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/* $Id: entry.S,v 1.71 2001/07/27 11:47:50 gniibe Exp $
*
* linux/arch/sh/entry.S
*
* Copyright (C) 1999, 2000 Niibe Yutaka
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
*/
#include <linux/sys.h>
#include <linux/linkage.h>
#include <linux/config.h>
/*
* Define this to turn on compatibility with the previous
* system call ABI. This feature is not properly maintained.
*/
#undef COMPAT_OLD_SYSCALL_ABI
! NOTE:
! GNU as (as of 2.9.1) changes bf/s into bt/s and bra, when the address
! to be jumped is too far, but it causes illegal slot exception.
/*
* entry.S contains the system-call and fault low-level handling routines.
* This also contains the timer-interrupt handler, as well as all interrupts
* and faults that can result in a task-switch.
*
* NOTE: This code handles signal-recognition, which happens every time
* after a timer-interrupt and after each system call.
*
* NOTE: This code uses a convention that instructions in the delay slot
* of a transfer-control instruction are indented by an extra space, thus:
*
* jmp @k0 ! control-transfer instruction
* ldc k1, ssr ! delay slot
*
* Stack layout in 'ret_from_syscall':
* ptrace needs to have all regs on the stack.
* if the order here is changed, it needs to be
* updated in ptrace.c and ptrace.h
*
* r0
* ...
* r15 = stack pointer
* spc
* pr
* ssr
* gbr
* mach
* macl
* syscall #
*
*/
/*
* These are offsets into the task-struct.
*/
flags = 4
sigpending = 8
need_resched = 20
tsk_ptrace = 24
PT_TRACESYS = 0x00000002
PF_USEDFPU = 0x00100000
ENOSYS = 38
EINVAL = 22
#if defined(__sh3__)
TRA = 0xffffffd0
EXPEVT = 0xffffffd4
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709)
INTEVT = 0xa4000000 ! INTEVTE2(0xa4000000)
#else
INTEVT = 0xffffffd8
#endif
MMU_TEA = 0xfffffffc ! TLB Exception Address Register
#elif defined(__SH4__)
TRA = 0xff000020
EXPEVT = 0xff000024
INTEVT = 0xff000028
MMU_TEA = 0xff00000c ! TLB Exception Address Register
#endif
/* Offsets to the stack */
OFF_R0 = 0 /* Return value. New ABI also arg4 */
OFF_R1 = 4 /* New ABI: arg5 */
OFF_R2 = 8 /* New ABI: arg6 */
OFF_R3 = 12 /* New ABI: syscall_nr */
OFF_R4 = 16 /* New ABI: arg0 */
OFF_R5 = 20 /* New ABI: arg1 */
OFF_R6 = 24 /* New ABI: arg2 */
OFF_R7 = 28 /* New ABI: arg3 */
OFF_SP = (15*4)
OFF_SR = (16*4+8)
SYSCALL_NR = (16*4+6*4)
#define k0 r0
#define k1 r1
#define k2 r2
#define k3 r3
#define k4 r4
#define current r7 /* r7_bank1 */
#define g_imask r6 /* r6_bank1 */
#define k_current r7_bank /* r7_bank1 */
#define k_g_imask r6_bank /* r6_bank1 */
#define k_ex_code r2_bank /* r2_bank1 */
/*
* Kernel mode register usage:
* k0 scratch
* k1 scratch
* k2 scratch (Exception code)
* k3 scratch (Return address)
* k4 scratch
* k5 reserved
* k6 Global Interrupt Mask (0--15 << 4)
* k7 CURRENT (pointer to current task)
*/
!
! TLB Miss / Initial Page write exception handling
! _and_
! TLB hits, but the access violate the protection.
! It can be valid access, such as stack grow and/or C-O-W.
!
!
! Find the pmd/pte entry and loadtlb
! If it's not found, cause address error (SEGV)
!
! Although this could be written in assembly language (and it'd be faster),
! this first version depends *much* on C implementation.
!
#define STI() \
mov.l __INV_IMASK, r11; \
stc sr, r10; \
and r11, r10; \
stc k_g_imask, r11; \
or r11, r10; \
ldc r10, sr
.align 2
tlb_miss_load:
bra call_dpf
mov #0, r5
.align 2
tlb_miss_store:
bra call_dpf
mov #1, r5
.align 2
initial_page_write:
bra call_dpf
mov #1, r5
.align 2
tlb_protection_violation_load:
bra call_dpf
mov #0, r5
.align 2
tlb_protection_violation_store:
bra call_dpf
mov #1, r5
call_dpf:
mov.l 1f, r0
mov r5, r8
mov.l @r0, r6
mov r6, r9
mov.l 2f, r0
sts pr, r10
jsr @r0
mov r15, r4
!
tst r0, r0
bf/s 0f
lds r10, pr
rts
nop
0: STI()
mov.l 3f, r0
mov r9, r6
mov r8, r5
jmp @r0
mov r15, r4
.align 2
1: .long MMU_TEA
2: .long SYMBOL_NAME(__do_page_fault)
3: .long SYMBOL_NAME(do_page_fault)
.align 2
address_error_load:
bra call_dae
mov #0,r5 ! writeaccess = 0
.align 2
address_error_store:
bra call_dae
mov #1,r5 ! writeaccess = 1
call_dae:
mov.l 1f, r0
mov.l @r0, r6 ! address
mov.l 2f, r0
jmp @r0
mov r15, r4 ! regs
.align 2
1: .long MMU_TEA
2: .long SYMBOL_NAME(do_address_error)
#if defined(CONFIG_SH_STANDARD_BIOS)
.align 2
/* Unwind the stack and jmp to the debug entry */
debug_kernel:
mov.l @r15+, r0
mov.l @r15+, r1
mov.l @r15+, r2
mov.l @r15+, r3
mov.l @r15+, r4
mov.l @r15+, r5
mov.l @r15+, r6
mov.l @r15+, r7
stc sr, r8
mov.l 1f, r9 ! BL =1, RB=1, IMASK=0x0F
or r9, r8
ldc r8, sr ! here, change the register bank
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
mov.l @r15+, r11
mov.l @r15+, r12
mov.l @r15+, r13
mov.l @r15+, r14
mov.l @r15+, k0
ldc.l @r15+, spc
lds.l @r15+, pr
mov.l @r15+, k1
ldc.l @r15+, gbr
lds.l @r15+, mach
lds.l @r15+, macl
mov k0, r15
!
mov.l 2f, k0
mov.l @k0, k0
jmp @k0
ldc k1, ssr
.align 2
1: .long 0x300000f0
2: .long SYMBOL_NAME(gdb_vbr_vector)
#endif
.align 2
debug_trap:
#if defined(CONFIG_SH_STANDARD_BIOS)
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
shll r0
shll r0 ! kernel space?
bt/s debug_kernel
#endif
mov.l @r15, r0
mov.l 1f, r8
jmp @r8
nop
.align 2
1: .long SYMBOL_NAME(break_point_trap_software)
.align 2
error:
!
STI()
mov.l 1f, r0
jmp @r0
nop
.align 2
1: .long SYMBOL_NAME(do_exception_error)
!
!
!
ENTRY(ret_from_fork)
mov.l @r15+,r0
! Call schedule_tail
mov.l 1f, r1
jsr @r1
mov r0, r4
! If we're being traced, return via syscall_ret_trace, otherwise
! return directly to ret_from_syscall
stc k_current, r0
mov.l @(tsk_ptrace,r0), r0 ! Is current PTRACE_SYSCALL'd?
mov #PT_TRACESYS, r1
tst r1, r0
bt ret_from_syscall
bra syscall_ret_trace
nop
.align 2
1: .long SYMBOL_NAME(schedule_tail)
/*
* Old syscall interface:
*
* Syscall #: R0
* Arguments #0 to #3: R4--R7
* more arguments: On the stack
* TRA: (number of arguments on the stack) x 4
*
* New syscall interface:
*
* Syscall #: R3
* Arguments #0 to #3: R4--R7
* Arguments #4 to #6: R0, R1, R2
* TRA: (number of arguments + 0x10) x 4
*
* This code also handles delegating other traps to the BIOS/gdb stub
* according to:
*
* Trap number
* (TRA>>2) Purpose
* -------- -------
* 0x0-0xf old syscall ABI
* 0x10-0x1f new syscall ABI
* 0x20-0xff delegated through debug_trap to BIOS/gdb stub.
*
* Note: When we're first called, the TRA value must be shifted
* right 2 bits in order to get the value that was used as the "trapa"
* argument.
*/
system_call:
mov.l __TRA, r9
mov.l @r9, r8
!
! Is the trap argument >= 0x20? (TRA will be >= 0x80)
mov #0x20, r9
extu.b r9, r9
shll2 r9
cmp/hs r9, r8
bt debug_trap
!
mov #SYSCALL_NR, r14
add r15, r14
!
#ifdef COMPAT_OLD_SYSCALL_ABI
mov #0x40, r9
cmp/hs r9, r8
bf/s old_abi_system_call
nop
#endif
! New Syscall ABI
add #-0x40, r8
shlr2 r8
shll8 r8
shll8 r8 ! r8 = num_args<<16
mov r3, r10
or r8, r10 ! Encode syscall # and # of arguments
mov.l r10, @r14 ! set syscall_nr
STI()
!
stc k_current, r11
mov.l @(tsk_ptrace,r11), r10 ! Is current PTRACE_SYSCALL'd?
mov #PT_TRACESYS, r11
tst r11, r10
bt 5f
! Yes it is traced.
mov.l __syscall_trace, r11 ! Call syscall_trace() which notifies
jsr @r11 ! superior (will chomp R[0-7])
nop
! Reload R0-R4 from kernel stack, where the
! parent may have modified them using
! ptrace(POKEUSR). (Note that R0-R2 are
! used by the system call handler directly
! from the kernel stack anyway, so don't need
! to be reloaded here.) This allows the parent
! to rewrite system calls and args on the fly.
mov.l @(OFF_R4,r15), r4 ! arg0
mov.l @(OFF_R5,r15), r5
mov.l @(OFF_R6,r15), r6
mov.l @(OFF_R7,r15), r7 ! arg3
mov.l @(OFF_R3,r15), r3 ! syscall_nr
! Arrange for syscall_trace() to be called
! again as the system call returns.
mov.l __syscall_ret_trace, r10
bra 6f
lds r10, pr
! No it isn't traced.
! Arrange for normal system call return.
5: mov.l __syscall_ret, r10
lds r10, pr
! Call the system call handler through the table.
! (both normal and ptrace'd)
! First check for bad syscall number
6: mov r3, r9
mov.l __n_sys, r10
cmp/hs r10, r9
bf 2f
! Bad syscall number
rts ! go to syscall_ret or syscall_ret_trace
mov #-ENOSYS, r0
! Good syscall number
2: shll2 r9 ! x4
mov.l __sct, r11
add r11, r9
mov.l @r9, r11
jmp @r11 ! jump to specific syscall handler
nop
! In case of trace
syscall_ret_trace:
mov.l r0, @(OFF_R0,r15) ! save the return value
mov.l __syscall_trace, r1
mova SYMBOL_NAME(ret_from_syscall), r0
jmp @r1 ! Call syscall_trace() which notifies superior
lds r0, pr ! Then return to ret_from_syscall()
#ifdef COMPAT_OLD_SYSCALL_ABI
! Handle old ABI system call.
! Note that ptrace(SYSCALL) is not supported for the old ABI.
! At this point:
! r0, r4-7 as per ABI
! r8 = value of TRA register (= num_args<<2)
! r14 = points to SYSCALL_NR in stack frame
old_abi_system_call:
mov r0, r9 ! Save system call number in r9
! ! arrange for return which pops stack
mov.l __old_abi_syscall_ret, r10
lds r10, pr
! Build the stack frame if TRA > 0
mov r8, r10
cmp/pl r10
bf 0f
mov.l @(OFF_SP,r15), r0 ! get original user stack
7: add #-4, r10
4: mov.l @(r0,r10), r1 ! May cause address error exception..
mov.l r1, @-r15
cmp/pl r10
bt 7b
0:
mov.l r9, @r14 ! set syscall_nr
STI()
! Call the system call handler through the table.
! First check for bad syscall number
mov.l __n_sys, r10
cmp/hs r10, r9
bf 2f
! Bad syscall number
rts ! return to old_abi_syscall_ret
mov #-ENOSYS, r0
! Good syscall number
2: shll2 r9 ! x4
mov.l __sct, r11
add r11, r9
mov.l @r9, r11
jmp @r11 ! call specific syscall handler,
nop
.align 2
__old_abi_syscall_ret:
.long old_abi_syscall_ret
! This code gets called on address error exception when copying
! syscall arguments from user stack to kernel stack. It is
! supposed to return -EINVAL through old_abi_syscall_ret, but it
! appears to have been broken for a long time in that the r0
! return value will be saved into the kernel stack relative to r15
! but the value of r15 is not correct partway through the loop.
! So the user prog is returned its old r0 value, not -EINVAL.
! Greg Banks 28 Aug 2000.
.section .fixup,"ax"
fixup_syscall_argerr:
! First get r15 back to
rts
mov #-EINVAL, r0
.previous
.section __ex_table, "a"
.align 2
.long 4b,fixup_syscall_argerr
.previous
#endif
.align 2
__TRA: .long TRA
__syscall_trace:
.long SYMBOL_NAME(syscall_trace)
__n_sys:.long NR_syscalls
__sct: .long SYMBOL_NAME(sys_call_table)
__syscall_ret_trace:
.long syscall_ret_trace
__syscall_ret:
.long syscall_ret
__INV_IMASK:
.long 0xffffff0f ! ~(IMASK)
.align 2
reschedule:
mova SYMBOL_NAME(ret_from_syscall), r0
mov.l 1f, r1
jmp @r1
lds r0, pr
.align 2
1: .long SYMBOL_NAME(schedule)
ret_from_irq:
ret_from_exception:
mov #OFF_SR, r0
mov.l @(r0,r15), r0 ! get status register
shll r0
shll r0 ! kernel space?
bt restore_all ! Yes, it's from kernel, go back soon
!
bra ret_from_syscall
nop
.align 2
#ifdef COMPAT_OLD_SYSCALL_ABI
old_abi_syscall_ret:
add r8, r15 ! pop off the arguments
/* fall through */
#endif
syscall_ret:
mov.l r0, @(OFF_R0,r15) ! save the return value
/* fall through */
ENTRY(ret_from_syscall)
/* CLI */
stc sr, r0
or #0xf0, r0
ldc r0, sr
!
stc k_current, r1
mov.l @(need_resched,r1), r0
tst r0, r0
bf reschedule
mov.l @(sigpending,r1), r0
tst r0, r0
bt restore_all
signal_return:
mov r15, r4
mov #0, r5
mov.l __do_signal, r1
mova restore_all, r0
jmp @r1
lds r0, pr
.align 2
__do_signal:
.long SYMBOL_NAME(do_signal)
__irq_stat:
.long SYMBOL_NAME(irq_stat)
.align 2
restore_all:
#if defined(__SH4__)
mov.l __fpu_prepare_fd, r0
jsr @r0
stc sr, r4
#endif
!
mov.l @r15+, r0
mov.l @r15+, r1
mov.l @r15+, r2
mov.l @r15+, r3
mov.l @r15+, r4
mov.l @r15+, r5
mov.l @r15+, r6
mov.l @r15+, r7
!
stc sr, r8
mov.l __blrb_flags, r9 ! BL =1, RB=1
or r9, r8
ldc r8, sr ! here, change the register bank
!
mov.l @r15+, r8
mov.l @r15+, r9
mov.l @r15+, r10
mov.l @r15+, r11
mov.l @r15+, r12
mov.l @r15+, r13
mov.l @r15+, r14
mov.l @r15+, k4 ! original stack pointer
ldc.l @r15+, spc
lds.l @r15+, pr
mov.l @r15+, k3 ! original SR
ldc.l @r15+, gbr
lds.l @r15+, mach
lds.l @r15+, macl
add #4, r15 ! Skip syscall number
!
! Calculate new SR value
mov k3, k2 ! original SR value
mov.l 1f, k1
stc sr, k0
and k1, k0 ! Get current FD-bit
mov.l 2f, k1
and k1, k2 ! Mask orignal SR value
or k0, k2 ! Inherit current FD-bit
!
mov k3, k0 ! Calculate IMASK-bits
shlr2 k0
and #0x3c, k0
cmp/eq #0x3c, k0
bt/s 7f
shll2 k0
mov g_imask, k0
!
7: or k0, k2 ! Set the IMASK-bits
ldc k2, ssr
!
#if defined(__SH4__)
shll k2
shll k2
bf 9f ! user mode
/* Kernel to kernel transition */
mov.l 1f, k1
tst k1, k3
bf 9f ! it hadn't FPU
! Kernel to kernel and FPU was used
! There's the case we don't get FPU now
stc sr, k2
tst k1, k2
bt 8f
! We need to grab FPU here
xor k1, k2
ldc k2, sr ! Grab FPU
mov.l __init_task_flags, k1
mov.l @k1, k2
mov.l __PF_USEDFPU, k0
or k0, k2
mov.l k2, @k1 ! Set init_task.flags |= PF_USEDFPU
!
! Restoring FPU...
!
8: mov.l 3f, k1
lds k1, fpscr
fmov.s @r15+, fr0
fmov.s @r15+, fr1
fmov.s @r15+, fr2
fmov.s @r15+, fr3
fmov.s @r15+, fr4
fmov.s @r15+, fr5
fmov.s @r15+, fr6
fmov.s @r15+, fr7
fmov.s @r15+, fr8
fmov.s @r15+, fr9
fmov.s @r15+, fr10
fmov.s @r15+, fr11
fmov.s @r15+, fr12
fmov.s @r15+, fr13
fmov.s @r15+, fr14
fmov.s @r15+, fr15
lds.l @r15+, fpscr
lds.l @r15+, fpul
9:
#endif
mov k4, r15
rte
nop
.align 2
__blrb_flags: .long 0x30000000
#if defined(__SH4__)
__fpu_prepare_fd:
.long SYMBOL_NAME(fpu_prepare_fd)
__init_task_flags:
.long SYMBOL_NAME(init_task_union)+4
__PF_USEDFPU:
.long PF_USEDFPU
#endif
1: .long 0x00008000 ! FD
2: .long 0xffff7f0f ! ~(IMASK+FD)
3: .long 0x00080000 ! SZ=0, PR=1
! Exception Vector Base
!
! Should be aligned page boundary.
!
.balign 4096,0,4096
ENTRY(vbr_base)
.long 0
!
.balign 256,0,256
general_exception:
mov.l 1f, k2
mov.l 2f, k3
bra handle_exception
mov.l @k2, k2
.align 2
2: .long ret_from_exception
1: .long EXPEVT
!
!
.balign 1024,0,1024
tlb_miss:
mov.l 1f, k2
mov.l 4f, k3
bra handle_exception
mov.l @k2, k2
!
.balign 512,0,512
interrupt:
mov.l 2f, k2
mov.l 3f, k3
bra handle_exception
mov.l @k2, k2
.align 2
1: .long EXPEVT
2: .long INTEVT
3: .long ret_from_irq
4: .long ret_from_exception
!
!
handle_exception:
! Using k0, k1 for scratch registers (r0_bank1, r1_bank),
! save all registers onto stack.
!
stc ssr, k0 ! from kernel space?
shll k0 ! Check MD bit (bit30) by shifting it into the T bit
shll k0
#if defined(__SH4__)
bf/s 8f ! it's from user to kernel transition
mov r15, k0 ! save original stack to k0
/* It's a kernel to kernel transition. */
/* Is the FPU disabled? */
mov.l 2f, k1
stc ssr, k0
tst k1, k0
mov.l 4f, k1
bf/s 9f ! FPU is not enabled, no need to save it
mov r15, k0 ! save original stack to k0
! FPU is enabled, save it
! /* XXX: Need to save another bank of FPU if all FPU feature is used */
! /* Currently it's not the case for GCC (only udivsi3_i4, divsi3_i4) */
sts.l fpul, @-r15
sts.l fpscr, @-r15
mov.l 6f, k1
lds k1, fpscr
mov.l 3f, k1
fmov.s fr15, @-r15
fmov.s fr14, @-r15
fmov.s fr13, @-r15
fmov.s fr12, @-r15
fmov.s fr11, @-r15
fmov.s fr10, @-r15
fmov.s fr9, @-r15
fmov.s fr8, @-r15
fmov.s fr7, @-r15
fmov.s fr6, @-r15
fmov.s fr5, @-r15
fmov.s fr4, @-r15
fmov.s fr3, @-r15
fmov.s fr2, @-r15
fmov.s fr1, @-r15
bra 9f
fmov.s fr0, @-r15
#else
mov.l 3f, k1
bt/s 9f ! it's a kernel to kernel transition, and skip the FPU save.
mov r15, k0 ! save original stack to k0 anyway
#endif
8: /* User space to kernel */
mov #0x20, k1
shll8 k1 ! k1 <= 8192 == THREAD_SIZE
add current, k1
mov k1, r15 ! change to kernel stack
!
mov.l 4f, k1 ! let kernel release FPU
9: ! Save the user registers on the stack.
! At this point, k1 should have been set to the new SR value
mov #-1, k4
mov.l k4, @-r15 ! syscall_nr (default: -1)
!
sts.l macl, @-r15
sts.l mach, @-r15
stc.l gbr, @-r15
stc.l ssr, @-r15
sts.l pr, @-r15
stc.l spc, @-r15
!
lds k3, pr ! Set the return address to pr
!
mov.l k0, @-r15 ! save orignal stack
mov.l r14, @-r15
mov.l r13, @-r15
mov.l r12, @-r15
mov.l r11, @-r15
mov.l r10, @-r15
mov.l r9, @-r15
mov.l r8, @-r15
!
stc sr, r8 ! Back to normal register bank, and
or k1, r8 ! Block all interrupts, may release FPU
mov.l 5f, k1
and k1, r8 ! ...
ldc r8, sr ! ...changed here.
!
mov.l r7, @-r15
mov.l r6, @-r15
mov.l r5, @-r15
mov.l r4, @-r15
mov.l r3, @-r15
mov.l r2, @-r15
mov.l r1, @-r15
mov.l r0, @-r15
! Then, dispatch to the handler, according to the exception code.
stc k_ex_code, r8
shlr2 r8
shlr r8
mov.l 1f, r9
add r8, r9
mov.l @r9, r9
jmp @r9
nop
.align 2
1: .long SYMBOL_NAME(exception_handling_table)
2: .long 0x00008000 ! FD=1
3: .long 0x000000f0 ! FD=0, IMASK=15
4: .long 0x000080f0 ! FD=1, IMASK=15
5: .long 0xcfffffff ! RB=0, BL=0
6: .long 0x00080000 ! SZ=0, PR=1
none:
rts
nop
.data
ENTRY(exception_handling_table)
.long error
.long error
.long tlb_miss_load
.long tlb_miss_store
.long initial_page_write
.long tlb_protection_violation_load
.long tlb_protection_violation_store
.long address_error_load
.long address_error_store
#if defined(__SH4__)
.long SYMBOL_NAME(do_fpu_error)
#else
.long error ! fpu_exception
#endif
.long error
.long system_call ! Unconditional Trap
.long error ! reserved_instruction (filled by trap_init)
.long error ! illegal_slot_instruction (filled by trap_init)
ENTRY(nmi_slot)
.long none ! Not implemented yet
ENTRY(user_break_point_trap)
.long break_point_trap
ENTRY(interrupt_table)
! external hardware
.long SYMBOL_NAME(do_IRQ) ! 0000
.long SYMBOL_NAME(do_IRQ) ! 0001
.long SYMBOL_NAME(do_IRQ) ! 0010
.long SYMBOL_NAME(do_IRQ) ! 0011
.long SYMBOL_NAME(do_IRQ) ! 0100
.long SYMBOL_NAME(do_IRQ) ! 0101
.long SYMBOL_NAME(do_IRQ) ! 0110
.long SYMBOL_NAME(do_IRQ) ! 0111
.long SYMBOL_NAME(do_IRQ) ! 1000
.long SYMBOL_NAME(do_IRQ) ! 1001
.long SYMBOL_NAME(do_IRQ) ! 1010
.long SYMBOL_NAME(do_IRQ) ! 1011
.long SYMBOL_NAME(do_IRQ) ! 1100
.long SYMBOL_NAME(do_IRQ) ! 1101
.long SYMBOL_NAME(do_IRQ) ! 1110
.long error
! Internal hardware
.long SYMBOL_NAME(do_IRQ) ! TMU0 tuni0
.long SYMBOL_NAME(do_IRQ) ! TMU1 tuni1
.long SYMBOL_NAME(do_IRQ) ! TMU2 tuni2
.long SYMBOL_NAME(do_IRQ) ! ticpi2
.long SYMBOL_NAME(do_IRQ) ! RTC ati
.long SYMBOL_NAME(do_IRQ) ! pri
.long SYMBOL_NAME(do_IRQ) ! cui
.long SYMBOL_NAME(do_IRQ) ! SCI eri
.long SYMBOL_NAME(do_IRQ) ! rxi
.long SYMBOL_NAME(do_IRQ) ! txi
.long SYMBOL_NAME(do_IRQ) ! tei
.long SYMBOL_NAME(do_IRQ) ! WDT iti
.long SYMBOL_NAME(do_IRQ) ! REF rcmi
.long SYMBOL_NAME(do_IRQ) ! rovi
.long SYMBOL_NAME(do_IRQ)
.long SYMBOL_NAME(do_IRQ)
#if defined(CONFIG_CPU_SUBTYPE_SH7707) || defined(CONFIG_CPU_SUBTYPE_SH7709)
.long SYMBOL_NAME(do_IRQ) ! 32 IRQ irq0
.long SYMBOL_NAME(do_IRQ) ! 33 irq1
.long SYMBOL_NAME(do_IRQ) ! 34 irq2
.long SYMBOL_NAME(do_IRQ) ! 35 irq3
.long SYMBOL_NAME(do_IRQ) ! 36 irq4
.long SYMBOL_NAME(do_IRQ) ! 37 irq5
.long SYMBOL_NAME(do_IRQ) ! 38
.long SYMBOL_NAME(do_IRQ) ! 39
.long SYMBOL_NAME(do_IRQ) ! 40 PINT pint0-7
.long SYMBOL_NAME(do_IRQ) ! 41 pint8-15
.long SYMBOL_NAME(do_IRQ) ! 42
.long SYMBOL_NAME(do_IRQ) ! 43
.long SYMBOL_NAME(do_IRQ) ! 44
.long SYMBOL_NAME(do_IRQ) ! 45
.long SYMBOL_NAME(do_IRQ) ! 46
.long SYMBOL_NAME(do_IRQ) ! 47
.long SYMBOL_NAME(do_IRQ) ! 48 DMAC dei0
.long SYMBOL_NAME(do_IRQ) ! 49 dei1
.long SYMBOL_NAME(do_IRQ) ! 50 dei2
.long SYMBOL_NAME(do_IRQ) ! 51 dei3
.long SYMBOL_NAME(do_IRQ) ! 52 IrDA eri1
.long SYMBOL_NAME(do_IRQ) ! 53 rxi1
.long SYMBOL_NAME(do_IRQ) ! 54 bri1
.long SYMBOL_NAME(do_IRQ) ! 55 txi1
.long SYMBOL_NAME(do_IRQ) ! 56 SCIF eri2
.long SYMBOL_NAME(do_IRQ) ! 57 rxi2
.long SYMBOL_NAME(do_IRQ) ! 58 bri2
.long SYMBOL_NAME(do_IRQ) ! 59 txi2
.long SYMBOL_NAME(do_IRQ) ! 60 ADC adi
#if defined(CONFIG_CPU_SUBTYPE_SH7707)
.long SYMBOL_NAME(do_IRQ) ! 61 LCDC lcdi
.long SYMBOL_NAME(do_IRQ) ! 62 PCC pcc0i
.long SYMBOL_NAME(do_IRQ) ! 63 pcc1i
#endif
#elif defined(__SH4__)
.long SYMBOL_NAME(do_IRQ) ! 32 Hitachi UDI
.long SYMBOL_NAME(do_IRQ) ! 33 GPIO
.long SYMBOL_NAME(do_IRQ) ! 34 DMAC dmte0
.long SYMBOL_NAME(do_IRQ) ! 35 dmte1
.long SYMBOL_NAME(do_IRQ) ! 36 dmte2
.long SYMBOL_NAME(do_IRQ) ! 37 dmte3
.long SYMBOL_NAME(do_IRQ) ! 38 dmae
.long error ! 39
.long SYMBOL_NAME(do_IRQ) ! 40 SCIF eri
.long SYMBOL_NAME(do_IRQ) ! 41 rxi
.long SYMBOL_NAME(do_IRQ) ! 42 bri
.long SYMBOL_NAME(do_IRQ) ! 43 txi
.long error ! 44
.long error ! 45
.long error ! 46
.long error ! 47
.long SYMBOL_NAME(do_fpu_state_restore) ! 48
.long SYMBOL_NAME(do_fpu_state_restore) ! 49
#endif
#if defined(CONFIG_CPU_SUBTYPE_SH7751)
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long error
.long SYMBOL_NAME(do_IRQ) ! PCI serr
.long SYMBOL_NAME(do_IRQ) ! dma3
.long SYMBOL_NAME(do_IRQ) ! dma2
.long SYMBOL_NAME(do_IRQ) ! dma1
.long SYMBOL_NAME(do_IRQ) ! dma0
.long SYMBOL_NAME(do_IRQ) ! pwon
.long SYMBOL_NAME(do_IRQ) ! pwdwn
.long SYMBOL_NAME(do_IRQ) ! err
#elif defined(CONFIG_CPU_SUBTYPE_ST40STB1)
.long error ! 50 0x840
.long error ! 51 0x860
.long error ! 52 0x880
.long error ! 53 0x8a0
.long error ! 54 0x8c0
.long error ! 55 0x8e0
.long error ! 56 0x900
.long error ! 57 0x920
.long error ! 58 0x940
.long error ! 59 0x960
.long error ! 60 0x980
.long error ! 61 0x9a0
.long error ! 62 0x9c0
.long error ! 63 0x9e0
.long SYMBOL_NAME(do_IRQ) ! 64 0xa00 PCI serr
.long SYMBOL_NAME(do_IRQ) ! 65 0xa20 err
.long SYMBOL_NAME(do_IRQ) ! 66 0xa40 ad
.long SYMBOL_NAME(do_IRQ) ! 67 0xa60 pwr_dwn
.long error ! 68 0xa80
.long error ! 69 0xaa0
.long error ! 70 0xac0
.long error ! 71 0xae0
.long SYMBOL_NAME(do_IRQ) ! 72 0xb00 DMA INT0
.long SYMBOL_NAME(do_IRQ) ! 73 0xb20 INT1
.long SYMBOL_NAME(do_IRQ) ! 74 0xb40 INT2
.long SYMBOL_NAME(do_IRQ) ! 75 0xb60 INT3
.long SYMBOL_NAME(do_IRQ) ! 76 0xb80 INT4
.long error ! 77 0xba0
.long SYMBOL_NAME(do_IRQ) ! 78 0xbc0 DMA ERR
.long error ! 79 0xbe0
.long SYMBOL_NAME(do_IRQ) ! 80 0xc00 PIO0
.long SYMBOL_NAME(do_IRQ) ! 81 0xc20 PIO1
.long SYMBOL_NAME(do_IRQ) ! 82 0xc40 PIO2
.long error ! 83 0xc60
.long error ! 84 0xc80
.long error ! 85 0xca0
.long error ! 86 0xcc0
.long error ! 87 0xce0
.long error ! 88 0xd00
.long error ! 89 0xd20
.long error ! 90 0xd40
.long error ! 91 0xd60
.long error ! 92 0xd80
.long error ! 93 0xda0
.long error ! 94 0xdc0
.long error ! 95 0xde0
.long error ! 96 0xe00
.long error ! 97 0xe20
.long error ! 98 0xe40
.long error ! 99 0xe60
.long error ! 100 0xe80
.long error ! 101 0xea0
.long error ! 102 0xec0
.long error ! 103 0xee0
.long error ! 104 0xf00
.long error ! 105 0xf20
.long error ! 106 0xf40
.long error ! 107 0xf60
.long error ! 108 0xf80
.long error ! 109 0xfa0
.long error ! 110 0xfc0
.long error ! 111 0xfe0
.long SYMBOL_NAME(do_IRQ) ! 112 0x1000 Mailbox
.long error ! 113 0x1020
.long error ! 114 0x1040
.long error ! 115 0x1060
.long error ! 116 0x1080
.long error ! 117 0x10a0
.long error ! 118 0x10c0
.long error ! 119 0x10e0
.long error ! 120 0x1100
.long error ! 121 0x1120
.long error ! 122 0x1140
.long error ! 123 0x1160
.long error ! 124 0x1180
.long error ! 125 0x11a0
.long error ! 126 0x11c0
.long error ! 127 0x11e0
.long error ! 128 0x1200
.long error ! 129 0x1220
.long error ! 130 0x1240
.long error ! 131 0x1260
.long error ! 132 0x1280
.long error ! 133 0x12a0
.long error ! 134 0x12c0
.long error ! 135 0x12e0
.long error ! 136 0x1300
.long error ! 137 0x1320
.long error ! 138 0x1340
.long error ! 139 0x1360
.long SYMBOL_NAME(do_IRQ) ! 140 0x1380 EMPI INV_ADDR
.long error ! 141 0x13a0
.long error ! 142 0x13c0
.long error ! 143 0x13e0
#endif
ENTRY(sys_call_table)
.long SYMBOL_NAME(sys_ni_syscall) /* 0 - old "setup()" system call*/
.long SYMBOL_NAME(sys_exit)
.long SYMBOL_NAME(sys_fork)
.long SYMBOL_NAME(sys_read)
.long SYMBOL_NAME(sys_write)
.long SYMBOL_NAME(sys_open) /* 5 */
.long SYMBOL_NAME(sys_close)
.long SYMBOL_NAME(sys_waitpid)
.long SYMBOL_NAME(sys_creat)
.long SYMBOL_NAME(sys_link)
.long SYMBOL_NAME(sys_unlink) /* 10 */
.long SYMBOL_NAME(sys_execve)
.long SYMBOL_NAME(sys_chdir)
.long SYMBOL_NAME(sys_time)
.long SYMBOL_NAME(sys_mknod)
.long SYMBOL_NAME(sys_chmod) /* 15 */
.long SYMBOL_NAME(sys_lchown16)
.long SYMBOL_NAME(sys_ni_syscall) /* old break syscall holder */
.long SYMBOL_NAME(sys_stat)
.long SYMBOL_NAME(sys_lseek)
.long SYMBOL_NAME(sys_getpid) /* 20 */
.long SYMBOL_NAME(sys_mount)
.long SYMBOL_NAME(sys_oldumount)
.long SYMBOL_NAME(sys_setuid16)
.long SYMBOL_NAME(sys_getuid16)
.long SYMBOL_NAME(sys_stime) /* 25 */
.long SYMBOL_NAME(sys_ptrace)
.long SYMBOL_NAME(sys_alarm)
.long SYMBOL_NAME(sys_fstat)
.long SYMBOL_NAME(sys_pause)
.long SYMBOL_NAME(sys_utime) /* 30 */
.long SYMBOL_NAME(sys_ni_syscall) /* old stty syscall holder */
.long SYMBOL_NAME(sys_ni_syscall) /* old gtty syscall holder */
.long SYMBOL_NAME(sys_access)
.long SYMBOL_NAME(sys_nice)
.long SYMBOL_NAME(sys_ni_syscall) /* 35 */ /* old ftime syscall holder */
.long SYMBOL_NAME(sys_sync)
.long SYMBOL_NAME(sys_kill)
.long SYMBOL_NAME(sys_rename)
.long SYMBOL_NAME(sys_mkdir)
.long SYMBOL_NAME(sys_rmdir) /* 40 */
.long SYMBOL_NAME(sys_dup)
.long SYMBOL_NAME(sys_pipe)
.long SYMBOL_NAME(sys_times)
.long SYMBOL_NAME(sys_ni_syscall) /* old prof syscall holder */
.long SYMBOL_NAME(sys_brk) /* 45 */
.long SYMBOL_NAME(sys_setgid16)
.long SYMBOL_NAME(sys_getgid16)
.long SYMBOL_NAME(sys_signal)
.long SYMBOL_NAME(sys_geteuid16)
.long SYMBOL_NAME(sys_getegid16) /* 50 */
.long SYMBOL_NAME(sys_acct)
.long SYMBOL_NAME(sys_umount) /* recycled never used phys() */
.long SYMBOL_NAME(sys_ni_syscall) /* old lock syscall holder */
.long SYMBOL_NAME(sys_ioctl)
.long SYMBOL_NAME(sys_fcntl) /* 55 */
.long SYMBOL_NAME(sys_ni_syscall) /* old mpx syscall holder */
.long SYMBOL_NAME(sys_setpgid)
.long SYMBOL_NAME(sys_ni_syscall) /* old ulimit syscall holder */
.long SYMBOL_NAME(sys_ni_syscall) /* sys_olduname */
.long SYMBOL_NAME(sys_umask) /* 60 */
.long SYMBOL_NAME(sys_chroot)
.long SYMBOL_NAME(sys_ustat)
.long SYMBOL_NAME(sys_dup2)
.long SYMBOL_NAME(sys_getppid)
.long SYMBOL_NAME(sys_getpgrp) /* 65 */
.long SYMBOL_NAME(sys_setsid)
.long SYMBOL_NAME(sys_sigaction)
.long SYMBOL_NAME(sys_sgetmask)
.long SYMBOL_NAME(sys_ssetmask)
.long SYMBOL_NAME(sys_setreuid16) /* 70 */
.long SYMBOL_NAME(sys_setregid16)
.long SYMBOL_NAME(sys_sigsuspend)
.long SYMBOL_NAME(sys_sigpending)
.long SYMBOL_NAME(sys_sethostname)
.long SYMBOL_NAME(sys_setrlimit) /* 75 */
.long SYMBOL_NAME(sys_old_getrlimit)
.long SYMBOL_NAME(sys_getrusage)
.long SYMBOL_NAME(sys_gettimeofday)
.long SYMBOL_NAME(sys_settimeofday)
.long SYMBOL_NAME(sys_getgroups16) /* 80 */
.long SYMBOL_NAME(sys_setgroups16)
.long SYMBOL_NAME(sys_ni_syscall) /* sys_oldselect */
.long SYMBOL_NAME(sys_symlink)
.long SYMBOL_NAME(sys_lstat)
.long SYMBOL_NAME(sys_readlink) /* 85 */
.long SYMBOL_NAME(sys_uselib)
.long SYMBOL_NAME(sys_swapon)
.long SYMBOL_NAME(sys_reboot)
.long SYMBOL_NAME(old_readdir)
.long SYMBOL_NAME(old_mmap) /* 90 */
.long SYMBOL_NAME(sys_munmap)
.long SYMBOL_NAME(sys_truncate)
.long SYMBOL_NAME(sys_ftruncate)
.long SYMBOL_NAME(sys_fchmod)
.long SYMBOL_NAME(sys_fchown16) /* 95 */
.long SYMBOL_NAME(sys_getpriority)
.long SYMBOL_NAME(sys_setpriority)
.long SYMBOL_NAME(sys_ni_syscall) /* old profil syscall holder */
.long SYMBOL_NAME(sys_statfs)
.long SYMBOL_NAME(sys_fstatfs) /* 100 */
.long SYMBOL_NAME(sys_ni_syscall) /* ioperm */
.long SYMBOL_NAME(sys_socketcall)
.long SYMBOL_NAME(sys_syslog)
.long SYMBOL_NAME(sys_setitimer)
.long SYMBOL_NAME(sys_getitimer) /* 105 */
.long SYMBOL_NAME(sys_newstat)
.long SYMBOL_NAME(sys_newlstat)
.long SYMBOL_NAME(sys_newfstat)
.long SYMBOL_NAME(sys_uname)
.long SYMBOL_NAME(sys_ni_syscall) /* 110 */ /* iopl */
.long SYMBOL_NAME(sys_vhangup)
.long SYMBOL_NAME(sys_ni_syscall) /* idle */
.long SYMBOL_NAME(sys_ni_syscall) /* vm86old */
.long SYMBOL_NAME(sys_wait4)
.long SYMBOL_NAME(sys_swapoff) /* 115 */
.long SYMBOL_NAME(sys_sysinfo)
.long SYMBOL_NAME(sys_ipc)
.long SYMBOL_NAME(sys_fsync)
.long SYMBOL_NAME(sys_sigreturn)
.long SYMBOL_NAME(sys_clone) /* 120 */
.long SYMBOL_NAME(sys_setdomainname)
.long SYMBOL_NAME(sys_newuname)
.long SYMBOL_NAME(sys_ni_syscall) /* sys_modify_ldt */
.long SYMBOL_NAME(sys_adjtimex)
.long SYMBOL_NAME(sys_mprotect) /* 125 */
.long SYMBOL_NAME(sys_sigprocmask)
.long SYMBOL_NAME(sys_create_module)
.long SYMBOL_NAME(sys_init_module)
.long SYMBOL_NAME(sys_delete_module)
.long SYMBOL_NAME(sys_get_kernel_syms) /* 130 */
.long SYMBOL_NAME(sys_quotactl)
.long SYMBOL_NAME(sys_getpgid)
.long SYMBOL_NAME(sys_fchdir)
.long SYMBOL_NAME(sys_bdflush)
.long SYMBOL_NAME(sys_sysfs) /* 135 */
.long SYMBOL_NAME(sys_personality)
.long SYMBOL_NAME(sys_ni_syscall) /* for afs_syscall */
.long SYMBOL_NAME(sys_setfsuid16)
.long SYMBOL_NAME(sys_setfsgid16)
.long SYMBOL_NAME(sys_llseek) /* 140 */
.long SYMBOL_NAME(sys_getdents)
.long SYMBOL_NAME(sys_select)
.long SYMBOL_NAME(sys_flock)
.long SYMBOL_NAME(sys_msync)
.long SYMBOL_NAME(sys_readv) /* 145 */
.long SYMBOL_NAME(sys_writev)
.long SYMBOL_NAME(sys_getsid)
.long SYMBOL_NAME(sys_fdatasync)
.long SYMBOL_NAME(sys_sysctl)
.long SYMBOL_NAME(sys_mlock) /* 150 */
.long SYMBOL_NAME(sys_munlock)
.long SYMBOL_NAME(sys_mlockall)
.long SYMBOL_NAME(sys_munlockall)
.long SYMBOL_NAME(sys_sched_setparam)
.long SYMBOL_NAME(sys_sched_getparam) /* 155 */
.long SYMBOL_NAME(sys_sched_setscheduler)
.long SYMBOL_NAME(sys_sched_getscheduler)
.long SYMBOL_NAME(sys_sched_yield)
.long SYMBOL_NAME(sys_sched_get_priority_max)
.long SYMBOL_NAME(sys_sched_get_priority_min) /* 160 */
.long SYMBOL_NAME(sys_sched_rr_get_interval)
.long SYMBOL_NAME(sys_nanosleep)
.long SYMBOL_NAME(sys_mremap)
.long SYMBOL_NAME(sys_setresuid16)
.long SYMBOL_NAME(sys_getresuid16) /* 165 */
.long SYMBOL_NAME(sys_ni_syscall) /* vm86 */
.long SYMBOL_NAME(sys_query_module)
.long SYMBOL_NAME(sys_poll)
.long SYMBOL_NAME(sys_nfsservctl)
.long SYMBOL_NAME(sys_setresgid16) /* 170 */
.long SYMBOL_NAME(sys_getresgid16)
.long SYMBOL_NAME(sys_prctl)
.long SYMBOL_NAME(sys_rt_sigreturn)
.long SYMBOL_NAME(sys_rt_sigaction)
.long SYMBOL_NAME(sys_rt_sigprocmask) /* 175 */
.long SYMBOL_NAME(sys_rt_sigpending)
.long SYMBOL_NAME(sys_rt_sigtimedwait)
.long SYMBOL_NAME(sys_rt_sigqueueinfo)
.long SYMBOL_NAME(sys_rt_sigsuspend)
.long SYMBOL_NAME(sys_pread) /* 180 */
.long SYMBOL_NAME(sys_pwrite)
.long SYMBOL_NAME(sys_chown16)
.long SYMBOL_NAME(sys_getcwd)
.long SYMBOL_NAME(sys_capget)
.long SYMBOL_NAME(sys_capset) /* 185 */
.long SYMBOL_NAME(sys_sigaltstack)
.long SYMBOL_NAME(sys_sendfile)
.long SYMBOL_NAME(sys_ni_syscall) /* streams1 */
.long SYMBOL_NAME(sys_ni_syscall) /* streams2 */
.long SYMBOL_NAME(sys_vfork) /* 190 */
.long SYMBOL_NAME(sys_getrlimit)
.long SYMBOL_NAME(sys_mmap2)
.long SYMBOL_NAME(sys_truncate64)
.long SYMBOL_NAME(sys_ftruncate64)
.long SYMBOL_NAME(sys_stat64) /* 195 */
.long SYMBOL_NAME(sys_lstat64)
.long SYMBOL_NAME(sys_fstat64)
.long SYMBOL_NAME(sys_lchown)
.long SYMBOL_NAME(sys_getuid)
.long SYMBOL_NAME(sys_getgid) /* 200 */
.long SYMBOL_NAME(sys_geteuid)
.long SYMBOL_NAME(sys_getegid)
.long SYMBOL_NAME(sys_setreuid)
.long SYMBOL_NAME(sys_setregid)
.long SYMBOL_NAME(sys_getgroups) /* 205 */
.long SYMBOL_NAME(sys_setgroups)
.long SYMBOL_NAME(sys_fchown)
.long SYMBOL_NAME(sys_setresuid)
.long SYMBOL_NAME(sys_getresuid)
.long SYMBOL_NAME(sys_setresgid) /* 210 */
.long SYMBOL_NAME(sys_getresgid)
.long SYMBOL_NAME(sys_chown)
.long SYMBOL_NAME(sys_setuid)
.long SYMBOL_NAME(sys_setgid)
.long SYMBOL_NAME(sys_setfsuid) /* 215 */
.long SYMBOL_NAME(sys_setfsgid)
.long SYMBOL_NAME(sys_pivot_root)
.long SYMBOL_NAME(sys_mincore)
.long SYMBOL_NAME(sys_madvise)
.long SYMBOL_NAME(sys_getdents64) /* 220 */
.long SYMBOL_NAME(sys_fcntl64)
/*
* NOTE!! This doesn't have to be exact - we just have
* to make sure we have _enough_ of the "sys_ni_syscall"
* entries. Don't panic if you notice that this hasn't
* been shrunk every time we add a new system call.
*/
.rept NR_syscalls-221
.long SYMBOL_NAME(sys_ni_syscall)
.endr
/* End of entry.S */
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