Add basic syscall logic for i486 and AVR32

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3437 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-03-30 00:50:16 +00:00
parent 8627074067
commit bb742a9123
5 changed files with 458 additions and 1 deletions

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/****************************************************************************
* arch/avr/include/avr32/syscall.h
*
* Copyright (C) 2011 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 NuttX 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 include/syscall.h or include/sys/sycall.h
*/
#ifndef __ARCH_AVR_INCLUDE_AVR32_SYSCALL_H
#define __ARCH_AVR_INCLUDE_AVR32_SYSCALL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define SYS_syscall 0x80
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* SWI with SYS_ call number and six parameters */
EXTERN uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5,
uintptr_t parm6);
/* SWI with SYS_ call number and no parameters */
static inline uintptr_t sys_call0(unsigned int nbr)
{
return sys_call6(nbr, 0, 0, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and one parameter */
static inline uintptr_t sys_call1(unsigned int nbr, uintptr_t parm1)
{
return sys_call6(nbr, parm1, 0, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and two parameters */
static inline uintptr_t sys_call2(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2)
{
return sys_call6(nbr, parm1, parm2, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and three parameters */
static inline uintptr_t sys_call3(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3)
{
return sys_call6(nbr, parm1, parm2, parm3, 0, 0, 0);
}
/* SWI with SYS_ call number and four parameters */
static inline uintptr_t sys_call4(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4)
{
return sys_call6(nbr, parm1, parm2, parm3, parm4, 0, 0);
}
/* SWI with SYS_ call number and five parameters */
static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5)
{
return sys_call6(nbr, parm1, parm2, parm3, parm4, parm5, 0);
}
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_AVR_INCLUDE_AVR32_SYSCALL_H */

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/****************************************************************************
* arch/avr/src/avr32/up_syscall6.S
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Based on Bran's kernel development tutorials. Rewritten for JamesM's
* kernel development tutorials.
*
* 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 NuttX 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.
*
****************************************************************************/
.file "up_syscall6.S"
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Globals
****************************************************************************/
/****************************************************************************
* .text
****************************************************************************/
.text
/****************************************************************************
* Name: sys_call6
*
* C Prototype:
* uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
* uintptr_t parm2, uintptr_t parm3,
* uintptr_t parm4, uintptr_t parm5,
* uintptr_t parm6);
*
****************************************************************************/
.global sys_call6
.type sys_call6, @function
.align 2
sys_call6:
stm --sp, r3, r5, r6, lr
sub lr, sp, -16
mov r8, r12
ldm lr, r3, r5, r9-r12
scall
ldm sp++, r3, r5, r6, pc
.size sys_call6, . - sys_call6

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@ -0,0 +1,138 @@
/****************************************************************************
* arch/x86/include/i486/syscall.h
*
* Copyright (C) 2011 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 NuttX 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 include/syscall.h or include/sys/sycall.h
*/
#ifndef __ARCH_X86_INCLUDE_I486_SYSCALL_H
#define __ARCH_X86_INCLUDE_I486_SYSCALL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
#define SYS_syscall 0x80
/****************************************************************************
* Public Types
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifndef __ASSEMBLY__
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/* SWI with SYS_ call number and six parameters */
EXTERN uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5,
uintptr_t parm6);
/* SWI with SYS_ call number and no parameters */
static inline uintptr_t sys_call0(unsigned int nbr)
{
return sys_call6(nbr, 0, 0, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and one parameter */
static inline uintptr_t sys_call1(unsigned int nbr, uintptr_t parm1)
{
return sys_call6(nbr, parm1, 0, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and two parameters */
static inline uintptr_t sys_call2(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2)
{
return sys_call6(nbr, parm1, parm2, 0, 0, 0, 0);
}
/* SWI with SYS_ call number and three parameters */
static inline uintptr_t sys_call3(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3)
{
return sys_call6(nbr, parm1, parm2, parm3, 0, 0, 0);
}
/* SWI with SYS_ call number and four parameters */
static inline uintptr_t sys_call4(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4)
{
return sys_call6(nbr, parm1, parm2, parm3, parm4, 0, 0);
}
/* SWI with SYS_ call number and five parameters */
static inline uintptr_t sys_call5(unsigned int nbr, uintptr_t parm1,
uintptr_t parm2, uintptr_t parm3,
uintptr_t parm4, uintptr_t parm5)
{
return sys_call6(nbr, parm1, parm2, parm3, parm4, parm5, 0);
}
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif
#endif /* __ARCH_X86_INCLUDE_I486_SYSCALL_H */

97
arch/x86/src/i486/up_syscall6.S Executable file
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/****************************************************************************
* arch/x86/src/i486/up_syscall6.S
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Based on Bran's kernel development tutorials. Rewritten for JamesM's
* kernel development tutorials.
*
* 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 NuttX 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.
*
****************************************************************************/
.file "up_syscall6.S"
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Globals
****************************************************************************/
/****************************************************************************
* .text
****************************************************************************/
.text
/****************************************************************************
* Name: sys_call6
*
* C Prototype:
* uintptr_t sys_call6(unsigned int nbr, uintptr_t parm1,
* uintptr_t parm2, uintptr_t parm3,
* uintptr_t parm4, uintptr_t parm5,
* uintptr_t parm6);
*
****************************************************************************/
.global sys_call6
.type sys_call6, %function
sys_call6:
pushl %ebp /* Save ebx, esi, edi, and ebp */
pushl %edi
pushl %esi
pushl %ebx
movl 44(%esp),%ebp /* Save parm6 in ebp */
movl 40(%esp),%edi /* Save parm5 in edi */
movl 36(%esp),%esi /* Save parm4 in esi */
movl 32(%esp),%edx /* Save parm3 in edx */
movl 28(%esp),%ecx /* Save parm2 in ecx */
movl 24(%esp),%ebx /* Save parm1 in ebx */
movl 20(%esp),%eax /* Save syscall number in eax */
int $0x80 /* Execute the trap */
/* Return value is in %eax */
popl %ebx /* Restore ebx, esi, edi, and ebp */
popl %esi
popl %edi
popl %ebp
ret /* And return with result in %eax */
.size sys_call6,.-sys_call6
.end

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@ -39,7 +39,7 @@ HEAD_ASRC = qemu_head.S
# Common x86 and i486 files
CMN_ASRCS = i486_utils.S
CMN_ASRCS = i486_utils.S up_syscall6.S
CMN_CSRCS = up_allocateheap.c up_assert.c up_blocktask.c up_copystate.c \
up_createstack.c up_mdelay.c up_udelay.c up_exit.c\
up_initialize.c up_initialstate.c up_interruptcontext.c up_irq.c \