diff options
Diffstat (limited to 'src/abstract_hardware_model.h')
| -rw-r--r-- | src/abstract_hardware_model.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/abstract_hardware_model.h b/src/abstract_hardware_model.h index 15a7296..c90d56e 100644 --- a/src/abstract_hardware_model.h +++ b/src/abstract_hardware_model.h @@ -139,6 +139,44 @@ public: virtual class gpgpu_sim *get_gpu() = 0; }; +#define GLOBAL_HEAP_START 0x80000000 + // start allocating from this address (lower values used for allocating globals in .ptx file) +#define SHARED_MEM_SIZE_MAX (64*1024) +#define LOCAL_MEM_SIZE_MAX (16*1024) +#define MAX_STREAMING_MULTIPROCESSORS 64 +#define MAX_THREAD_PER_SM 1024 +#define TOTAL_LOCAL_MEM_PER_SM (MAX_THREAD_PER_SM*LOCAL_MEM_SIZE_MAX) +#define TOTAL_SHARED_MEM (MAX_STREAMING_MULTIPROCESSORS*SHARED_MEM_SIZE_MAX) +#define TOTAL_LOCAL_MEM (MAX_STREAMING_MULTIPROCESSORS*MAX_THREAD_PER_SM*LOCAL_MEM_SIZE_MAX) +#define SHARED_GENERIC_START (GLOBAL_HEAP_START-TOTAL_SHARED_MEM) +#define LOCAL_GENERIC_START (SHARED_GENERIC_START-TOTAL_LOCAL_MEM) +#define STATIC_ALLOC_LIMIT (GLOBAL_HEAP_START - (TOTAL_LOCAL_MEM+TOTAL_SHARED_MEM)) + +class gpgpu_t { +public: + gpgpu_t(); + void* gpgpu_ptx_sim_malloc( size_t size ); + void* gpgpu_ptx_sim_mallocarray( size_t count ); + void gpgpu_ptx_sim_memcpy_to_gpu( size_t dst_start_addr, const void *src, size_t count ); + void gpgpu_ptx_sim_memcpy_from_gpu( void *dst, size_t src_start_addr, size_t count ); + void gpgpu_ptx_sim_memcpy_gpu_to_gpu( size_t dst, size_t src, size_t count ); + void gpgpu_ptx_sim_memset( size_t dst_start_addr, int c, size_t count ); + + class memory_space *get_global_memory() { return g_global_mem; } + class memory_space *get_tex_memory() { return g_tex_mem; } + class memory_space *get_surf_memory() { return g_surf_mem; } + class memory_space *get_param_memory() { return g_param_mem; } + +protected: + // functional simulation state + class memory_space *g_global_mem; + class memory_space *g_tex_mem; + class memory_space *g_surf_mem; + class memory_space *g_param_mem; + + unsigned long long g_dev_malloc; +}; + struct gpgpu_ptx_sim_kernel_info { // Holds properties of the kernel (Kernel's resource use). @@ -306,6 +344,24 @@ public: m_per_scalar_thread[lane_id].callback.instruction = inst; m_per_scalar_thread[lane_id].callback.thread = thread; } + void set_active( std::vector<unsigned> &active ) + { + warp_active_mask.reset(); + for( std::vector<unsigned>::iterator i=active.begin(); i!=active.end(); ++i ) { + unsigned t = *i; + assert( t < m_warp_size ); + warp_active_mask.set(t); + } + if( m_isatomic ) { + for( unsigned i=0; i < m_warp_size; i++ ) { + if( !warp_active_mask.test(i) ) { + m_per_scalar_thread[i].callback.function = NULL; + m_per_scalar_thread[i].callback.instruction = NULL; + m_per_scalar_thread[i].callback.thread = NULL; + } + } + } + } // accessors virtual void print_insn(FILE *fp) const |