Changeset 11478 for trunk/source/lisp-kernel/ppc-spentry.s
- Timestamp:
- Dec 8, 2008, 1:18:20 PM (13 years ago)
- File:
-
- 1 edited
-
trunk/source/lisp-kernel/ppc-spentry.s (modified) (8 diffs)
Legend:
- Unmodified
- Added
- Removed
-
trunk/source/lisp-kernel/ppc-spentry.s
r11319 r11478 1479 1479 1480 1480 _spentry(poweropen_ffcall) 1481 LocalLabelPrefix[]ffcall: 1481 1482 __(mflr loc_pc) 1482 1483 __(vpush_saveregs()) /* Now we can use save0-save7 to point to stacks */ … … 1514 1515 __(li rcontext,0) 1515 1516 __endif 1517 LocalLabelPrefix[]ffcall_setup: 1516 1518 __(mtctr nargs) 1517 1519 __(ldr(r3,c_frame.param0(sp))) … … 1526 1528 /* to the function on entry. */ 1527 1529 __(mr r12,nargs) 1530 LocalLabelPrefix[]ffcall_setup_end: 1531 LocalLabelPrefix[]ffcall_call: 1528 1532 __(bctrl) 1529 __(b FF_call_return_common) 1533 LocalLabelPrefix[]ffcall_call_end: 1534 /* C should have preserved save0 (= rcontext) for us. */ 1535 __(ldr(sp,0(sp))) 1536 __(mr imm2,save0) 1537 __(ldr(vsp,lisp_frame.savevsp(sp))) 1538 __(li rzero,0) 1539 __(mr loc_pc,rzero) 1540 __(li arg_x,nil_value) 1541 __(li arg_y,nil_value) 1542 __(li arg_z,nil_value) 1543 __(li temp0,nil_value) 1544 __(li temp1,nil_value) 1545 __(li temp2,nil_value) 1546 __(li temp3,nil_value) 1547 __(li fn,nil_value) 1548 __(mr rcontext,imm2) 1549 __(li imm2,TCR_STATE_LISP) 1550 __(ldr(tsp,tcr.save_tsp(rcontext))) 1551 __(li save0,0) 1552 __(li save1,0) 1553 __(li save2,0) 1554 __(li save3,0) 1555 __(li save4,0) 1556 __(li save5,0) 1557 __(li save6,0) 1558 __(li save7,0) 1559 __(li allocptr,-dnode_size) 1560 __(li allocbase,-dnode_size) 1561 __(str(imm2,tcr.valence(rcontext))) 1562 __(vpop_saveregs()) 1563 __(ldr(allocptr,tcr.save_allocptr(rcontext))) 1564 __(ldr(allocbase,tcr.save_allocbase(rcontext))) 1565 __(ldr(loc_pc,lisp_frame.savelr(sp))) 1566 __(mtlr loc_pc) 1567 __(ldr(fn,lisp_frame.savefn(sp))) 1568 __(mffs f0) 1569 __(stfd f0,8(sp)) 1570 __(lwz imm3,12(sp)) /* imm3 = FPSCR after call */ 1571 __(clrrwi imm2,imm3,8) 1572 __(discard_lisp_frame()) 1573 __(str(imm2,tcr.ffi_exception(rcontext))) 1574 __(lfd f0,tcr.lisp_fpscr(rcontext)) 1575 __(mtfsf 0xff,f0) 1576 __(check_pending_interrupt([cr1])) 1577 __(mtxer rzero) 1578 __(mtctr rzero) 1579 __(blr) 1580 1530 1581 1531 1582 /* Just like poweropen_ffcall, only we save all argument(result) … … 1604 1655 __(stfd f12,((8*node_size)+(11*8))(save7)) 1605 1656 __(stfd f13,((8*node_size)+(12*8))(save7)) 1606 __(b FF_call_return_common) 1657 /* C should have preserved save0 (= rcontext) for us. */ 1658 __(ldr(sp,0(sp))) 1659 __(mr imm2,save0) 1660 __(ldr(vsp,lisp_frame.savevsp(sp))) 1661 __(li rzero,0) 1662 __(mr loc_pc,rzero) 1663 __(li arg_x,nil_value) 1664 __(li arg_y,nil_value) 1665 __(li arg_z,nil_value) 1666 __(li temp0,nil_value) 1667 __(li temp1,nil_value) 1668 __(li temp2,nil_value) 1669 __(li temp3,nil_value) 1670 __(li fn,nil_value) 1671 __(mr rcontext,imm2) 1672 __(li imm2,TCR_STATE_LISP) 1673 __(ldr(tsp,tcr.save_tsp(rcontext))) 1674 __(li save0,0) 1675 __(li save1,0) 1676 __(li save2,0) 1677 __(li save3,0) 1678 __(li save4,0) 1679 __(li save5,0) 1680 __(li save6,0) 1681 __(li save7,0) 1682 __(li allocptr,-dnode_size) 1683 __(li allocbase,-dnode_size) 1684 __(str(imm2,tcr.valence(rcontext))) 1685 __(vpop_saveregs()) 1686 __(ldr(allocptr,tcr.save_allocptr(rcontext))) 1687 __(ldr(allocbase,tcr.save_allocbase(rcontext))) 1688 __(ldr(loc_pc,lisp_frame.savelr(sp))) 1689 __(mtlr loc_pc) 1690 __(ldr(fn,lisp_frame.savefn(sp))) 1691 __(mffs f0) 1692 __(stfd f0,8(sp)) 1693 __(lwz imm3,12(sp)) /* imm3 = FPSCR after call */ 1694 __(clrrwi imm2,imm3,8) 1695 __(discard_lisp_frame()) 1696 __(str(imm2,tcr.ffi_exception(rcontext))) 1697 __(lfd f0,tcr.lisp_fpscr(rcontext)) 1698 __(mtfsf 0xff,f0) 1699 __(check_pending_interrupt([cr1])) 1700 __(mtxer rzero) 1701 __(mtctr rzero) 1702 __(blr) 1703 1607 1704 1608 1705 … … 1656 1753 __(b _SPheap_cons_rest_arg) 1657 1754 1658 1659 _spentry(poweropen_callbackX) 1660 /* Save C argument registers */ 1661 __(str(r3,c_frame.param0(sp))) 1662 __(str(r4,c_frame.param1(sp))) 1663 __(str(r5,c_frame.param2(sp))) 1664 __(str(r6,c_frame.param3(sp))) 1665 __(str(r7,c_frame.param4(sp))) 1666 __(str(r8,c_frame.param5(sp))) 1667 __(str(r9,c_frame.param6(sp))) 1668 __(str(r10,c_frame.param7(sp))) 1669 __(mflr imm3) 1670 __(str(imm3,c_frame.savelr(sp))) 1671 __(mfcr imm0) 1672 __(str(imm0,c_frame.crsave(sp))) 1673 1674 /* Save the non-volatile registers on the sp stack */ 1675 /* This is a non-standard stack frame, but noone will ever see it, */ 1676 /* so it doesn't matter. It will look like more of the stack */ 1677 /* frame pushed below. */ 1678 __(stru(sp,-(stack_align(c_reg_save.size))(sp))) 1679 __(str(r13,c_reg_save.save_gprs+(0*node_size)(sp))) 1680 __(str(r14,c_reg_save.save_gprs+(1*node_size)(sp))) 1681 __(str(r15,c_reg_save.save_gprs+(2*node_size)(sp))) 1682 __(str(r16,c_reg_save.save_gprs+(3*node_size)(sp))) 1683 __(str(r17,c_reg_save.save_gprs+(4*node_size)(sp))) 1684 __(str(r18,c_reg_save.save_gprs+(5*node_size)(sp))) 1685 __(str(r19,c_reg_save.save_gprs+(6*node_size)(sp))) 1686 __(str(r20,c_reg_save.save_gprs+(7*node_size)(sp))) 1687 __(str(r21,c_reg_save.save_gprs+(8*node_size)(sp))) 1688 __(str(r22,c_reg_save.save_gprs+(9*node_size)(sp))) 1689 __(str(r23,c_reg_save.save_gprs+(10*node_size)(sp))) 1690 __(str(r24,c_reg_save.save_gprs+(11*node_size)(sp))) 1691 __(str(r25,c_reg_save.save_gprs+(12*node_size)(sp))) 1692 __(str(r26,c_reg_save.save_gprs+(13*node_size)(sp))) 1693 __(str(r27,c_reg_save.save_gprs+(14*node_size)(sp))) 1694 __(str(r28,c_reg_save.save_gprs+(15*node_size)(sp))) 1695 __(str(r29,c_reg_save.save_gprs+(16*node_size)(sp))) 1696 __(str(r30,c_reg_save.save_gprs+(17*node_size)(sp))) 1697 __(str(r31,c_reg_save.save_gprs+(18*node_size)(sp))) 1698 __(stfd f1,c_reg_save.save_fprs+(0*8)(sp)) 1699 __(stfd f2,c_reg_save.save_fprs+(1*8)(sp)) 1700 __(stfd f3,c_reg_save.save_fprs+(2*8)(sp)) 1701 __(stfd f4,c_reg_save.save_fprs+(3*8)(sp)) 1702 __(stfd f5,c_reg_save.save_fprs+(4*8)(sp)) 1703 __(stfd f6,c_reg_save.save_fprs+(5*8)(sp)) 1704 __(stfd f7,c_reg_save.save_fprs+(6*8)(sp)) 1705 __(stfd f8,c_reg_save.save_fprs+(7*8)(sp)) 1706 __(stfd f9,c_reg_save.save_fprs+(8*8)(sp)) 1707 __(stfd f10,c_reg_save.save_fprs+(9*8)(sp)) 1708 __(stfd f11,c_reg_save.save_fprs+(10*8)(sp)) 1709 __(stfd f12,c_reg_save.save_fprs+(11*8)(sp)) 1710 __(stfd f13,c_reg_save.save_fprs+(12*8)(sp)) 1711 __(check_stack_alignment(r0)) 1712 __(mffs f0) 1713 __(stfd f0,c_reg_save.save_fp_zero(sp)) 1714 __(ldr(r31,c_reg_save.save_fp_zero+4(sp))) /* recover FPSCR image */ 1715 __(str(r31,c_reg_save.save_fpscr(sp))) 1716 __(lwi(r30,0x43300000)) 1717 __(lwi(r31,0x80000000)) 1718 __(stw r30,c_reg_save.save_fp_zero(sp)) 1719 __(stw r31,c_reg_save.save_fp_zero+4(sp)) 1720 __(stfd fp_s32conv,c_reg_save.save_fps32conv(sp)) 1721 __(lfd fp_s32conv,c_reg_save.save_fp_zero(sp)) 1722 __(stfd fp_zero,c_reg_save.save_fp_zero(sp)) 1723 __(lfs fp_zero,lisp_globals.short_float_zero(0)) /* ensure that fp_zero contains 0.0 */ 1724 1725 /* Restore rest of Lisp context. */ 1726 /* Could spread out the memory references here to gain a little speed */ 1727 1728 __(li loc_pc,0) 1729 __(li fn,0) /* subprim, not a lisp function */ 1730 __(li temp3,0) 1731 __(li temp2,0) 1732 __(li temp1,0) 1733 __(li temp0,0) 1734 __(li arg_x,0) 1735 __(box_fixnum(arg_y,r11)) /* callback-index */ 1736 __(la arg_z,c_reg_save.save_fprs(sp)) 1737 __(str(arg_z,stack_align(c_reg_save.size)+c_frame.unused(sp))) 1738 __(la arg_z,stack_align(c_reg_save.size)+c_frame.param0(sp)) /* parameters (tagged as a fixnum) */ 1739 1740 /* Recover lisp thread context. Have to call C code to do so. */ 1741 __(ref_global(r12,get_tcr)) 1742 __(mtctr r12) 1743 __(li r3,1) 1744 __(stru(sp,-(stack_align(c_frame.minsiz))(sp))) 1745 __(bctrl) 1746 __(la rcontext,TCR_BIAS(r3)) 1747 /* re-establish lisp exception handling */ 1748 __(ref_global(r12,lisp_return_hook)) 1749 __(mtctr r12) 1750 __(bctrl) 1751 __(la sp,(stack_align(c_frame.minsiz))(sp)) 1752 1753 __(ldr(vsp,tcr.save_vsp(rcontext))) 1754 __(ldr(tsp,tcr.save_tsp(rcontext))) 1755 __(li rzero,0) 1756 __(mtxer rzero) /* lisp wants the overflow bit clear */ 1757 __(mtctr rzero) 1758 __(li imm0,TCR_STATE_LISP) 1759 __(li save0,0) 1760 __(li save1,0) 1761 __(li save2,0) 1762 __(li save3,0) 1763 __(li save4,0) 1764 __(li save5,0) 1765 __(li save6,0) 1766 __(li save7,0) 1767 __(lfd f0,tcr.lisp_fpscr(rcontext)) 1768 __(mtfsf 0xff,f0) 1769 __(li allocptr,0) 1770 __(li allocbase,0) 1771 __(str(imm0,tcr.valence(rcontext))) 1772 __(ldr(allocptr,tcr.save_allocptr(rcontext))) 1773 __(ldr(allocbase,tcr.save_allocbase(rcontext))) 1774 1775 __(restore_saveregs(vsp)) 1776 /* load nargs and callback to the lisp */ 1777 __(set_nargs(2)) 1778 __(ldr(imm2,tcr.cs_area(rcontext))) 1779 __(ldr(imm4,area.active(imm2))) 1780 __(stru(imm4,-lisp_frame.size(sp))) 1781 __(str(imm3,lisp_frame.savelr(sp))) 1782 __(li fname,nrs.callbacks) /* %pascal-functions% */ 1783 __(call_fname) 1784 __(ldr(imm2,lisp_frame.backlink(sp))) 1785 __(ldr(imm3,tcr.cs_area(rcontext))) 1786 __(str(imm2,area.active(imm3))) 1787 __(discard_lisp_frame()) 1788 /* save_vsp will be restored from ff_call's stack frame, but */ 1789 /* I included it here for consistency. */ 1790 /* save_tsp is set below after we exit Lisp context. */ 1791 __(str(allocptr,tcr.save_allocptr(rcontext))) 1792 __(str(allocbase,tcr.save_allocbase(rcontext))) 1793 __(str(vsp,tcr.save_vsp(rcontext))) 1794 __(str(tsp,tcr.save_tsp(rcontext))) 1795 1796 __(li imm1,TCR_STATE_FOREIGN) 1797 __(str(imm1,tcr.valence(rcontext))) 1798 __(mr r3,rcontext) 1799 __(ldr(r4,tcr.foreign_exception_status(rcontext))) 1800 __(cmpri(r4,0)) 1801 /* Restore the non-volatile registers & fpscr */ 1802 __(lfd fp_zero,c_reg_save.save_fp_zero(sp)) 1803 __(ldr(r31,c_reg_save.save_fpscr(sp))) 1804 __(str(r31,c_reg_save.save_fp_zero+4(sp))) 1805 __(lfd f0,c_reg_save.save_fp_zero(sp)) 1806 __(mtfsf 0xff,f0) 1807 __(ldr(r13,c_reg_save.save_gprs+(0*node_size)(sp))) 1808 __(ldr(r14,c_reg_save.save_gprs+(1*node_size)(sp))) 1809 __(ldr(r15,c_reg_save.save_gprs+(2*node_size)(sp))) 1810 __(ldr(r16,c_reg_save.save_gprs+(3*node_size)(sp))) 1811 __(ldr(r17,c_reg_save.save_gprs+(4*node_size)(sp))) 1812 __(ldr(r18,c_reg_save.save_gprs+(5*node_size)(sp))) 1813 __(ldr(r19,c_reg_save.save_gprs+(6*node_size)(sp))) 1814 __(ldr(r20,c_reg_save.save_gprs+(7*node_size)(sp))) 1815 __(ldr(r21,c_reg_save.save_gprs+(8*node_size)(sp))) 1816 __(ldr(r22,c_reg_save.save_gprs+(9*node_size)(sp))) 1817 __(ldr(r23,c_reg_save.save_gprs+(10*node_size)(sp))) 1818 __(ldr(r24,c_reg_save.save_gprs+(11*node_size)(sp))) 1819 __(ldr(r25,c_reg_save.save_gprs+(12*node_size)(sp))) 1820 __(ldr(r26,c_reg_save.save_gprs+(13*node_size)(sp))) 1821 __(ldr(r27,c_reg_save.save_gprs+(14*node_size)(sp))) 1822 __(ldr(r28,c_reg_save.save_gprs+(15*node_size)(sp))) 1823 __(ldr(r29,c_reg_save.save_gprs+(16*node_size)(sp))) 1824 __(ldr(r30,c_reg_save.save_gprs+(17*node_size)(sp))) 1825 __(ldr(r31,c_reg_save.save_gprs+(18*node_size)(sp))) 1826 __(lfd fp_s32conv,c_reg_save.save_fps32conv(sp)) 1827 __(beq 9f) 1828 __(ref_global(r12,lisp_exit_hook)) 1829 __(mtctr r12) 1830 __(bctrl) 1831 9: 1832 __(lfd f1,c_reg_save.save_fprs+(0*8)(sp)) 1833 __(lfd f2,c_reg_save.save_fprs+(1*8)(sp)) 1834 __(lfd f3,c_reg_save.save_fprs+(2*8)(sp)) 1835 __(lfd f4,c_reg_save.save_fprs+(3*8)(sp)) 1836 __(lfd f5,c_reg_save.save_fprs+(4*8)(sp)) 1837 __(lfd f6,c_reg_save.save_fprs+(5*8)(sp)) 1838 __(lfd f7,c_reg_save.save_fprs+(6*8)(sp)) 1839 __(lfd f8,c_reg_save.save_fprs+(7*8)(sp)) 1840 __(lfd f9,c_reg_save.save_fprs+(8*8)(sp)) 1841 __(lfd f10,c_reg_save.save_fprs+(9*8)(sp)) 1842 __(lfd f11,c_reg_save.save_fprs+(10*8)(sp)) 1843 __(lfd f12,c_reg_save.save_fprs+(11*8)(sp)) 1844 __(lfd f13,c_reg_save.save_fprs+(12*8)(sp)) 1845 __(ldr(sp,0(sp))) 1846 __(ldr(r3,c_frame.param0(sp))) 1847 __(ldr(r4,c_frame.param1(sp))) 1848 __(ldr(r5,c_frame.param2(sp))) 1849 __(ldr(r6,c_frame.param3(sp))) 1850 __(ldr(r7,c_frame.param4(sp))) 1851 __(ldr(r8,c_frame.param5(sp))) 1852 __(ldr(r9,c_frame.param6(sp))) 1853 __(ldr(r10,c_frame.param7(sp))) 1854 __(ldr(r11,c_frame.savelr(sp))) 1855 __(mtlr r11) 1856 __(ldr(r12,c_frame.crsave(sp))) 1857 __(mtcr r12) 1858 __(blr) 1755 /* This was trying to swap exception ports to work around Darwin JNI lossage. 1756 It's tended to bitrot, and we have another way to do that now. 1757 */ 1758 _spentry(poweropen_callbackX) 1759 .long 0x7c800008 /* debug trap */ 1859 1760 1860 1761 /* Prepend all but the first two (closure code, fn) and last two */ … … 3252 3153 /* almost exactly as above, but "swap exception handling info" */ 3253 3154 /* on exit and return */ 3155 /* Deprecated */ 3254 3156 _spentry(poweropen_ffcallX) 3255 __(mflr loc_pc) 3256 __(vpush_saveregs()) /* Now we can use save0-save7 to point to stacks */ 3257 __(mr save0,rcontext) /* or address globals. */ 3258 __(extract_typecode(imm0,arg_z)) 3259 __(cmpri(cr7,imm0,subtag_macptr)) 3260 __(ldr(save1,c_frame.backlink(sp))) /* bottom of reserved lisp frame */ 3261 __(la save2,-lisp_frame.size(save1)) /* top of lisp frame */ 3262 __(zero_doublewords save2,0,lisp_frame.size) 3263 __(str(save1,lisp_frame.backlink(save2))) 3264 __(str(save2,c_frame.backlink(sp))) 3265 __(str(fn,lisp_frame.savefn(save2))) 3266 __(str(loc_pc,lisp_frame.savelr(save2))) 3267 __(str(vsp,lisp_frame.savevsp(save2))) 3268 __(bne cr7,1f) 3269 __(ldr(arg_z,macptr.address(arg_z))) 3270 1: 3271 __(ldr(save3,tcr.cs_area(rcontext))) 3272 __(str(save2,area.active(save3))) 3273 __(str(allocptr,tcr.save_allocptr(rcontext))) 3274 __(str(allocbase,tcr.save_allocbase(rcontext))) 3275 __(str(tsp,tcr.save_tsp(rcontext))) 3276 __(str(vsp,tcr.save_vsp(rcontext))) 3277 __(str(rzero,tcr.ffi_exception(rcontext))) 3278 __(mffs f0) 3279 __(stfd f0,tcr.lisp_fpscr(rcontext)) /* remember lisp's fpscr */ 3280 __(mtfsf 0xff,fp_zero) /* zero foreign fpscr */ 3281 __(ldr(r3,tcr.foreign_exception_status(rcontext))) 3282 __(cmpri(r3,0)) 3283 __(ref_global(r12,lisp_exit_hook)) 3284 __(mtctr r12) 3285 __(beq+ 1f) 3286 __(stru(sp,-(stack_align(c_frame.minsiz))(sp))) 3287 __(bctrl) 3288 __(la sp,(stack_align(c_frame.minsiz))(sp)) 3289 1: 3290 __(li rcontext,0) 3291 __(mtctr arg_z) 3292 __(ldr(r3,c_frame.param0(sp))) 3293 __(ldr(r4,c_frame.param1(sp))) 3294 __(ldr(r5,c_frame.param2(sp))) 3295 __(ldr(r6,c_frame.param3(sp))) 3296 __(ldr(r7,c_frame.param4(sp))) 3297 __(ldr(r8,c_frame.param5(sp))) 3298 __(ldr(r9,c_frame.param6(sp))) 3299 __(ldr(r10,c_frame.param7(sp))) 3300 /* Darwin is allegedly very picky about what register points */ 3301 /* to the function on entry. */ 3302 __(mr r12,arg_z) 3303 __(bctrl) 3304 __(ref_global(r12,lisp_return_hook)) 3305 __(mtctr r12) 3306 __(str(r3,c_frame.param0(sp))) 3307 __(str(r4,c_frame.param1(sp))) 3308 __(stfd f1,c_frame.param2(sp)) 3309 __(stru(sp,-(stack_align(c_frame.minsiz))(sp))) 3310 __(mr r3,save0) 3311 __(bctrl) 3312 __(la sp,(stack_align(c_frame.minsiz))(sp)) 3313 __(ldr(r3,c_frame.param0(sp))) 3314 __(ldr(r4,c_frame.param1(sp))) 3315 __(lfd f1,c_frame.param2(sp)) 3316 __(b FF_call_return_common) 3317 3157 .long 0x7c800008 /* debug trap */ 3318 3158 3319 3159 … … 5833 5673 __(crset 6) 5834 5674 __(bctrl) 5835 _endsubp(eabi_ff_call)5836 5837 _startfn(FF_call_return_common)5838 5675 /* C should have preserved save0 (= rcontext) for us. */ 5839 5676 __(ldr(sp,0(sp))) … … 5864 5701 __(li allocbase,-dnode_size) 5865 5702 __(str(imm2,tcr.valence(rcontext))) 5866 .globl C(ffcall_return_window)5867 C(ffcall_return_window):5868 5703 __(vpop_saveregs()) 5869 5704 __(ldr(allocptr,tcr.save_allocptr(rcontext))) 5870 5705 __(ldr(allocbase,tcr.save_allocbase(rcontext))) 5871 .globl C(ffcall_return_window_end)5872 C(ffcall_return_window_end):5873 5706 __(ldr(loc_pc,lisp_frame.savelr(sp))) 5874 5707 __(mtlr loc_pc)
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