src/freedreno/vulkan/tu_cs.h - platform/external/mesa3d - Git at Google

 /*
  * Copyright © 2019 Google LLC
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  * and/or sell copies of the Software, and to permit persons to whom the
  * Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  * DEALINGS IN THE SOFTWARE.
  */
 #ifndef TU_CS_H
 #define TU_CS_H

 #include "tu_private.h"

 #include "adreno_pm4.xml.h"

 void
 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_cs *cs);

 void
 tu_cs_begin(struct tu_cs *cs);

 void
 tu_cs_end(struct tu_cs *cs);

 VkResult
 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_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_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 uint32_t
 tu_cs_get_call_size(const struct tu_cs *cs)
 {
    assert(cs->mode == TU_CS_MODE_GROW);
    /* each CP_INDIRECT_BUFFER needs 4 dwords */
    return cs->entry_count * 4;
 }

 /**
  * Assert that we did not exceed the reserved space.
  */
 static inline void
 tu_cs_sanity_check(const struct tu_cs *cs)
 {
    assert(cs->start <= cs->cur);
    assert(cs->cur <= cs->reserved_end);
    assert(cs->reserved_end <= cs->end);
 }

 /**
  * Emit a uint32_t value into a command stream, without boundary checking.
  */
 static inline void
 tu_cs_emit(struct tu_cs *cs, uint32_t value)
 {
    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)
 {
    /* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
     * note that we want odd parity so 0x6996 is inverted.
     */
    val ^= val >> 16;
    val ^= val >> 8;
    val ^= val >> 4;
    val &= 0xf;
    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)));
 }

 /**
  * Emit a type-7 command packet header into a command stream.
  */
 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_wfi(struct tu_cs *cs)
 {
    tu_cs_emit_pkt7(cs, CP_WAIT_FOR_IDLE, 0);
 }

 static inline void
 tu_cs_emit_qw(struct tu_cs *cs, uint64_t value)
 {
    tu_cs_emit(cs, (uint32_t) value);
    tu_cs_emit(cs, (uint32_t) (value >> 32));
 }

 static inline void
 tu_cs_emit_write_reg(struct tu_cs *cs, uint16_t reg, uint32_t value)
 {
    tu_cs_emit_pkt4(cs, reg, 1);
    tu_cs_emit(cs, value);
 }

 /**
  * Emit a CP_INDIRECT_BUFFER command packet.
  */
 static inline void
 tu_cs_emit_ib(struct tu_cs *cs, const struct tu_cs_entry *entry)
 {
    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.
  */
 static inline void
 tu_cs_emit_call(struct tu_cs *cs, const struct tu_cs *target)
 {
    assert(target->mode == TU_CS_MODE_GROW);
    for (uint32_t i = 0; i < target->entry_count; i++)
       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 */
	/*
	* Copyright © 2019 Google LLC
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	* and/or sell copies of the Software, and to permit persons to whom the
	* Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	* DEALINGS IN THE SOFTWARE.
	*/
	#ifndef TU_CS_H
	#define TU_CS_H

	#include "tu_private.h"

	#include "adreno_pm4.xml.h"

	void
	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_cs *cs);

	void
	tu_cs_begin(struct tu_cs *cs);

	void
	tu_cs_end(struct tu_cs *cs);

	VkResult
	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_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_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 uint32_t
	tu_cs_get_call_size(const struct tu_cs *cs)
	{
	assert(cs->mode == TU_CS_MODE_GROW);
	/* each CP_INDIRECT_BUFFER needs 4 dwords */
	return cs->entry_count * 4;
	}

	/**
	* Assert that we did not exceed the reserved space.
	*/
	static inline void
	tu_cs_sanity_check(const struct tu_cs *cs)
	{
	assert(cs->start <= cs->cur);
	assert(cs->cur <= cs->reserved_end);
	assert(cs->reserved_end <= cs->end);
	}

	/**
	* Emit a uint32_t value into a command stream, without boundary checking.
	*/
	static inline void
	tu_cs_emit(struct tu_cs *cs, uint32_t value)
	{
	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)
	{
	/* See: http://graphics.stanford.edu/~seander/bithacks.html#ParityParallel
	* note that we want odd parity so 0x6996 is inverted.
	*/
	val ^= val >> 16;
	val ^= val >> 8;
	val ^= val >> 4;
	val &= 0xf;
	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)));
	}

	/**
	* Emit a type-7 command packet header into a command stream.
	*/
	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_wfi(struct tu_cs *cs)
	{
	tu_cs_emit_pkt7(cs, CP_WAIT_FOR_IDLE, 0);
	}

	static inline void
	tu_cs_emit_qw(struct tu_cs *cs, uint64_t value)
	{
	tu_cs_emit(cs, (uint32_t) value);
	tu_cs_emit(cs, (uint32_t) (value >> 32));
	}

	static inline void
	tu_cs_emit_write_reg(struct tu_cs *cs, uint16_t reg, uint32_t value)
	{
	tu_cs_emit_pkt4(cs, reg, 1);
	tu_cs_emit(cs, value);
	}

	/**
	* Emit a CP_INDIRECT_BUFFER command packet.
	*/
	static inline void
	tu_cs_emit_ib(struct tu_cs cs, const struct tu_cs_entry entry)
	{
	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.
	*/
	static inline void
	tu_cs_emit_call(struct tu_cs cs, const struct tu_cs target)
	{
	assert(target->mode == TU_CS_MODE_GROW);
	for (uint32_t i = 0; i < target->entry_count; i++)
	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 */