diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/m68k/math-emu/fp_entry.S')
-rw-r--r-- | ANDROID_3.4.5/arch/m68k/math-emu/fp_entry.S | 324 |
1 files changed, 0 insertions, 324 deletions
diff --git a/ANDROID_3.4.5/arch/m68k/math-emu/fp_entry.S b/ANDROID_3.4.5/arch/m68k/math-emu/fp_entry.S deleted file mode 100644 index a3fe1f34..00000000 --- a/ANDROID_3.4.5/arch/m68k/math-emu/fp_entry.S +++ /dev/null @@ -1,324 +0,0 @@ -/* - * fp_emu.S - * - * Copyright Roman Zippel, 1997. 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, and the entire permission notice in its entirety, - * including the disclaimer of warranties. - * 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 author may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * ALTERNATIVELY, this product may be distributed under the terms of - * the GNU General Public License, in which case the provisions of the GPL are - * required INSTEAD OF the above restrictions. (This clause is - * necessary due to a potential bad interaction between the GPL and - * the restrictions contained in a BSD-style copyright.) - * - * THIS SOFTWARE IS PROVIDED ``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 AUTHOR 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 <linux/linkage.h> -#include <asm/entry.h> - -#include "fp_emu.h" - - .globl fpu_emu - .globl fp_debugprint - .globl fp_err_ua1,fp_err_ua2 - - .text -fpu_emu: - SAVE_ALL_INT - GET_CURRENT(%d0) - -#if defined(CPU_M68020_OR_M68030) && defined(CPU_M68040_OR_M68060) - tst.l m68k_is040or060 - jeq 1f -#endif -#if defined(CPU_M68040_OR_M68060) - move.l (FPS_PC2,%sp),(FPS_PC,%sp) -#endif -1: - | emulate the instruction - jsr fp_scan - -#if defined(CONFIG_M68060) -#if !defined(CPU_M68060_ONLY) - btst #3,m68k_cputype+3 - jeq 1f -#endif - btst #7,(FPS_SR,%sp) - jne fp_sendtrace060 -#endif -1: - | emulation successful? - tst.l %d0 - jeq ret_from_exception - - | send some signal to program here - - jra ret_from_exception - - | we jump here after an access error while trying to access - | user space, we correct stackpointer and send a SIGSEGV to - | the user process -fp_err_ua2: - addq.l #4,%sp -fp_err_ua1: - addq.l #4,%sp - move.l %a0,-(%sp) - pea LSEGV_MAPERR - pea LSIGSEGV - jsr fpemu_signal - add.w #12,%sp - jra ret_from_exception - -#if defined(CONFIG_M68060) - | send a trace signal if we are debugged - | it does not really belong here, but... -fp_sendtrace060: - move.l (FPS_PC,%sp),-(%sp) - pea LTRAP_TRACE - pea LSIGTRAP - jsr fpemu_signal - add.w #12,%sp - jra ret_from_exception -#endif - - .globl fp_get_data_reg, fp_put_data_reg - .globl fp_get_addr_reg, fp_put_addr_reg - - | Entry points to get/put a register. Some of them can be get/put - | directly, others are on the stack, as we read/write the stack - | directly here, these function may only be called from within - | instruction decoding, otherwise the stack pointer is incorrect - | and the stack gets corrupted. -fp_get_data_reg: - jmp ([0f:w,%pc,%d0.w*4]) - - .align 4 -0: - .long fp_get_d0, fp_get_d1 - .long fp_get_d2, fp_get_d3 - .long fp_get_d4, fp_get_d5 - .long fp_get_d6, fp_get_d7 - -fp_get_d0: - move.l (PT_OFF_D0+8,%sp),%d0 - printf PREGISTER,"{d0->%08x}",1,%d0 - rts - -fp_get_d1: - move.l (PT_OFF_D1+8,%sp),%d0 - printf PREGISTER,"{d1->%08x}",1,%d0 - rts - -fp_get_d2: - move.l (PT_OFF_D2+8,%sp),%d0 - printf PREGISTER,"{d2->%08x}",1,%d0 - rts - -fp_get_d3: - move.l %d3,%d0 - printf PREGISTER,"{d3->%08x}",1,%d0 - rts - -fp_get_d4: - move.l %d4,%d0 - printf PREGISTER,"{d4->%08x}",1,%d0 - rts - -fp_get_d5: - move.l %d5,%d0 - printf PREGISTER,"{d5->%08x}",1,%d0 - rts - -fp_get_d6: - move.l %d6,%d0 - printf PREGISTER,"{d6->%08x}",1,%d0 - rts - -fp_get_d7: - move.l %d7,%d0 - printf PREGISTER,"{d7->%08x}",1,%d0 - rts - -fp_put_data_reg: - jmp ([0f:w,%pc,%d1.w*4]) - - .align 4 -0: - .long fp_put_d0, fp_put_d1 - .long fp_put_d2, fp_put_d3 - .long fp_put_d4, fp_put_d5 - .long fp_put_d6, fp_put_d7 - -fp_put_d0: - printf PREGISTER,"{d0<-%08x}",1,%d0 - move.l %d0,(PT_OFF_D0+8,%sp) - rts - -fp_put_d1: - printf PREGISTER,"{d1<-%08x}",1,%d0 - move.l %d0,(PT_OFF_D1+8,%sp) - rts - -fp_put_d2: - printf PREGISTER,"{d2<-%08x}",1,%d0 - move.l %d0,(PT_OFF_D2+8,%sp) - rts - -fp_put_d3: - printf PREGISTER,"{d3<-%08x}",1,%d0 -| move.l %d0,%d3 - move.l %d0,(PT_OFF_D3+8,%sp) - rts - -fp_put_d4: - printf PREGISTER,"{d4<-%08x}",1,%d0 -| move.l %d0,%d4 - move.l %d0,(PT_OFF_D4+8,%sp) - rts - -fp_put_d5: - printf PREGISTER,"{d5<-%08x}",1,%d0 -| move.l %d0,%d5 - move.l %d0,(PT_OFF_D5+8,%sp) - rts - -fp_put_d6: - printf PREGISTER,"{d6<-%08x}",1,%d0 - move.l %d0,%d6 - rts - -fp_put_d7: - printf PREGISTER,"{d7<-%08x}",1,%d0 - move.l %d0,%d7 - rts - -fp_get_addr_reg: - jmp ([0f:w,%pc,%d0.w*4]) - - .align 4 -0: - .long fp_get_a0, fp_get_a1 - .long fp_get_a2, fp_get_a3 - .long fp_get_a4, fp_get_a5 - .long fp_get_a6, fp_get_a7 - -fp_get_a0: - move.l (PT_OFF_A0+8,%sp),%a0 - printf PREGISTER,"{a0->%08x}",1,%a0 - rts - -fp_get_a1: - move.l (PT_OFF_A1+8,%sp),%a0 - printf PREGISTER,"{a1->%08x}",1,%a0 - rts - -fp_get_a2: - move.l (PT_OFF_A2+8,%sp),%a0 - printf PREGISTER,"{a2->%08x}",1,%a0 - rts - -fp_get_a3: - move.l %a3,%a0 - printf PREGISTER,"{a3->%08x}",1,%a0 - rts - -fp_get_a4: - move.l %a4,%a0 - printf PREGISTER,"{a4->%08x}",1,%a0 - rts - -fp_get_a5: - move.l %a5,%a0 - printf PREGISTER,"{a5->%08x}",1,%a0 - rts - -fp_get_a6: - move.l %a6,%a0 - printf PREGISTER,"{a6->%08x}",1,%a0 - rts - -fp_get_a7: - move.l %usp,%a0 - printf PREGISTER,"{a7->%08x}",1,%a0 - rts - -fp_put_addr_reg: - jmp ([0f:w,%pc,%d0.w*4]) - - .align 4 -0: - .long fp_put_a0, fp_put_a1 - .long fp_put_a2, fp_put_a3 - .long fp_put_a4, fp_put_a5 - .long fp_put_a6, fp_put_a7 - -fp_put_a0: - printf PREGISTER,"{a0<-%08x}",1,%a0 - move.l %a0,(PT_OFF_A0+8,%sp) - rts - -fp_put_a1: - printf PREGISTER,"{a1<-%08x}",1,%a0 - move.l %a0,(PT_OFF_A1+8,%sp) - rts - -fp_put_a2: - printf PREGISTER,"{a2<-%08x}",1,%a0 - move.l %a0,(PT_OFF_A2+8,%sp) - rts - -fp_put_a3: - printf PREGISTER,"{a3<-%08x}",1,%a0 - move.l %a0,%a3 - rts - -fp_put_a4: - printf PREGISTER,"{a4<-%08x}",1,%a0 - move.l %a0,%a4 - rts - -fp_put_a5: - printf PREGISTER,"{a5<-%08x}",1,%a0 - move.l %a0,%a5 - rts - -fp_put_a6: - printf PREGISTER,"{a6<-%08x}",1,%a0 - move.l %a0,%a6 - rts - -fp_put_a7: - printf PREGISTER,"{a7<-%08x}",1,%a0 - move.l %a0,%usp - rts - - .data - .align 4 - -fp_debugprint: -| .long PMDECODE - .long PMINSTR+PMDECODE+PMCONV+PMNORM -| .long PMCONV+PMNORM+PMINSTR -| .long 0 |