/* * Copyright 2015, Cyril Bur, IBM Corp. * * 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 "basic_asm.h" #include "vsx_asm.h" #long check_vsx(vector int *r3); #This function wraps storeing VSX regs to the end of an array and a #call to a comparison function in C which boils down to a memcmp() FUNC_START(check_vsx) PUSH_BASIC_STACK(32) std r3,STACK_FRAME_PARAM(0)(sp) addi r3, r3, 16 * 12 #Second half of array bl store_vsx ld r3,STACK_FRAME_PARAM(0)(sp) bl vsx_memcmp POP_BASIC_STACK(32) blr FUNC_END(check_vsx) # int preempt_vmx(vector int *varray, int *threads_starting, # int *running); # On starting will (atomically) decrement threads_starting as a signal # that the VMX have been loaded with varray. Will proceed to check the # validity of the VMX registers while running is not zero. FUNC_START(preempt_vsx) PUSH_BASIC_STACK(512) std r3,STACK_FRAME_PARAM(0)(sp) # vector int *varray std r4,STACK_FRAME_PARAM(1)(sp) # int *threads_starting std r5,STACK_FRAME_PARAM(2)(sp) # int *running bl load_vsx nop sync # Atomic DEC ld r3,STACK_FRAME_PARAM(1)(sp) 1: lwarx r4,0,r3 addi r4,r4,-1 stwcx. r4,0,r3 bne- 1b 2: ld r3,STACK_FRAME_PARAM(0)(sp) bl check_vsx nop cmpdi r3,0 bne 3f ld r4,STACK_FRAME_PARAM(2)(sp) ld r5,0(r4) cmpwi r5,0 bne 2b 3: POP_BASIC_STACK(512) blr FUNC_END(preempt_vsx) '>summary</a><a href='/cgit.cgi/linux/net-next.git/refs/?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>refs</a><a class='active' href='/cgit.cgi/linux/net-next.git/log/sound/usb/6fire/firmware.h?h=nds-private-remove'>log</a><a href='/cgit.cgi/linux/net-next.git/tree/sound/usb/6fire/firmware.h?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>tree</a><a href='/cgit.cgi/linux/net-next.git/commit/sound/usb/6fire/firmware.h?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>commit</a><a href='/cgit.cgi/linux/net-next.git/diff/sound/usb/6fire/firmware.h?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>diff</a></td><td class='form'><form class='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/usb/6fire/firmware.h'> <input type='hidden' name='h' value='nds-private-remove'/><input type='hidden' name='id' value='a79a5276aa2f844bd368c1d3d5a625e1fbefd989'/><select name='qt'> <option value='grep'>log msg</option> <option value='author'>author</option> <option value='committer'>committer</option> <option value='range'>range</option> </select> <input class='txt' type='search' size='10' name='q' value=''/> <input type='submit' value='search'/> </form> </td></tr></table> <div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>sound</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/usb?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/usb/6fire?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>6fire</a>/<a href='/cgit.cgi/linux/net-next.git/log/sound/usb/6fire/firmware.h?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989'>firmware.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/sound/usb/6fire/firmware.h?h=nds-private-remove&id=a79a5276aa2f844bd368c1d3d5a625e1fbefd989&showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>