[PATCH 1/2] etnaviv: Support opcodes with bit 6 set in assembler

Wladimir J. van der Laan laanwj at gmail.com
Sun Oct 1 09:21:19 UTC 2017


Support opcodes with bit 6 set in assembler, and assert that only ops
0x00..0x7f are used.

Signed-off-by: Wladimir J. van der Laan <laanwj at gmail.com>
---
 src/gallium/drivers/etnaviv/etnaviv_asm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/etnaviv/etnaviv_asm.c b/src/gallium/drivers/etnaviv/etnaviv_asm.c
index 7d6270c..8ef4dc9 100644
--- a/src/gallium/drivers/etnaviv/etnaviv_asm.c
+++ b/src/gallium/drivers/etnaviv/etnaviv_asm.c
@@ -68,7 +68,9 @@ etna_assemble(uint32_t *out, const struct etna_inst *inst)
    if (!check_uniforms(inst))
       BUG("error: generating instruction that accesses two different uniforms");
 
-   out[0] = VIV_ISA_WORD_0_OPCODE(inst->opcode) |
+   assert(!(inst->opcode&~0x7f));
+
+   out[0] = VIV_ISA_WORD_0_OPCODE(inst->opcode & 0x3f) |
             VIV_ISA_WORD_0_COND(inst->cond) |
             COND(inst->sat, VIV_ISA_WORD_0_SAT) |
             COND(inst->dst.use, VIV_ISA_WORD_0_DST_USE) |
@@ -88,6 +90,7 @@ etna_assemble(uint32_t *out, const struct etna_inst *inst)
             VIV_ISA_WORD_2_SRC0_RGROUP(inst->src[0].rgroup) |
             COND(inst->src[1].use, VIV_ISA_WORD_2_SRC1_USE) |
             VIV_ISA_WORD_2_SRC1_REG(inst->src[1].reg) |
+            COND(inst->opcode & 0x40, VIV_ISA_WORD_2_OPCODE_BIT6) |
             VIV_ISA_WORD_2_SRC1_SWIZ(inst->src[1].swiz) |
             COND(inst->src[1].neg, VIV_ISA_WORD_2_SRC1_NEG) |
             COND(inst->src[1].abs, VIV_ISA_WORD_2_SRC1_ABS) |
-- 
2.7.4



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