#include "tu_private.h"
-#include "registers/adreno_pm4.xml.h"
+#include "adreno_pm4.xml.h"
void
-tu_cs_init(struct tu_cs *cs, enum tu_cs_mode mode, uint32_t initial_size);
+tu_cs_init(struct tu_cs *cs,
+ struct tu_device *device,
+ enum tu_cs_mode mode,
+ uint32_t initial_size);
void
tu_cs_init_external(struct tu_cs *cs, uint32_t *start, uint32_t *end);
void
-tu_cs_finish(struct tu_device *dev, struct tu_cs *cs);
+tu_cs_finish(struct tu_cs *cs);
void
tu_cs_begin(struct tu_cs *cs);
tu_cs_end(struct tu_cs *cs);
VkResult
-tu_cs_begin_sub_stream(struct tu_device *dev,
- struct tu_cs *cs,
- uint32_t size,
- struct tu_cs *sub_cs);
+tu_cs_begin_sub_stream(struct tu_cs *cs, uint32_t size, struct tu_cs *sub_cs);
+
+VkResult
+tu_cs_alloc(struct tu_cs *cs,
+ uint32_t count,
+ uint32_t size,
+ struct tu_cs_memory *memory);
struct tu_cs_entry
tu_cs_end_sub_stream(struct tu_cs *cs, struct tu_cs *sub_cs);
+static inline struct tu_draw_state
+tu_cs_end_draw_state(struct tu_cs *cs, struct tu_cs *sub_cs)
+{
+ struct tu_cs_entry entry = tu_cs_end_sub_stream(cs, sub_cs);
+ return (struct tu_draw_state) {
+ .iova = entry.bo->iova + entry.offset,
+ .size = entry.size / sizeof(uint32_t),
+ };
+}
+
VkResult
-tu_cs_reserve_space(struct tu_device *dev,
- struct tu_cs *cs,
- uint32_t reserved_size);
+tu_cs_reserve_space(struct tu_cs *cs, uint32_t reserved_size);
+
+static inline struct tu_draw_state
+tu_cs_draw_state(struct tu_cs *sub_cs, struct tu_cs *cs, uint32_t size)
+{
+ struct tu_cs_memory memory;
+
+ /* TODO: clean this up */
+ tu_cs_alloc(sub_cs, size, 1, &memory);
+ tu_cs_init_external(cs, memory.map, memory.map + size);
+ tu_cs_begin(cs);
+ tu_cs_reserve_space(cs, size);
+
+ return (struct tu_draw_state) {
+ .iova = memory.iova,
+ .size = size,
+ };
+}
void
-tu_cs_reset(struct tu_device *dev, struct tu_cs *cs);
+tu_cs_reset(struct tu_cs *cs);
+
+VkResult
+tu_cs_add_entries(struct tu_cs *cs, struct tu_cs *target);
+
+/**
+ * Get the size of the command packets emitted since the last call to
+ * tu_cs_add_entry.
+ */
+static inline uint32_t
+tu_cs_get_size(const struct tu_cs *cs)
+{
+ return cs->cur - cs->start;
+}
+
+/**
+ * Return true if there is no command packet emitted since the last call to
+ * tu_cs_add_entry.
+ */
+static inline uint32_t
+tu_cs_is_empty(const struct tu_cs *cs)
+{
+ return tu_cs_get_size(cs) == 0;
+}
+
+/**
+ * Discard all entries. This allows \a cs to be reused while keeping the
+ * existing BOs and command packets intact.
+ */
+static inline void
+tu_cs_discard_entries(struct tu_cs *cs)
+{
+ assert(cs->mode == TU_CS_MODE_GROW);
+ cs->entry_count = 0;
+}
/**
* Get the size needed for tu_cs_emit_call.
static inline void
tu_cs_emit(struct tu_cs *cs, uint32_t value)
{
- assert(cs->cur < cs->end);
+ assert(cs->cur < cs->reserved_end);
*cs->cur = value;
++cs->cur;
}
+/**
+ * Emit an array of uint32_t into a command stream, without boundary checking.
+ */
+static inline void
+tu_cs_emit_array(struct tu_cs *cs, const uint32_t *values, uint32_t length)
+{
+ assert(cs->cur + length <= cs->reserved_end);
+ memcpy(cs->cur, values, sizeof(uint32_t) * length);
+ cs->cur += length;
+}
+
static inline unsigned
tu_odd_parity_bit(unsigned val)
{
return (~0x6996 >> val) & 1;
}
+/**
+ * Get the size of the remaining space in the current BO.
+ */
+static inline uint32_t
+tu_cs_get_space(const struct tu_cs *cs)
+{
+ return cs->end - cs->cur;
+}
+
+static inline void
+tu_cs_reserve(struct tu_cs *cs, uint32_t reserved_size)
+{
+ if (cs->mode != TU_CS_MODE_GROW) {
+ assert(tu_cs_get_space(cs) >= reserved_size);
+ assert(cs->reserved_end == cs->end);
+ return;
+ }
+
+ if (tu_cs_get_space(cs) >= reserved_size &&
+ cs->entry_count < cs->entry_capacity) {
+ cs->reserved_end = cs->cur + reserved_size;
+ return;
+ }
+
+ VkResult result = tu_cs_reserve_space(cs, reserved_size);
+ /* TODO: set this error in tu_cs and use it */
+ assert(result == VK_SUCCESS);
+}
+
/**
* Emit a type-4 command packet header into a command stream.
*/
static inline void
tu_cs_emit_pkt4(struct tu_cs *cs, uint16_t regindx, uint16_t cnt)
{
+ tu_cs_reserve(cs, cnt + 1);
tu_cs_emit(cs, CP_TYPE4_PKT | cnt | (tu_odd_parity_bit(cnt) << 7) |
((regindx & 0x3ffff) << 8) |
((tu_odd_parity_bit(regindx) << 27)));
static inline void
tu_cs_emit_pkt7(struct tu_cs *cs, uint8_t opcode, uint16_t cnt)
{
+ tu_cs_reserve(cs, cnt + 1);
tu_cs_emit(cs, CP_TYPE7_PKT | cnt | (tu_odd_parity_bit(cnt) << 15) |
((opcode & 0x7f) << 16) |
((tu_odd_parity_bit(opcode) << 23)));
static inline void
tu_cs_emit_ib(struct tu_cs *cs, const struct tu_cs_entry *entry)
{
- assert(entry->offset % sizeof(uint32_t) == 0);
+ assert(entry->bo);
+ assert(entry->size && entry->offset + entry->size <= entry->bo->size);
assert(entry->size % sizeof(uint32_t) == 0);
+ assert(entry->offset % sizeof(uint32_t) == 0);
tu_cs_emit_pkt7(cs, CP_INDIRECT_BUFFER, 3);
tu_cs_emit_qw(cs, entry->bo->iova + entry->offset);
tu_cs_emit(cs, entry->size / sizeof(uint32_t));
}
+/* for compute which isn't using SET_DRAW_STATE */
+static inline void
+tu_cs_emit_state_ib(struct tu_cs *cs, struct tu_draw_state state)
+{
+ if (state.size) {
+ tu_cs_emit_pkt7(cs, CP_INDIRECT_BUFFER, 3);
+ tu_cs_emit_qw(cs, state.iova);
+ tu_cs_emit(cs, state.size);
+ }
+}
+
/**
* Emit a CP_INDIRECT_BUFFER command packet for each entry in the target
* command stream.
tu_cs_emit_ib(cs, target->entries + i);
}
+/* Helpers for bracketing a large sequence of commands of unknown size inside
+ * a CP_COND_REG_EXEC packet.
+ */
+static inline void
+tu_cond_exec_start(struct tu_cs *cs, uint32_t cond_flags)
+{
+ assert(cs->mode == TU_CS_MODE_GROW);
+ assert(!cs->cond_flags && cond_flags);
+
+ tu_cs_emit_pkt7(cs, CP_COND_REG_EXEC, 2);
+ tu_cs_emit(cs, cond_flags);
+
+ cs->cond_flags = cond_flags;
+ cs->cond_dwords = cs->cur;
+
+ /* Emit dummy DWORD field here */
+ tu_cs_emit(cs, CP_COND_REG_EXEC_1_DWORDS(0));
+}
+#define CP_COND_EXEC_0_RENDER_MODE_GMEM \
+ (CP_COND_REG_EXEC_0_MODE(RENDER_MODE) | CP_COND_REG_EXEC_0_GMEM)
+#define CP_COND_EXEC_0_RENDER_MODE_SYSMEM \
+ (CP_COND_REG_EXEC_0_MODE(RENDER_MODE) | CP_COND_REG_EXEC_0_SYSMEM)
+
+static inline void
+tu_cond_exec_end(struct tu_cs *cs)
+{
+ assert(cs->cond_flags);
+
+ cs->cond_flags = 0;
+ /* Subtract one here to account for the DWORD field itself. */
+ *cs->cond_dwords = cs->cur - cs->cond_dwords - 1;
+}
+
+#define fd_reg_pair tu_reg_value
+#define __bo_type struct tu_bo *
+
+#include "a6xx.xml.h"
+#include "a6xx-pack.xml.h"
+
+#define __assert_eq(a, b) \
+ do { \
+ if ((a) != (b)) { \
+ fprintf(stderr, "assert failed: " #a " (0x%x) != " #b " (0x%x)\n", a, b); \
+ assert((a) == (b)); \
+ } \
+ } while (0)
+
+#define __ONE_REG(i, regs) \
+ do { \
+ if (i < ARRAY_SIZE(regs) && regs[i].reg > 0) { \
+ __assert_eq(regs[0].reg + i, regs[i].reg); \
+ if (regs[i].bo) { \
+ uint64_t v = regs[i].bo->iova + regs[i].bo_offset; \
+ v >>= regs[i].bo_shift; \
+ v |= regs[i].value; \
+ \
+ *p++ = v; \
+ *p++ = v >> 32; \
+ } else { \
+ *p++ = regs[i].value; \
+ if (regs[i].is_address) \
+ *p++ = regs[i].value >> 32; \
+ } \
+ } \
+ } while (0)
+
+/* Emits a sequence of register writes in order using a pkt4. This will check
+ * (at runtime on a !NDEBUG build) that the registers were actually set up in
+ * order in the code.
+ *
+ * Note that references to buffers aren't automatically added to the CS,
+ * unlike in freedreno. We are clever in various places to avoid duplicating
+ * the reference add work.
+ *
+ * Also, 64-bit address registers don't have a way (currently) to set a 64-bit
+ * address without having a reference to a BO, since the .dword field in the
+ * register's struct is only 32-bit wide. We should fix this in the pack
+ * codegen later.
+ */
+#define tu_cs_emit_regs(cs, ...) do { \
+ const struct fd_reg_pair regs[] = { __VA_ARGS__ }; \
+ unsigned count = ARRAY_SIZE(regs); \
+ \
+ STATIC_ASSERT(count > 0); \
+ STATIC_ASSERT(count <= 16); \
+ \
+ tu_cs_emit_pkt4((cs), regs[0].reg, count); \
+ uint32_t *p = (cs)->cur; \
+ __ONE_REG( 0, regs); \
+ __ONE_REG( 1, regs); \
+ __ONE_REG( 2, regs); \
+ __ONE_REG( 3, regs); \
+ __ONE_REG( 4, regs); \
+ __ONE_REG( 5, regs); \
+ __ONE_REG( 6, regs); \
+ __ONE_REG( 7, regs); \
+ __ONE_REG( 8, regs); \
+ __ONE_REG( 9, regs); \
+ __ONE_REG(10, regs); \
+ __ONE_REG(11, regs); \
+ __ONE_REG(12, regs); \
+ __ONE_REG(13, regs); \
+ __ONE_REG(14, regs); \
+ __ONE_REG(15, regs); \
+ (cs)->cur = p; \
+ } while (0)
+
#endif /* TU_CS_H */