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radeon_hd: Add updated / missing atombios opcodes

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* Newer cards introduce two new opcodes mul32 and div32
* Add completely missing processds opcode
This commit is contained in:
Alexander von Gluck IV
2016-04-08 09:36:18 -05:00
committed by Alexander von Gluck IV
parent 6266cf35de
commit 190b33c4b0
2 changed files with 60 additions and 1 deletions
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src/add-ons/accelerants/radeon_hd/atombios/atom.cpp
+59
View File
@@ -621,6 +621,32 @@ atom_op_div(atom_exec_context *ctx, int *ptr, int arg)
}
static void
atom_op_div32(atom_exec_context *ctx, int *ptr, int arg)
{
uint64 val64;
uint8 attr = U8((*ptr)++);
uint32 dst, src;
dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
src = atom_get_src(ctx, attr, ptr);
if (src != 0) {
val64 = dst;
val64 |= ((uint64)ctx->ctx->divmul[1]) << 32;
do_div(val64, src);
ctx->ctx->divmul[0] = lower_32_bits(val64);
ctx->ctx->divmul[1] = upper_32_bits(val64);
} else {
ctx->ctx->divmul[0] = 0;
ctx->ctx->divmul[1] = 0;
}
#ifdef ATOM_TRACE
TRACE("%s: 0x%" B_PRIX32 " / 0x%" B_PRIX32 " is"
" 0x%" B_PRIX32 " + 0x%" B_PRIX32 "\n", __func__, dst, src,
ctx->ctx->divmul[0], ctx->ctx->divmul[1]);
#endif
}
static void
atom_op_eot(atom_exec_context *ctx, int *ptr, int arg)
{
@@ -729,6 +755,25 @@ atom_op_mul(atom_exec_context *ctx, int *ptr, int arg)
}
static void
atom_op_mul32(atom_exec_context *ctx, int *ptr, int arg)
{
uint64 val64;
uint8 attr = U8((*ptr)++);
uint32 dst, src;
dst = atom_get_dst(ctx, arg, attr, ptr, NULL, 1);
src = atom_get_src(ctx, attr, ptr);
val64 = (uint64)dst * (uint64)src;
ctx->ctx->divmul[0] = lower_32_bits(val64);
ctx->ctx->divmul[1] = upper_32_bits(val64);
#ifdef ATOM_TRACE
TRACE("%s: 0x%" B_PRIX32 " * 0x%" B_PRIX32 " is"
" 0x%" B_PRIX32 " + 0x%" B_PRIX32 "\n", __func__, dst, src,
ctx->ctx->divmul[0], ctx->ctx->divmul[1]);
#endif
}
static void
atom_op_nop(atom_exec_context *ctx, int *ptr, int arg)
{
@@ -1004,6 +1049,15 @@ atom_op_debug(atom_exec_context *ctx, int *ptr, int arg)
}
static void
atom_op_processds(atom_exec_context *ctx, int *ptr, int arg)
{
uint16 val = U16(*ptr);
(*ptr) += val + 2;
TRACE("%s: Processds output: 0x%02X\n", __func__, val);
}
static struct {
void (*func)(atom_exec_context *, int *, int);
int arg;
@@ -1130,6 +1184,11 @@ static struct {
{ atom_op_shr, ATOM_ARG_PLL },
{ atom_op_shr, ATOM_ARG_MC },
{ atom_op_debug, 0 },
{ atom_op_processds, 0},
{ atom_op_mul32, ATOM_ARG_PS},
{ atom_op_mul32, ATOM_ARG_WS},
{ atom_op_div32, ATOM_ARG_PS},
{ atom_op_div32, ATOM_ARG_WS}
};
src/add-ons/accelerants/radeon_hd/atombios/atom.h
+1 -1
View File
@@ -78,7 +78,7 @@ struct card_info {
#define ATOM_CT_PS_MASK 0x7F
#define ATOM_CT_CODE_PTR 6
#define ATOM_OP_CNT 123
#define ATOM_OP_CNT 127
#define ATOM_OP_EOT 91
#define ATOM_CASE_MAGIC 0x63