|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
|
|MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP
|
|M68000 Hi-Performance Microprocessor Division
|
|M68000 Hi-Performance Microprocessor Division
|
|M68060 Software Package
|
|M68060 Software Package
|
|Production Release P1.00 -- October 10, 1994
|
|Production Release P1.00 -- October 10, 1994
|
|
|
|
|
|M68060 Software Package Copyright © 1993, 1994 Motorola Inc. All rights reserved.
|
|M68060 Software Package Copyright © 1993, 1994 Motorola Inc. All rights reserved.
|
|
|
|
|
|THE SOFTWARE is provided on an "AS IS" basis and without warranty.
|
|THE SOFTWARE is provided on an "AS IS" basis and without warranty.
|
|To the maximum extent permitted by applicable law,
|
|To the maximum extent permitted by applicable law,
|
|MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
|
|MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED,
|
|INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
|
|INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
|
|and any warranty against infringement with regard to the SOFTWARE
|
|and any warranty against infringement with regard to the SOFTWARE
|
|(INCLUDING ANY MODIFIED VERSIONS THEREOF) and any accompanying written materials.
|
|(INCLUDING ANY MODIFIED VERSIONS THEREOF) and any accompanying written materials.
|
|
|
|
|
|To the maximum extent permitted by applicable law,
|
|To the maximum extent permitted by applicable law,
|
|IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER
|
|IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER
|
|(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,
|
|(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS,
|
|BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS)
|
|BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS)
|
|ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE.
|
|ARISING OF THE USE OR INABILITY TO USE THE SOFTWARE.
|
|Motorola assumes no responsibility for the maintenance and support of the SOFTWARE.
|
|Motorola assumes no responsibility for the maintenance and support of the SOFTWARE.
|
|
|
|
|
|You are hereby granted a copyright license to use, modify, and distribute the SOFTWARE
|
|You are hereby granted a copyright license to use, modify, and distribute the SOFTWARE
|
|so long as this entire notice is retained without alteration in any modified and/or
|
|so long as this entire notice is retained without alteration in any modified and/or
|
|redistributed versions, and that such modified versions are clearly identified as such.
|
|redistributed versions, and that such modified versions are clearly identified as such.
|
|No licenses are granted by implication, estoppel or otherwise under any patents
|
|No licenses are granted by implication, estoppel or otherwise under any patents
|
|or trademarks of Motorola, Inc.
|
|or trademarks of Motorola, Inc.
|
|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
|~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
| iskeleton.s
|
| iskeleton.s
|
|
|
|
|
| This file contains:
|
| This file contains:
|
| (1) example "Call-out"s
|
| (1) example "Call-out"s
|
| (2) example package entry code
|
| (2) example package entry code
|
| (3) example "Call-out" table
|
| (3) example "Call-out" table
|
|
|
|
|
|
|
|
|
|################################
|
|################################
|
| (1) EXAMPLE CALL-OUTS #
|
| (1) EXAMPLE CALL-OUTS #
|
| #
|
| #
|
| _060_isp_done() #
|
| _060_isp_done() #
|
| _060_real_chk() #
|
| _060_real_chk() #
|
| _060_real_divbyzero() #
|
| _060_real_divbyzero() #
|
| #
|
| #
|
| _060_real_cas() #
|
| _060_real_cas() #
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| _060_real_cas2() #
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| _060_real_cas2() #
|
| _060_real_lock_page() #
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| _060_real_lock_page() #
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| _060_real_unlock_page() #
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| _060_real_unlock_page() #
|
|################################
|
|################################
|
|
|
|
|
|
|
| _060_isp_done():
|
| _060_isp_done():
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|
|
|
|
| This is and example main exit point for the Unimplemented Integer
|
| This is and example main exit point for the Unimplemented Integer
|
| Instruction exception handler. For a normal exit, the
|
| Instruction exception handler. For a normal exit, the
|
| _isp_unimp() branches to here so that the operating system
|
| _isp_unimp() branches to here so that the operating system
|
| can do any clean-up desired. The stack frame is the
|
| can do any clean-up desired. The stack frame is the
|
| Unimplemented Integer Instruction stack frame with
|
| Unimplemented Integer Instruction stack frame with
|
| the PC pointing to the instruction following the instruction
|
| the PC pointing to the instruction following the instruction
|
| just emulated.
|
| just emulated.
|
| To simply continue execution at the next instruction, just
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| To simply continue execution at the next instruction, just
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| do an "rte".
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| do an "rte".
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|
|
|
|
.global _060_isp_done
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.global _060_isp_done
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_060_isp_done:
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_060_isp_done:
|
rte
|
rte
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|
|
|
|
|
|
| _060_real_chk():
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| _060_real_chk():
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|
|
|
|
| This is an alternate exit point for the Unimplemented Integer
|
| This is an alternate exit point for the Unimplemented Integer
|
| Instruction exception handler. If the instruction was a "chk2"
|
| Instruction exception handler. If the instruction was a "chk2"
|
| and the operand was out of bounds, then _isp_unimp() creates
|
| and the operand was out of bounds, then _isp_unimp() creates
|
| a CHK exception stack frame from the Unimplemented Integer Instruction
|
| a CHK exception stack frame from the Unimplemented Integer Instruction
|
| stack frame and branches to this routine.
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| stack frame and branches to this routine.
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|
|
|
|
.global _060_real_chk
|
.global _060_real_chk
|
_060_real_chk:
|
_060_real_chk:
|
tst.b (%sp) | is tracing enabled?
|
tst.b (%sp) | is tracing enabled?
|
bpls real_chk_end | no
|
bpls real_chk_end | no
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|
|
|
|
|
|
| CHK FRAME TRACE FRAME
|
| CHK FRAME TRACE FRAME
|
| ***************** *****************
|
| ***************** *****************
|
| * Current PC * * Current PC *
|
| * Current PC * * Current PC *
|
| ***************** *****************
|
| ***************** *****************
|
| * 0x2 * 0x018 * * 0x2 * 0x024 *
|
| * 0x2 * 0x018 * * 0x2 * 0x024 *
|
| ***************** *****************
|
| ***************** *****************
|
| * Next * * Next *
|
| * Next * * Next *
|
| * PC * * PC *
|
| * PC * * PC *
|
| ***************** *****************
|
| ***************** *****************
|
| * SR * * SR *
|
| * SR * * SR *
|
| ***************** *****************
|
| ***************** *****************
|
|
|
|
|
move.b #0x24,0x7(%sp) | set trace vecno
|
move.b #0x24,0x7(%sp) | set trace vecno
|
bral _060_real_trace
|
bral _060_real_trace
|
|
|
real_chk_end:
|
real_chk_end:
|
rte
|
rte
|
|
|
|
|
|
|
| _060_real_divbyzero:
|
| _060_real_divbyzero:
|
|
|
|
|
| This is an alternate exit point for the Unimplemented Integer
|
| This is an alternate exit point for the Unimplemented Integer
|
| Instruction exception handler isp_unimp(). If the instruction is a 64-bit
|
| Instruction exception handler isp_unimp(). If the instruction is a 64-bit
|
| integer divide where the source operand is a zero, then the _isp_unimp()
|
| integer divide where the source operand is a zero, then the _isp_unimp()
|
| creates a Divide-by-zero exception stack frame from the Unimplemented
|
| creates a Divide-by-zero exception stack frame from the Unimplemented
|
| Integer Instruction stack frame and branches to this routine.
|
| Integer Instruction stack frame and branches to this routine.
|
|
|
|
|
| Remember that a trace exception may be pending. The code below performs
|
| Remember that a trace exception may be pending. The code below performs
|
| no action associated with the "chk" exception. If tracing is enabled,
|
| no action associated with the "chk" exception. If tracing is enabled,
|
| then it create a Trace exception stack frame from the "chk" exception
|
| then it create a Trace exception stack frame from the "chk" exception
|
| stack frame and branches to the _real_trace() entry point.
|
| stack frame and branches to the _real_trace() entry point.
|
|
|
|
|
.global _060_real_divbyzero
|
.global _060_real_divbyzero
|
_060_real_divbyzero:
|
_060_real_divbyzero:
|
tst.b (%sp) | is tracing enabled?
|
tst.b (%sp) | is tracing enabled?
|
bpls real_divbyzero_end | no
|
bpls real_divbyzero_end | no
|
|
|
|
|
|
|
| DIVBYZERO FRAME TRACE FRAME
|
| DIVBYZERO FRAME TRACE FRAME
|
| ***************** *****************
|
| ***************** *****************
|
| * Current PC * * Current PC *
|
| * Current PC * * Current PC *
|
| ***************** *****************
|
| ***************** *****************
|
| * 0x2 * 0x014 * * 0x2 * 0x024 *
|
| * 0x2 * 0x014 * * 0x2 * 0x024 *
|
| ***************** *****************
|
| ***************** *****************
|
| * Next * * Next *
|
| * Next * * Next *
|
| * PC * * PC *
|
| * PC * * PC *
|
| ***************** *****************
|
| ***************** *****************
|
| * SR * * SR *
|
| * SR * * SR *
|
| ***************** *****************
|
| ***************** *****************
|
|
|
|
|
move.b #0x24,0x7(%sp) | set trace vecno
|
move.b #0x24,0x7(%sp) | set trace vecno
|
bral _060_real_trace
|
bral _060_real_trace
|
|
|
real_divbyzero_end:
|
real_divbyzero_end:
|
rte
|
rte
|
|
|
|##########################
|
|##########################
|
|
|
|
|
|
|
| _060_real_cas():
|
| _060_real_cas():
|
|
|
|
|
| Entry point for the selected cas emulation code implementation.
|
| Entry point for the selected cas emulation code implementation.
|
| If the implementation provided by the 68060ISP is sufficient,
|
| If the implementation provided by the 68060ISP is sufficient,
|
| then this routine simply re-enters the package through _isp_cas.
|
| then this routine simply re-enters the package through _isp_cas.
|
|
|
|
|
.global _060_real_cas
|
.global _060_real_cas
|
_060_real_cas:
|
_060_real_cas:
|
bral _I_CALL_TOP+0x80+0x08
|
bral _I_CALL_TOP+0x80+0x08
|
|
|
|
|
|
|
| _060_real_cas2():
|
| _060_real_cas2():
|
|
|
|
|
| Entry point for the selected cas2 emulation code implementation.
|
| Entry point for the selected cas2 emulation code implementation.
|
| If the implementation provided by the 68060ISP is sufficient,
|
| If the implementation provided by the 68060ISP is sufficient,
|
| then this routine simply re-enters the package through _isp_cas2.
|
| then this routine simply re-enters the package through _isp_cas2.
|
|
|
|
|
.global _060_real_cas2
|
.global _060_real_cas2
|
_060_real_cas2:
|
_060_real_cas2:
|
bral _I_CALL_TOP+0x80+0x10
|
bral _I_CALL_TOP+0x80+0x10
|
|
|
|
|
|
|
| _060_lock_page():
|
| _060_lock_page():
|
|
|
|
|
| Entry point for the operating system's routine to "lock" a page
|
| Entry point for the operating system's routine to "lock" a page
|
| from being paged out. This routine is needed by the cas/cas2
|
| from being paged out. This routine is needed by the cas/cas2
|
| algorithms so that no page faults occur within the "core" code
|
| algorithms so that no page faults occur within the "core" code
|
| region. Note: the routine must lock two pages if the operand
|
| region. Note: the routine must lock two pages if the operand
|
| spans two pages.
|
| spans two pages.
|
| NOTE: THE ROUTINE SHOULD RETURN AN FSLW VALUE IN D0 ON FAILURE
|
| NOTE: THE ROUTINE SHOULD RETURN AN FSLW VALUE IN D0 ON FAILURE
|
| SO THAT THE 060SP CAN CREATE A PROPER ACCESS ERROR FRAME.
|
| SO THAT THE 060SP CAN CREATE A PROPER ACCESS ERROR FRAME.
|
| Arguments:
|
| Arguments:
|
| a0 = operand address
|
| a0 = operand address
|
| d0 = `xxxxxxff -> supervisor; `xxxxxx00 -> user
|
| d0 = `xxxxxxff -> supervisor; `xxxxxx00 -> user
|
| d1 = `xxxxxxff -> longword; `xxxxxx00 -> word
|
| d1 = `xxxxxxff -> longword; `xxxxxx00 -> word
|
| Expected outputs:
|
| Expected outputs:
|
| d0 = 0 -> success; non-zero -> failure
|
| d0 = 0 -> success; non-zero -> failure
|
|
|
|
|
.global _060_real_lock_page
|
.global _060_real_lock_page
|
_060_real_lock_page:
|
_060_real_lock_page:
|
clr.l %d0
|
clr.l %d0
|
rts
|
rts
|
|
|
|
|
|
|
| _060_unlock_page():
|
| _060_unlock_page():
|
|
|
|
|
| Entry point for the operating system's routine to "unlock" a
|
| Entry point for the operating system's routine to "unlock" a
|
| page that has been "locked" previously with _real_lock_page.
|
| page that has been "locked" previously with _real_lock_page.
|
| Note: the routine must unlock two pages if the operand spans
|
| Note: the routine must unlock two pages if the operand spans
|
| two pages.
|
| two pages.
|
| Arguments:
|
| Arguments:
|
| a0 = operand address
|
| a0 = operand address
|
| d0 = `xxxxxxff -> supervisor; `xxxxxx00 -> user
|
| d0 = `xxxxxxff -> supervisor; `xxxxxx00 -> user
|
| d1 = `xxxxxxff -> longword; `xxxxxx00 -> word
|
| d1 = `xxxxxxff -> longword; `xxxxxx00 -> word
|
|
|
|
|
.global _060_real_unlock_page
|
.global _060_real_unlock_page
|
_060_real_unlock_page:
|
_060_real_unlock_page:
|
clr.l %d0
|
clr.l %d0
|
rts
|
rts
|
|
|
|###########################################################################
|
|###########################################################################
|
|
|
|#################################
|
|#################################
|
| (2) EXAMPLE PACKAGE ENTRY CODE #
|
| (2) EXAMPLE PACKAGE ENTRY CODE #
|
|#################################
|
|#################################
|
|
|
.global _060_isp_unimp
|
.global _060_isp_unimp
|
_060_isp_unimp:
|
_060_isp_unimp:
|
bral _I_CALL_TOP+0x80+0x00
|
bral _I_CALL_TOP+0x80+0x00
|
|
|
.global _060_isp_cas
|
.global _060_isp_cas
|
_060_isp_cas:
|
_060_isp_cas:
|
bral _I_CALL_TOP+0x80+0x08
|
bral _I_CALL_TOP+0x80+0x08
|
|
|
.global _060_isp_cas2
|
.global _060_isp_cas2
|
_060_isp_cas2:
|
_060_isp_cas2:
|
bral _I_CALL_TOP+0x80+0x10
|
bral _I_CALL_TOP+0x80+0x10
|
|
|
.global _060_isp_cas_finish
|
.global _060_isp_cas_finish
|
_060_isp_cas_finish:
|
_060_isp_cas_finish:
|
bra.l _I_CALL_TOP+0x80+0x18
|
bra.l _I_CALL_TOP+0x80+0x18
|
|
|
.global _060_isp_cas2_finish
|
.global _060_isp_cas2_finish
|
_060_isp_cas2_finish:
|
_060_isp_cas2_finish:
|
bral _I_CALL_TOP+0x80+0x20
|
bral _I_CALL_TOP+0x80+0x20
|
|
|
.global _060_isp_cas_inrange
|
.global _060_isp_cas_inrange
|
_060_isp_cas_inrange:
|
_060_isp_cas_inrange:
|
bral _I_CALL_TOP+0x80+0x28
|
bral _I_CALL_TOP+0x80+0x28
|
|
|
.global _060_isp_cas_terminate
|
.global _060_isp_cas_terminate
|
_060_isp_cas_terminate:
|
_060_isp_cas_terminate:
|
bral _I_CALL_TOP+0x80+0x30
|
bral _I_CALL_TOP+0x80+0x30
|
|
|
.global _060_isp_cas_restart
|
.global _060_isp_cas_restart
|
_060_isp_cas_restart:
|
_060_isp_cas_restart:
|
bral _I_CALL_TOP+0x80+0x38
|
bral _I_CALL_TOP+0x80+0x38
|
|
|
|###########################################################################
|
|###########################################################################
|
|
|
|###############################
|
|###############################
|
| (3) EXAMPLE CALL-OUT SECTION #
|
| (3) EXAMPLE CALL-OUT SECTION #
|
|###############################
|
|###############################
|
|
|
| The size of this section MUST be 128 bytes!!!
|
| The size of this section MUST be 128 bytes!!!
|
|
|
.global _I_CALL_TOP
|
.global _I_CALL_TOP
|
_I_CALL_TOP:
|
_I_CALL_TOP:
|
.long _060_real_chk - _I_CALL_TOP
|
.long _060_real_chk - _I_CALL_TOP
|
.long _060_real_divbyzero - _I_CALL_TOP
|
.long _060_real_divbyzero - _I_CALL_TOP
|
.long _060_real_trace - _I_CALL_TOP
|
.long _060_real_trace - _I_CALL_TOP
|
.long _060_real_access - _I_CALL_TOP
|
.long _060_real_access - _I_CALL_TOP
|
.long _060_isp_done - _I_CALL_TOP
|
.long _060_isp_done - _I_CALL_TOP
|
|
|
.long _060_real_cas - _I_CALL_TOP
|
.long _060_real_cas - _I_CALL_TOP
|
.long _060_real_cas2 - _I_CALL_TOP
|
.long _060_real_cas2 - _I_CALL_TOP
|
.long _060_real_lock_page - _I_CALL_TOP
|
.long _060_real_lock_page - _I_CALL_TOP
|
.long _060_real_unlock_page - _I_CALL_TOP
|
.long _060_real_unlock_page - _I_CALL_TOP
|
|
|
.long 0x00000000, 0x00000000, 0x00000000, 0x00000000
|
.long 0x00000000, 0x00000000, 0x00000000, 0x00000000
|
.long 0x00000000, 0x00000000, 0x00000000
|
.long 0x00000000, 0x00000000, 0x00000000
|
|
|
.long _060_imem_read - _I_CALL_TOP
|
.long _060_imem_read - _I_CALL_TOP
|
.long _060_dmem_read - _I_CALL_TOP
|
.long _060_dmem_read - _I_CALL_TOP
|
.long _060_dmem_write - _I_CALL_TOP
|
.long _060_dmem_write - _I_CALL_TOP
|
.long _060_imem_read_word - _I_CALL_TOP
|
.long _060_imem_read_word - _I_CALL_TOP
|
.long _060_imem_read_long - _I_CALL_TOP
|
.long _060_imem_read_long - _I_CALL_TOP
|
.long _060_dmem_read_byte - _I_CALL_TOP
|
.long _060_dmem_read_byte - _I_CALL_TOP
|
.long _060_dmem_read_word - _I_CALL_TOP
|
.long _060_dmem_read_word - _I_CALL_TOP
|
.long _060_dmem_read_long - _I_CALL_TOP
|
.long _060_dmem_read_long - _I_CALL_TOP
|
.long _060_dmem_write_byte - _I_CALL_TOP
|
.long _060_dmem_write_byte - _I_CALL_TOP
|
.long _060_dmem_write_word - _I_CALL_TOP
|
.long _060_dmem_write_word - _I_CALL_TOP
|
.long _060_dmem_write_long - _I_CALL_TOP
|
.long _060_dmem_write_long - _I_CALL_TOP
|
|
|
.long 0x00000000
|
.long 0x00000000
|
.long 0x00000000, 0x00000000, 0x00000000, 0x00000000
|
.long 0x00000000, 0x00000000, 0x00000000, 0x00000000
|
|
|
|###########################################################################
|
|###########################################################################
|
|
|
| 060 INTEGER KERNEL PACKAGE MUST GO HERE!!!
|
| 060 INTEGER KERNEL PACKAGE MUST GO HERE!!!
|
.include "isp.sa"
|
.include "isp.sa"
|
|
|
