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radv: add padding for the UMR disassembler

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Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
This commit is contained in:
Samuel Pitoiset
2018-06-27 10:39:51 +02:00
parent 91f48cdfe5
commit 939e5a3823
1 changed files with 18 additions and 2 deletions
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20
src/amd/vulkan/radv_shader.c
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@@ -385,6 +385,16 @@ radv_destroy_shader_slabs(struct radv_device *device)
mtx_destroy(&device->shader_slab_mutex);
}
/* For the UMR disassembler. */
#define DEBUGGER_END_OF_CODE_MARKER 0xbf9f0000 /* invalid instruction */
#define DEBUGGER_NUM_MARKERS 5
static unsigned
radv_get_shader_binary_size(struct ac_shader_binary *binary)
{
return binary->code_size + DEBUGGER_NUM_MARKERS * 4;
}
static void
radv_fill_shader_variant(struct radv_device *device,
struct radv_shader_variant *variant,
@@ -395,7 +405,7 @@ radv_fill_shader_variant(struct radv_device *device,
struct radv_shader_info *info = &variant->info.info;
unsigned vgpr_comp_cnt = 0;
variant->code_size = binary->code_size;
variant->code_size = radv_get_shader_binary_size(binary);
variant->rsrc2 = S_00B12C_USER_SGPR(variant->info.num_user_sgprs) |
S_00B12C_SCRATCH_EN(scratch_enabled);
@@ -475,6 +485,12 @@ radv_fill_shader_variant(struct radv_device *device,
void *ptr = radv_alloc_shader_memory(device, variant);
memcpy(ptr, binary->code, binary->code_size);
/* Add end-of-code markers for the UMR disassembler. */
uint32_t *ptr32 = (uint32_t *)ptr + binary->code_size / 4;
for (unsigned i = 0; i < DEBUGGER_NUM_MARKERS; i++)
ptr32[i] = DEBUGGER_END_OF_CODE_MARKER;
}
static void radv_init_llvm_target()
@@ -607,7 +623,7 @@ shader_variant_create(struct radv_device *device,
if (code_out) {
*code_out = binary.code;
*code_size_out = binary.code_size;
*code_size_out = variant->code_size;
} else
free(binary.code);
free(binary.config);