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diff --git a/ANDROID_3.4.5/arch/m68k/ifpsp060/fpsp.doc b/ANDROID_3.4.5/arch/m68k/ifpsp060/fpsp.doc deleted file mode 100644 index 23d513f7..00000000 --- a/ANDROID_3.4.5/arch/m68k/ifpsp060/fpsp.doc +++ /dev/null @@ -1,295 +0,0 @@ -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -MOTOROLA MICROPROCESSOR & MEMORY TECHNOLOGY GROUP -M68000 Hi-Performance Microprocessor Division -M68060 Software Package -Production Release P1.00 -- October 10, 1994 - -M68060 Software Package Copyright © 1993, 1994 Motorola Inc. All rights reserved. - -THE SOFTWARE is provided on an "AS IS" basis and without warranty. -To the maximum extent permitted by applicable law, -MOTOROLA DISCLAIMS ALL WARRANTIES WHETHER EXPRESS OR IMPLIED, -INCLUDING IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE -and any warranty against infringement with regard to the SOFTWARE -(INCLUDING ANY MODIFIED VERSIONS THEREOF) and any accompanying written materials. - -To the maximum extent permitted by applicable law, -IN NO EVENT SHALL MOTOROLA BE LIABLE FOR ANY DAMAGES WHATSOEVER -(INCLUDING WITHOUT LIMITATION, DAMAGES FOR LOSS OF BUSINESS PROFITS, -BUSINESS INTERRUPTION, LOSS OF BUSINESS INFORMATION, OR OTHER PECUNIARY LOSS) -ARISING OF THE USE OR INABILITY TO USE 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 -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. -No licenses are granted by implication, estoppel or otherwise under any patents -or trademarks of Motorola, Inc. -~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -68060 FLOATING-POINT SOFTWARE PACKAGE (Kernel version) -------------------------------------------------------- - -The file fpsp.sa contains the 68060 Floating-Point Software -Package. This package is essentially a set of exception handlers -that can be integrated into an operating system. -These exception handlers emulate Unimplemented FP instructions, -instructions using unimplemented data types, and instructions -using unimplemented addressing modes. In addition, this package -includes exception handlers to provide full IEEE-754 compliant -exception handling. - -Release file format: --------------------- -The file fpsp.sa is essentially a hexadecimal image of the -release package. This is the ONLY format which will be supported. -The hex image was created by assembling the source code and -then converting the resulting binary output image into an -ASCII text file. The hexadecimal numbers are listed -using the Motorola Assembly Syntax assembler directive "dc.l" -(define constant longword). The file can be converted to other -assembly syntaxes by using any word processor with a global -search and replace function. - -To assist in assembling and linking this module with other modules, -the installer should add a symbolic label to the top of the file. -This will allow calling routines to access the entry points -of this package. - -The source code fpsp.s has also been included but only for -documentation purposes. - -Release file structure: ------------------------ - -(top of module) - ----------------- - | | - 128 byte-sized section - (1) | Call-Out | - 4 bytes per entry (user fills these in) - | | - example routines in fskeleton.s - ----------------- - | | - 8 bytes per entry - (2) | Entry Point | - user does "bra" or "jmp" to this address - | | - ----------------- - | | - code section - (3) ~ ~ - | | - ----------------- -(bottom of module) - -The first section of this module is the "Call-out" section. This section -is NOT INCLUDED in fpsp.sa (an example "Call-out" section is provided at -the end of the file fskeleton.s). The purpose of this section is to allow -the FPSP routines to reference external functions that must be provided -by the host operating system. This section MUST be exactly 128 bytes in -size. There are 32 fields, each 4 bytes in size. Each field corresponds -to a function required by the FPSP (these functions and their location are -listed in "68060FPSP call-outs" below). Each field entry should contain -the address of the corresponding function RELATIVE to the starting address -of the "call-out" section. The "Call-out" section must sit adjacent to the -fpsp.sa image in memory. - -The second section, the "Entry-point" section, is used by external routines -to access the functions within the FPSP. Since the fpsp.sa hex file contains -no symbol names, this section contains function entry points that are fixed -with respect to the top of the package. The currently defined entry-points -are listed in section "68060 FPSP entry points" below. A calling routine -would simply execute a "bra" or "jmp" that jumped to the selected function -entry-point. - -For example, if the 68060 hardware took a "Line-F Emulator" exception -(vector #11), the operating system should execute something similar to: - - bra _060FPSP_TOP+128+48 - -(_060FPSP_TOP is the starting address of the "Call-out" section; the "Call-out" -section is 128 bytes long; and the F-Line FPSP handler entry point is located -48 bytes from the top of the "Entry-point" section.) - -The third section is the code section. After entering through an "Entry-point", -the entry code jumps to the appropriate emulation code within the code section. - -68060FPSP call-outs: (details in fskeleton.s) --------------------- -0x000: _060_real_bsun -0x004: _060_real_snan -0x008: _060_real_operr -0x00c: _060_real_ovfl -0x010: _060_real_unfl -0x014: _060_real_dz -0x018: _060_real_inex -0x01c: _060_real_fline -0x020: _060_real_fpu_disabled -0x024: _060_real_trap -0x028: _060_real_trace -0x02c: _060_real_access -0x030: _060_fpsp_done - -0x034: (Motorola reserved) -0x038: (Motorola reserved) -0x03c: (Motorola reserved) - -0x040: _060_imem_read -0x044: _060_dmem_read -0x048: _060_dmem_write -0x04c: _060_imem_read_word -0x050: _060_imem_read_long -0x054: _060_dmem_read_byte -0x058: _060_dmem_read_word -0x05c: _060_dmem_read_long -0x060: _060_dmem_write_byte -0x064: _060_dmem_write_word -0x068: _060_dmem_write_long - -0x06c: (Motorola reserved) -0x070: (Motorola reserved) -0x074: (Motorola reserved) -0x078: (Motorola reserved) -0x07c: (Motorola reserved) - -68060FPSP entry points: ------------------------ -0x000: _060_fpsp_snan -0x008: _060_fpsp_operr -0x010: _060_fpsp_ovfl -0x018: _060_fpsp_unfl -0x020: _060_fpsp_dz -0x028: _060_fpsp_inex -0x030: _060_fpsp_fline -0x038: _060_fpsp_unsupp -0x040: _060_fpsp_effadd - - - -Miscellaneous: --------------- - -_060_fpsp_snan: ----------------- -- documented in 3.5 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_snan --| - | - always exits through _060_real_snan <---- - -_060_fpsp_operr: ----------------- -- documented in 3.5 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_operr --| - | - always exits through _060_real_operr <----- - -_060_fpsp_dz: ----------------- -- documented in 3.7 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_dz --| - | - always exits through _060_real_dz <---- - -_060_fpsp_inex: ----------------- -- documented in 3.6 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_inex --| - | - always exits through _060_real_inex <---- - - -_060_fpsp_ovfl: ----------------- -- documented in 3.4 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_ovfl --| - | - may exit through _060_real_inex <---| - or | - may exit through _060_real_ovfl <---| - or | - may exit through _060_fpsp_done <---| - -_060_fpsp_unfl: ----------------- -- documented in 3.4 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_unfl --| - | - may exit through _060_real_inex <---| - or | - may exit through _060_real_unfl <---| - or | - may exit through _060_fpsp_done <---| - - -_060_fpsp_fline: ------------------ -- not fully documented in 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_fline --| - | - ------------------------------------------- - | | | - v v v - (unimplemented (fpu disabled) (possible F-line illegal) - stack frame) | v - | v special case "fmovecr"? - | exit through | - | _060_real_fpu_disabled ------------- - | | | - | ^ v v - | | (yes) (no) - | | v v - | | fpu disabled? exit through - | | | _060_real_fline - v | ------------- - | | | | - | | v v - | |-----------(yes) (no) - | | - |----<------------------------------------| - | - | - |----> may exit through _060_real_trace - | - |----> may exit through _060_real_trap - | - |----> may exit through _060_real_bsun - | - |----> may exit through _060_fpsp_done - - -_060_fpsp_unsupp: ------------------- -- documented in 3.1 of 060SP spec. -- Basic flow: - exception taken ---> enter _060_fpsp_unsupp --| - | - | - may exit through _060_real_snan <----| - or | - may exit through _060_real_operr <----| - or | - may exit through _060_real_ovfl <----| - or | - may exit through _060_real_unfl <----| - or | - may exit through _060_real_inex <----| - or | - may exit through _060_real_trace <----| - or | - may exit through _060_fpsp_done <----| - - -_060_fpsp_effadd: ------------------- -- documented in 3.3 of 060 spec. -- Basic flow: - exception taken ---> enter _060_fpsp_effadd --| - | - | - may exit through _060_real_trace <----| - or | - may exit through _060_real_fpu_disabled <----| - or | - may exit through _060_fpsp_done <----| |