diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/powerpc/kvm/fpu.S')
| -rw-r--r-- | ANDROID_3.4.5/arch/powerpc/kvm/fpu.S | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/ANDROID_3.4.5/arch/powerpc/kvm/fpu.S b/ANDROID_3.4.5/arch/powerpc/kvm/fpu.S deleted file mode 100644 index bf68d597..00000000 --- a/ANDROID_3.4.5/arch/powerpc/kvm/fpu.S +++ /dev/null @@ -1,283 +0,0 @@ -/* - * FPU helper code to use FPU operations from inside the kernel - * - * Copyright (C) 2010 Alexander Graf (agraf@suse.de) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#include <asm/reg.h> -#include <asm/page.h> -#include <asm/mmu.h> -#include <asm/pgtable.h> -#include <asm/cputable.h> -#include <asm/cache.h> -#include <asm/thread_info.h> -#include <asm/ppc_asm.h> -#include <asm/asm-offsets.h> - -/* Instructions operating on single parameters */ - -/* - * Single operation with one input operand - * - * R3 = (double*)&fpscr - * R4 = (short*)&result - * R5 = (short*)¶m1 - */ -#define FPS_ONE_IN(name) \ -_GLOBAL(fps_ ## name); \ - lfd 0,0(r3); /* load up fpscr value */ \ - MTFSF_L(0); \ - lfs 0,0(r5); \ - \ - name 0,0; \ - \ - stfs 0,0(r4); \ - mffs 0; \ - stfd 0,0(r3); /* save new fpscr value */ \ - blr - -/* - * Single operation with two input operands - * - * R3 = (double*)&fpscr - * R4 = (short*)&result - * R5 = (short*)¶m1 - * R6 = (short*)¶m2 - */ -#define FPS_TWO_IN(name) \ -_GLOBAL(fps_ ## name); \ - lfd 0,0(r3); /* load up fpscr value */ \ - MTFSF_L(0); \ - lfs 0,0(r5); \ - lfs 1,0(r6); \ - \ - name 0,0,1; \ - \ - stfs 0,0(r4); \ - mffs 0; \ - stfd 0,0(r3); /* save new fpscr value */ \ - blr - -/* - * Single operation with three input operands - * - * R3 = (double*)&fpscr - * R4 = (short*)&result - * R5 = (short*)¶m1 - * R6 = (short*)¶m2 - * R7 = (short*)¶m3 - */ -#define FPS_THREE_IN(name) \ -_GLOBAL(fps_ ## name); \ - lfd 0,0(r3); /* load up fpscr value */ \ - MTFSF_L(0); \ - lfs 0,0(r5); \ - lfs 1,0(r6); \ - lfs 2,0(r7); \ - \ - name 0,0,1,2; \ - \ - stfs 0,0(r4); \ - mffs 0; \ - stfd 0,0(r3); /* save new fpscr value */ \ - blr - -FPS_ONE_IN(fres) -FPS_ONE_IN(frsqrte) -FPS_ONE_IN(fsqrts) -FPS_TWO_IN(fadds) -FPS_TWO_IN(fdivs) -FPS_TWO_IN(fmuls) -FPS_TWO_IN(fsubs) -FPS_THREE_IN(fmadds) -FPS_THREE_IN(fmsubs) -FPS_THREE_IN(fnmadds) -FPS_THREE_IN(fnmsubs) -FPS_THREE_IN(fsel) - - -/* Instructions operating on double parameters */ - -/* - * Beginning of double instruction processing - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - * R6 = (double*)¶m1 - * R7 = (double*)¶m2 [load_two] - * R8 = (double*)¶m3 [load_three] - * LR = instruction call function - */ -fpd_load_three: - lfd 2,0(r8) /* load param3 */ -fpd_load_two: - lfd 1,0(r7) /* load param2 */ -fpd_load_one: - lfd 0,0(r6) /* load param1 */ -fpd_load_none: - lfd 3,0(r3) /* load up fpscr value */ - MTFSF_L(3) - lwz r6, 0(r4) /* load cr */ - mtcr r6 - blr - -/* - * End of double instruction processing - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - * LR = caller of instruction call function - */ -fpd_return: - mfcr r6 - stfd 0,0(r5) /* save result */ - mffs 0 - stfd 0,0(r3) /* save new fpscr value */ - stw r6,0(r4) /* save new cr value */ - blr - -/* - * Double operation with no input operand - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - */ -#define FPD_NONE_IN(name) \ -_GLOBAL(fpd_ ## name); \ - mflr r12; \ - bl fpd_load_none; \ - mtlr r12; \ - \ - name. 0; /* call instruction */ \ - b fpd_return - -/* - * Double operation with one input operand - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - * R6 = (double*)¶m1 - */ -#define FPD_ONE_IN(name) \ -_GLOBAL(fpd_ ## name); \ - mflr r12; \ - bl fpd_load_one; \ - mtlr r12; \ - \ - name. 0,0; /* call instruction */ \ - b fpd_return - -/* - * Double operation with two input operands - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - * R6 = (double*)¶m1 - * R7 = (double*)¶m2 - * R8 = (double*)¶m3 - */ -#define FPD_TWO_IN(name) \ -_GLOBAL(fpd_ ## name); \ - mflr r12; \ - bl fpd_load_two; \ - mtlr r12; \ - \ - name. 0,0,1; /* call instruction */ \ - b fpd_return - -/* - * CR Double operation with two input operands - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)¶m1 - * R6 = (double*)¶m2 - * R7 = (double*)¶m3 - */ -#define FPD_TWO_IN_CR(name) \ -_GLOBAL(fpd_ ## name); \ - lfd 1,0(r6); /* load param2 */ \ - lfd 0,0(r5); /* load param1 */ \ - lfd 3,0(r3); /* load up fpscr value */ \ - MTFSF_L(3); \ - lwz r6, 0(r4); /* load cr */ \ - mtcr r6; \ - \ - name 0,0,1; /* call instruction */ \ - mfcr r6; \ - mffs 0; \ - stfd 0,0(r3); /* save new fpscr value */ \ - stw r6,0(r4); /* save new cr value */ \ - blr - -/* - * Double operation with three input operands - * - * R3 = (double*)&fpscr - * R4 = (u32*)&cr - * R5 = (double*)&result - * R6 = (double*)¶m1 - * R7 = (double*)¶m2 - * R8 = (double*)¶m3 - */ -#define FPD_THREE_IN(name) \ -_GLOBAL(fpd_ ## name); \ - mflr r12; \ - bl fpd_load_three; \ - mtlr r12; \ - \ - name. 0,0,1,2; /* call instruction */ \ - b fpd_return - -FPD_ONE_IN(fsqrts) -FPD_ONE_IN(frsqrtes) -FPD_ONE_IN(fres) -FPD_ONE_IN(frsp) -FPD_ONE_IN(fctiw) -FPD_ONE_IN(fctiwz) -FPD_ONE_IN(fsqrt) -FPD_ONE_IN(fre) -FPD_ONE_IN(frsqrte) -FPD_ONE_IN(fneg) -FPD_ONE_IN(fabs) -FPD_TWO_IN(fadds) -FPD_TWO_IN(fsubs) -FPD_TWO_IN(fdivs) -FPD_TWO_IN(fmuls) -FPD_TWO_IN_CR(fcmpu) -FPD_TWO_IN(fcpsgn) -FPD_TWO_IN(fdiv) -FPD_TWO_IN(fadd) -FPD_TWO_IN(fmul) -FPD_TWO_IN_CR(fcmpo) -FPD_TWO_IN(fsub) -FPD_THREE_IN(fmsubs) -FPD_THREE_IN(fmadds) -FPD_THREE_IN(fnmsubs) -FPD_THREE_IN(fnmadds) -FPD_THREE_IN(fsel) -FPD_THREE_IN(fmsub) -FPD_THREE_IN(fmadd) -FPD_THREE_IN(fnmsub) -FPD_THREE_IN(fnmadd) - -_GLOBAL(kvm_cvt_fd) - lfs 0,0(r3) - stfd 0,0(r4) - blr - -_GLOBAL(kvm_cvt_df) - lfd 0,0(r3) - stfs 0,0(r4) - blr |