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nv2a: Support PGRAPH RDI

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This commit is contained in:
Jannik Vogel 2019-02-20 22:53:40 +01:00 committed by mborgerson
parent 5ccd95ec4b
commit 973f8db16a
2 changed files with 61 additions and 0 deletions
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57
hw/xbox/nv2a/nv2a_pgraph.c
View File

@ -299,6 +299,33 @@ static uint64_t fnv_hash(const uint8_t *data, size_t len);
static uint64_t fast_hash(const uint8_t *data, size_t len, unsigned int samples);
/* PGRAPH - accelerated 2d/3d drawing engine */
static uint32_t pgraph_rdi_read(PGRAPHState *pg,
unsigned int select, unsigned int address)
{
uint32_t r = 0;
switch(select) {
default:
fprintf(stderr, "nv2a: unknown rdi read select 0x%x address 0x%x\n",
select, address);
assert(false);
break;
}
return r;
}
static void pgraph_rdi_write(PGRAPHState *pg,
unsigned int select, unsigned int address,
uint32_t val)
{
switch(select) {
default:
NV2A_DPRINTF("unknown rdi write select 0x%x, address 0x%x, val 0x%08x\n",
select, address, val);
break;
}
}
uint64_t pgraph_read(void *opaque, hwaddr addr, unsigned int size)
{
NV2AState *d = (NV2AState *)opaque;
@ -314,6 +341,21 @@ uint64_t pgraph_read(void *opaque, hwaddr addr, unsigned int size)
case NV_PGRAPH_INTR_EN:
r = pg->enabled_interrupts;
break;
case NV_PGRAPH_RDI_DATA: {
unsigned int select = GET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_SELECT);
unsigned int address = GET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_ADDRESS);
r = pgraph_rdi_read(pg, select, address);
/* FIXME: Overflow into select? */
assert(address < GET_MASK(NV_PGRAPH_RDI_INDEX_ADDRESS,
NV_PGRAPH_RDI_INDEX_ADDRESS));
SET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_ADDRESS, address + 1);
break;
}
default:
r = pg->regs[addr];
break;
@ -353,6 +395,21 @@ void pgraph_write(void *opaque, hwaddr addr, uint64_t val, unsigned int size)
qemu_cond_broadcast(&pg->flip_3d);
}
break;
case NV_PGRAPH_RDI_DATA: {
unsigned int select = GET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_SELECT);
unsigned int address = GET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_ADDRESS);
pgraph_rdi_write(pg, select, address, val);
/* FIXME: Overflow into select? */
assert(address < GET_MASK(NV_PGRAPH_RDI_INDEX_ADDRESS,
NV_PGRAPH_RDI_INDEX_ADDRESS));
SET_MASK(pg->regs[NV_PGRAPH_RDI_INDEX],
NV_PGRAPH_RDI_INDEX_ADDRESS, address + 1);
break;
}
case NV_PGRAPH_CHANNEL_CTX_TRIGGER: {
hwaddr context_address =
GET_MASK(pg->regs[NV_PGRAPH_CHANNEL_CTX_POINTER],

4
hw/xbox/nv2a/nv2a_regs.h
View File

@ -256,6 +256,10 @@
# define NV_PGRAPH_INCREMENT_READ_3D (1 << 1)
#define NV_PGRAPH_FIFO 0x00000720
# define NV_PGRAPH_FIFO_ACCESS (1 << 0)
#define NV_PGRAPH_RDI_INDEX 0x00000750
# define NV_PGRAPH_RDI_INDEX_ADDRESS 0x00001FFC
# define NV_PGRAPH_RDI_INDEX_SELECT 0x01FF0000
#define NV_PGRAPH_RDI_DATA 0x00000754
#define NV_PGRAPH_CHANNEL_CTX_TABLE 0x00000780
# define NV_PGRAPH_CHANNEL_CTX_TABLE_INST 0x0000FFFF
#define NV_PGRAPH_CHANNEL_CTX_POINTER 0x00000784