DS_DBA_BIT                  26
#define OCD_DS_EXB_BIT                  27
#define OCD_DS_NTBF_BIT                 28

/* Bits in RWCS */
#define OCD_RWCS_DV_BIT                 0
#define OCD_RWCS_ERR_BIT                1
#define OCD_RWCS_CNT_START              2
#define OCD_RWCS_CNT_SIZE               14
#define OCD_RWCS_CRC_BIT                19
#define OCD_RWCS_NTBC_START             20
#define OCD_RWCS_NTBC_SIZE              2
#define OCD_RWCS_NTE_BIT                22
#define OCD_RWCS_NTAP_BIT               23
#define OCD_RWCS_WRAPPED_BIT            24
#define OCD_RWCS_CCTRL_START            25
#define OCD_RWCS_CCTRL_SIZE             2
#define OCD_RWCS_SZ_START               27
#define OCD_RWCS_SZ_SIZE                3
#define OCD_RWCS_RW_BIT                 30
#define OCD_RWCS_AC_BIT                 31

/* Bits in RWA */
#define OCD_RWA_RWA_START               0
#define OCD_RWA_RWA_SIZE                32

/* Bits in RWD */
#define OCD_RWD_RWD_START               0
#define OCD_RWD_RWD_SIZE                32

/* Bits in WT */
#define OCD_WT_DTE_START                20
#define OCD_WT_DTE_SIZE                 3
#define OCD_WT_DTS_START                23
#define OCD_WT_DTS_SIZE                 3
#define OCD_WT_PTE_START                26
#define OCD_WT_PTE_SIZE                 3
#define OCD_WT_PTS_START                29
#define OCD_WT_PTS_SIZE                 3

/* Bits in DTC */
#define OCD_DTC_T0WP_BIT                0
#define OCD_DTC_T1WP_BIT                1
#define OCD_DTC_ASID0EN_BIT             2
#define OCD_DTC_ASID0_START             3
#define OCD_DTC_ASID0_SIZE              8
#define OCD_DTC_ASID1EN_BIT             11
#define OCD_DTC_ASID1_START             12
#define OCD_DTC_ASID1_SIZE              8
#define OCD_DTC_RWT1_START              28
#define OCD_DTC_RWT1_SIZE               2
#define OCD_DTC_RWT0_START              30
#define OCD_DTC_RWT0_SIZE               2

/* Bits in DTSA0 */
#define OCD_DTSA0_DTSA_START            0
#define OCD_DTSA0_DTSA_SIZE             32

/* Bits in DTSA1 */
#define OCD_DTSA1_DTSA_START            0
#define OCD_DTSA1_DTSA_SIZE             32

/* Bits in DTEA0 */
#define OCD_DTEA0_DTEA_START            0
#define OCD_DTEA0_DTEA_SIZE             32

/* Bits in DTEA1 */
#define OCD_DTEA1_DTEA_START            0
#define OCD_DTEA1_DTEA_SIZE             32

/* Bits in BWC0A */
#define OCD_BWC0A_ASIDEN_BIT            0
#define OCD_BWC0A_ASID_START            1
#define OCD_BWC0A_ASID_SIZE             8
#define OCD_BWC0A_EOC_BIT               14
#define OCD_BWC0A_AME_BIT               25
#define OCD_BWC0A_BWE_START             30
#define OCD_BWC0A_BWE_SIZE              2

/* Bits in BWC0B */
#define OCD_BWC0B_ASIDEN_BIT            0
#define OCD_BWC0B_ASID_START            1
#define OCD_BWC0B_ASID_SIZE             8
#define OCD_BWC0B_EOC_BIT               14
#define OCD_BWC0B_AME_BIT               25
#define OCD_BWC0B_BWE_START             30
#define OCD_BWC0B_BWE_SIZE              2

/* Bits in BWC1A */
#define OCD_BWC1A_ASIDEN_BIT            0
#define OCD_BWC1A_ASID_START            1
#define OCD_BWC1A_ASID_SIZE             8
#define OCD_BWC1A_EOC_BIT               14
#define OCD_BWC1A_AME_BIT               25
#define OCD_BWC1A_BWE_START             30
#define OCD_BWC1A_BWE_SIZE              2

/* Bits in BWC1B */
#define OCD_BWC1B_ASIDEN_BIT            0
#define OCD_BWC1B_ASID_START            1
#define OCD_BWC1B_ASID_SIZE             8
#define OCD_BWC1B_EOC_BIT               14
#define OCD_BWC1B_AME_BIT               25
#define OCD_BWC1B_BWE_START             30
#define OCD_BWC1B_BWE_SIZE              2

/* Bits in BWC2A */
#define OCD_BWC2A_ASIDEN_BIT            0
#define OCD_BWC2A_ASID_START            1
#define OCD_BWC2A_ASID_SIZE             8
#define OCD_BWC2A_EOC_BIT               14
#define OCD_BWC2A_AMB_START             20
#define OCD_BWC2A_AMB_SIZE              5
#define OCD_BWC2A_AME_BIT               25
#define OCD_BWC2A_BWE_START             30
#define OCD_BWC2A_BWE_SIZE              2

/* Bits in BWC2B */
#define OCD_BWC2B_ASIDEN_BIT            0
#define OCD_BWC2B_ASID_START            1
#define OCD_BWC2B_ASID_SIZE             8
#define OCD_BWC2B_EOC_BIT               14
#define OCD_BWC2B_AME_BIT               25
#define OCD_BWC2B_BWE_START             30
#define OCD_BWC2B_BWE_SIZE              2

/* Bits in BWC3A */
#define OCD_BWC3A_ASIDEN_BIT            0
#define OCD_BWC3A_ASID_START            1
#define OCD_BWC3A_ASID_SIZE             8
#define OCD_BWC3A_SIZE_START            9
#define OCD_BWC3A_SIZE_SIZE             3
#define OCD_BWC3A_EOC_BIT               14
#define OCD_BWC3A_BWO_START             16
#define OCD_BWC3A_BWO_SIZE              2
#define OCD_BWC3A_BME_START             20
#define OCD_BWC3A_BME_SIZE              4
#define OCD_BWC3A_BRW_START             28
#define OCD_BWC3A_BRW_SIZE              2
#define OCD_BWC3A_BWE_START             30
#define OCD_BWC3A_BWE_SIZE              2

/* Bits in BWC3B */
#define OCD_BWC3B_ASIDEN_BIT            0
#define OCD_BWC3B_ASID_START            1
#define OCD_BWC3B_ASID_SIZE             8
#define OCD_BWC3B_SIZE_START            9
#define OCD_BWC3B_SIZE_SIZE             3
#define OCD_BWC3B_EOC_BIT               14
#define OCD_BWC3B_BWO_START             16
#define OCD_BWC3B_BWO_SIZE              2
#define OCD_BWC3B_BME_START             20
#define OCD_BWC3B_BME_SIZE              4
#define OCD_BWC3B_BRW_START             28
#define OCD_BWC3B_BRW_SIZE              2
#define OCD_BWC3B_BWE_START             30
#define OCD_BWC3B_BWE_SIZE              2

/* Bits in BWA0A */
#define OCD_BWA0A_BWA_START             0
#define OCD_BWA0A_BWA_SIZE              32

/* Bits in BWA0B */
#define OCD_BWA0B_BWA_START             0
#define OCD_BWA0B_BWA_SIZE              32

/* Bits in BWA1A */
#define OCD_BWA1A_BWA_START             0
#define OCD_BWA1A_BWA_SIZE              32

/* Bits in BWA1B */
#define OCD_BWA1B_BWA_START             0
#define OCD_BWA1B_BWA_SIZE              32

/* Bits in BWA2A */
#define OCD_BWA2A_BWA_START             0
#define OCD_BWA2A_BWA_SIZE              32

/* Bits in BWA2B */
#define OCD_BWA2B_BWA_START             0
#define OCD_BWA2B_BWA_SIZE              32

/* Bits in BWA3A */
#define OCD_BWA3A_BWA_START             0
#define OCD_BWA3A_BWA_SIZE              32

/* Bits in BWA3B */
#define OCD_BWA3B_BWA_START             0
#define OCD_BWA3B_BWA_SIZE              32

/* Bits in NXCFG */
#define OCD_NXCFG_NXARCH_START          0
#define OCD_NXCFG_NXARCH_SIZE           4
#define OCD_NXCFG_NXOCD_START           4
#define OCD_NXCFG_NXOCD_SIZE            4
#define OCD_NXCFG_NXPCB_START           8
#define OCD_NXCFG_NXPCB_SIZE            4
#define OCD_NXCFG_NXDB_START            12
#define OCD_NXCFG_NXDB_SIZE             4
#define OCD_NXCFG_MXMSEO_BIT            16
#define OCD_NXCFG_NXMDO_START           17
#define OCD_NXCFG_NXMDO_SIZE            4
#define OCD_NXCFG_NXPT_BIT              21
#define OCD_NXCFG_NXOT_BIT              22
#define OCD_NXCFG_NXDWT_BIT             23
#define OCD_NXCFG_NXDRT_BIT             24
#define OCD_NXCFG_NXDTC_START           25
#define OCD_NXCFG_NXDTC_SIZE            3
#define OCD_NXCFG_NXDMA_BIT             28

/* Bits in DINST */
#define OCD_DINST_DINST_START           0
#define OCD_DINST_DINST_SIZE            32

/* Bits in CPUCM */
#define OCD_CPUCM_BEM_BIT               1
#define OCD_CPUCM_FEM_BIT               2
#define OCD_CPUCM_REM_BIT               3
#define OCD_CPUCM_IBEM_BIT              4
#define OCD_CPUCM_IEEM_BIT              5

/* Bits in DCCPU */
#define OCD_DCCPU_DATA_START            0
#define OCD_DCCPU_DATA_SIZE             32

/* Bits in DCEMU */
#define OCD_DCEMU_DATA_START            0
#define OCD_DCEMU_DATA_SIZE             32

/* Bits in DCSR */
#define OCD_DCSR_CPUD_BIT               0
#define OCD_DCSR_EMUD_BIT               1

/* Bits in PID */
#define OCD_PID_PROCESS_START           0
#define OCD_PID_PROCESS_SIZE            32

/* Bits in EPC0 */
#define OCD_EPC0_RNG_START              0
#define OCD_EPC0_RNG_SIZE               2
#define OCD_EPC0_CE_BIT                 4
#define OCD_EPC0_ECNT_START             16
#define OCD_EPC0_ECNT_SIZE              16

/* Bits in EPC1 */
#define OCD_EPC1_RNG_START              0
#define OCD_EPC1_RNG_SIZE               2
#define OCD_EPC1_ATB_BIT                5
#define OCD_EPC1_AM_BIT                 6

/* Bits in EPC2 */
#define OCD_EPC2_RNG_START              0
#define OCD_EPC2_RNG_SIZE               2
#define OCD_EPC2_DB_START               2
#define OCD_EPC2_DB_SIZE                2

/* Bits in EPC3 */
#define OCD_EPC3_RNG_START              0
#define OCD_EPC3_RNG_SIZE               2
#define OCD_EPC3_DWE_BIT                2

/* Bits in AXC */
#define OCD_AXC_DIV_START               0
#define OCD_AXC_DIV_SIZE                4
#define OCD_AXC_AXE_BIT                 8
#define OCD_AXC_AXS_BIT                 9
#define OCD_AXC_DDR_BIT                 10
#define OCD_AXC_LS_BIT                  11
#define OCD_AXC_REX_BIT                 12
#define OCD_AXC_REXTEN_BIT              13

/* Constants for DC:EIC */
#define OCD_EIC_PROGRAM_AND_DATA_TRACE  0
#define OCD_EIC_BREAKPOINT              1
#define OCD_EIC_NOP                     2

/* Constants for DC:OVC */
#define OCD_OVC_OVERRUN                 0
#define OCD_OVC_DELAY_CPU_BTM           1
#define OCD_OVC_DELAY_CPU_DTM           2
#define OCD_OVC_DELAY_CPU_BTM_DTM       3

/* Constants for DC:EOS */
#define OCD_EOS_NOP                     0
#define OCD_EOS_DEBUG_MODE              1
#define OCD_EOS_BREAKPOINT_WATCHPOINT   2
#define OCD_EOS_THQ                     3

/* Constants for RWCS:NTBC */
#define OCD_NTBC_OVERWRITE              0
#define OCD_NTBC_DISABLE                1
#define OCD_NTBC_BREAKPOINT             2

/* Constants for RWCS:CCTRL */
#define OCD_CCTRL_AUTO                  0
#define OCD_CCTRL_CACHED                1
#define OCD_CCTRL_UNCACHED              2

/* Constants for RWCS:SZ */
#define OCD_SZ_BYTE                     0
#define OCD_SZ_HALFWORD                 1
#define OCD_SZ_WORD                     2

/* Constants for WT:PTS */
#define OCD_PTS_DISABLED                0
#define OCD_PTS_PROGRAM_0B              1
#define OCD_PTS_PROGRAM_1A              2
#define OCD_PTS_PROGRAM_1B              3
#define OCD_PTS_PROGRAM_2A              4
#define OCD_PTS_PROGRAM_2B              5
#define OCD_PTS_DATA_3A                 6
#define OCD_PTS_DATA_3B                 7

/* Constants for DTC:RWT1 */
#define OCD_RWT1_NO_TRACE               0
#define OCD_RWT1_DATA_READ              1
#define OCD_RWT1_DATA_WRITE             2
#define OCD_RWT1_DATA_READ_WRITE        3

/* Constants for DTC:RWT0 */
#define OCD_RWT0_NO_TRACE               0
#define OCD_RWT0_DATA_READ              1
#define OCD_RWT0_DATA_WRITE             2
#define OCD_RWT0_DATA_READ_WRITE        3

/* Constants for BWC0A:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC0B:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC1A:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC1B:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC2A:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC2B:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC3A:SIZE */
#define OCD_SIZE_BYTE_ACCESS            4
#define OCD_SIZE_HALFWORD_ACCESS        5
#define OCD_SIZE_WORD_ACCESS            6
#define OCD_SIZE_DOUBLE_WORD_ACCESS     7

/* Constants for BWC3A:BRW */
#define OCD_BRW_READ_BREAK              0
#define OCD_BRW_WRITE_BREAK             1
#define OCD_BRW_ANY_ACCES_BREAK         2

/* Constants for BWC3A:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for BWC3B:SIZE */
#define OCD_SIZE_BYTE_ACCESS            4
#define OCD_SIZE_HALFWORD_ACCESS        5
#define OCD_SIZE_WORD_ACCESS            6
#define OCD_SIZE_DOUBLE_WORD_ACCESS     7

/* Constants for BWC3B:BRW */
#define OCD_BRW_READ_BREAK              0
#define OCD_BRW_WRITE_BREAK             1
#define OCD_BRW_ANY_ACCES_BREAK         2

/* Constants for BWC3B:BWE */
#define OCD_BWE_DISABLED                0
#define OCD_BWE_BREAKPOINT_ENABLED      1
#define OCD_BWE_WATCHPOINT_ENABLED      3

/* Constants for EPC0:RNG */
#define OCD_RNG_DISABLED                0
#define OCD_RNG_EXCLUSIVE               1
#define OCD_RNG_INCLUSIVE               2

/* Constants for EPC1:RNG */
#define OCD_RNG_DISABLED                0
#define OCD_RNG_EXCLUSIVE               1
#define OCD_RNG_INCLUSIVE               2

/* Constants for EPC2:RNG */
#define OCD_RNG_DISABLED                0
#define OCD_RNG_EXCLUSIVE               1
#define OCD_RNG_INCLUSIVE               2

/* Constants for EPC2:DB */
#define OCD_DB_DISABLED                 0
#define OCD_DB_CHAINED_B                1
#define OCD_DB_CHAINED_A                2
#define OCD_DB_AHAINED_A_AND_B          3

/* Constants for EPC3:RNG */
#define OCD_RNG_DISABLED                0
#define OCD_RNG_EXCLUSIVE               1
#define OCD_RNG_INCLUSIVE               2

#ifndef __ASSEMBLER__

/* Register access macros */
static inline unsigned long __ocd_read(unsigned int reg)
{
        return __builtin_mfdr(reg);
}

static inline void __ocd_write(unsigned int reg, unsigned long value)
{
        __builtin_mtdr(reg, value);
}

#define ocd_read(reg)                   __ocd_read(OCD_##reg)
#define ocd_write(reg, value)           __ocd_write(OCD_##reg, value)

struct task_struct;

void ocd_enable(struct task_struct *child);
void ocd_disable(struct task_struct *child);

#endif /* !__ASSEMBLER__ */

#endif /* __ASM_AVR32_OCD_H */