| 1 | /*
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| 2 | * SPDX-FileCopyrightText: 2011 Jakub Jermar
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| 3 | *
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| 4 | * SPDX-License-Identifier: BSD-3-Clause
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| 5 | */
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| 6 |
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| 7 | #include <abi/asmtool.h>
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| 8 |
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| 9 | .explicit
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| 10 |
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| 11 | #define STACK_SCRATCH_AREA 16
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| 12 | #define STACK_IN8 (0 + STACK_SCRATCH_AREA)
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| 13 | #define STACK_IN9 (8 + STACK_SCRATCH_AREA)
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| 14 | #define STACK_IN10 (16 + STACK_SCRATCH_AREA)
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| 15 |
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| 16 | #
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| 17 | # Assume the following PSR bits are already 0, as expected by SAL:
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| 18 | #
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| 19 | # be, cpl, is, da, dd, ss, ri, ed, ia
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| 20 | #
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| 21 | # Assume PSR.bn is 1, as expected by SAL.
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| 22 | #
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| 23 | FUNCTION_BEGIN(sal_call)
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| 24 | alloc loc0 = ar.pfs, 8, 8, 8, 0
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| 25 |
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| 26 | adds sp = -STACK_SCRATCH_AREA, sp
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| 27 |
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| 28 | mov loc1 = gp
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| 29 | mov loc2 = rp
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| 30 |
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| 31 | addl loc3 = @gprel(sal_proc), gp
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| 32 | addl loc4 = @gprel(sal_proc_gp), gp
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| 33 |
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| 34 | mov out0 = in0
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| 35 | mov out1 = in1
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| 36 | mov out2 = in2
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| 37 | mov out3 = in3
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| 38 | mov out4 = in4
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| 39 | mov out5 = in5
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| 40 | mov out6 = in6
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| 41 | mov out7 = in7 ;;
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| 42 |
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| 43 | ld8 loc3 = [loc3]
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| 44 | ld8 gp = [loc4]
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| 45 |
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| 46 | adds r14 = STACK_IN8 + STACK_SCRATCH_AREA, sp
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| 47 | adds r15 = STACK_IN9 + STACK_SCRATCH_AREA, sp
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| 48 | adds r16 = STACK_IN10 + STACK_SCRATCH_AREA, sp ;;
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| 49 |
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| 50 | ld8 loc5 = [r14]
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| 51 | ld8 loc6 = [r15]
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| 52 | ld8 loc7 = [r16]
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| 53 |
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| 54 | mov b6 = loc3 ;;
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| 55 | br.call.sptk.many rp = b6
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| 56 |
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| 57 | cmp.ne p7,p0 = 0, loc5
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| 58 | cmp.ne p8,p0 = 0, loc6
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| 59 | cmp.ne p9,p0 = 0, loc7 ;;
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| 60 |
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| 61 | (p7) st8 [loc5] = r9
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| 62 | (p8) st8 [loc6] = r10
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| 63 | (p9) st8 [loc7] = r11
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| 64 |
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| 65 | mov gp = loc1
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| 66 | mov rp = loc2
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| 67 |
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| 68 | adds sp = STACK_SCRATCH_AREA, sp ;;
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| 69 |
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| 70 | mov ar.pfs = loc0
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| 71 | br.ret.sptk.many rp
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| 72 | FUNCTION_END(sal_call)
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| 73 |
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