diff options
| -rw-r--r-- | risugen_ppc64.pm | 42 |
1 files changed, 31 insertions, 11 deletions
diff --git a/risugen_ppc64.pm b/risugen_ppc64.pm index 341478c..1a3cd59 100644 --- a/risugen_ppc64.pm +++ b/risugen_ppc64.pm @@ -99,6 +99,29 @@ sub write_mov_ri64($$) insn32((0x3e << 26) | (20 << 21) | (1 << 16) | 0x10); } +sub write_mov_ri128($$$$) +{ + my ($imhh, $imh, $iml, $imll) = @_; + + # store the lowest 32 bits + write_mov_ri32(20, $imll); + # stw r20, 16(r1) + insn32((0x24 << 26) | (20 << 21) | (1 << 16) | 0x10); + # store the lower 32 bits + write_mov_ri32(20, $iml); + # stw r20, 20(r1) + insn32((0x24 << 26) | (20 << 21) | (1 << 16) | 0x14); + # store the higher 32 bits + write_mov_ri32(20, $imh); + # stw r20, 24(r1) + insn32((0x24 << 26) | (20 << 21) | (1 << 16) | 0x18); + # store the highest 32 bits + write_mov_ri32(20, $imhh); + # stw r20, 28(r1) + insn32((0x24 << 26) | (20 << 21) | (1 << 16) | 0x1c); + +} + sub write_random_ppc64_fpdata() { for (my $i = 0; $i < 32; $i++) { @@ -106,22 +129,18 @@ sub write_random_ppc64_fpdata() write_mov_ri64(rand(0xfffff), rand(0xfffff)); # since the EA is r1+16, load such value in FP reg insn32((0x32 << 26) | ($i << 21) | (0x1 << 16) | 0x10); - insn32((0x39 << 26) | ($i << 21) | (0x1 << 16) | 0x12); - } } -sub write_random_ppc64_fpdata_i() +sub write_random_ppc64_vrdata() { - # get an space from the stack - insn32(0x3ac10020); # addi r22, r1, 32 - insn32(0x3ee03ff0); # lis r23, 0x3ff0 - insn32(0x3af70000); # addi r23, r23, 0 - insn32(0xfaf60000); # std r23, 0(r22) - for (my $i = 0; $i < 32; $i++) { - # lfd f$i, 0(r22) - insn32((0x32 << 26 | $i << 21 | 0x16 << 16)); + # load a random doubleword value at r0 + write_mov_ri128(rand(0xffff), rand(0xffff), rand(0xfffff), rand(0xfffff)); + # li r0, 16 + write_mov_ri16(0, 0x10); + # lvx vr$i, r1, r0 + insn32((0x1f << 26) | ($i << 21) | (0x1 << 16) | 0x2ce); } } @@ -172,6 +191,7 @@ sub write_random_register_data($) clear_vr_registers(); + write_random_ppc64_vrdata(); if ($fp_enabled) { # load floating point / SIMD registers write_random_ppc64_fpdata(); |