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/* Copyright (c) 2009, 2010, 2011, 2012 ARM Ltd. All rights reserved.
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. The name of the company may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY ARM LTD ``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 ARM LTD 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. */
#include <_ansi.h>
/* Now the SWI numbers and reason codes for RDI (Angel) monitors. */
#define AngelSVC 0xF000
#define AngelSVCInsn "hlt"
#define AngelSVCAsm hlt
/* The reason codes: */
#define AngelSVC_Reason_Open 0x01
#define AngelSVC_Reason_Close 0x02
#define AngelSVC_Reason_WriteC 0x03
#define AngelSVC_Reason_Write0 0x04
#define AngelSVC_Reason_Write 0x05
#define AngelSVC_Reason_Read 0x06
#define AngelSVC_Reason_ReadC 0x07
#define AngelSVC_Reason_IsError 0x08
#define AngelSVC_Reason_IsTTY 0x09
#define AngelSVC_Reason_Seek 0x0A
#define AngelSVC_Reason_FLen 0x0C
#define AngelSVC_Reason_TmpNam 0x0D
#define AngelSVC_Reason_Remove 0x0E
#define AngelSVC_Reason_Rename 0x0F
#define AngelSVC_Reason_Clock 0x10
#define AngelSVC_Reason_Time 0x11
#define AngelSVC_Reason_System 0x12
#define AngelSVC_Reason_Errno 0x13
#define AngelSVC_Reason_GetCmdLine 0x15
#define AngelSVC_Reason_HeapInfo 0x16
#define AngelSVC_Reason_EnterSVC 0x17
#define AngelSVC_Reason_ReportException 0x18
#define AngelSVC_Reason_SyncCacheRange 0x19
#define AngelSVC_Reason_ReportExceptionExtended 0x20
#define AngelSVC_Reason_Elapsed 0x30
#define AngelSVC_Reason_TickFreq 0x31
#define ADP_Stopped_ApplicationExit ((2 << 16) + 38)
#define ADP_Stopped_RunTimeError ((2 << 16) + 35)
/* Semihosting feature magic numbers. */
#define NUM_SHFB_MAGIC 4
#define SHFB_MAGIC_0 0x53
#define SHFB_MAGIC_1 0x48
#define SHFB_MAGIC_2 0x46
#define SHFB_MAGIC_3 0x42
/* Semihosting extensions. */
#define SH_EXT_EXIT_EXTENDED_BITNUM 0x0
#define SH_EXT_STDOUT_STDERR_BITNUM 0x1
#if !defined (__ASSEMBLER__)
extern int _get_semihosting_exts (char*, int, int);
extern int _has_ext_exit_extended (void);
extern int _has_ext_stdout_stderr (void);
#endif
#if defined(ARM_RDI_MONITOR) && !defined(__ASSEMBLER__)
/* Type of each entry in a parameter block. */
typedef long long param_block_t;
static inline long long
do_AngelSVC (int reason, param_block_t * arg)
{
long long value;
asm volatile ("mov w0, %w1; mov x1, %2; " AngelSVCInsn " %3; mov %0, x0"
: "=r" (value) /* Outputs */
: "r" (reason), "r" (arg), "n" (AngelSVC) /* Inputs */
: "x0", "x1", "x2", "x3", "x17", "x30", "memory", "cc"
/* Clobbers x0 and x1, and lr if in supervisor mode */);
return value;
}
#endif
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