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Minor cleanup
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Aba committed Jul 23, 2024
1 parent 6d36dcf commit 9b7bbbd
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Showing 2 changed files with 40 additions and 52 deletions.
84 changes: 36 additions & 48 deletions deepsocflow/c/runtime.h
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Original file line number Diff line number Diff line change
Expand Up @@ -86,25 +86,21 @@ typedef struct {

Memory_st mem;

static inline void flush_cache(void *addr, uint32_t bytes) {
// Do nothing
}

// Get and set config are done by sv
extern EXT_C u32 get_config(u32);
extern EXT_C void set_config(u32, u32);
static inline void flush_cache(void *addr, uint32_t bytes) {} // Do nothing

#else
#define sim_fprintf(...)
#define mem (*(Memory_st* restrict)MEM_BASEADDR)

inline volatile u32 get_config(u32 offset){
return *(volatile u32 *)(CONFIG_BASEADDR + offset);
return *(volatile u32 *)(CONFIG_BASEADDR + offset*4);
}

inline void set_config(u32 offset, u32 data){
volatile u32 *Addr = (volatile u32 *restrict)(CONFIG_BASEADDR + offset);
*Addr = data;
*(volatile u32 *restrict)(CONFIG_BASEADDR + offset*4) = data;
}
#endif

Expand All @@ -120,6 +116,7 @@ typedef struct {
// Helper functions

static inline void print_output () {
flush_cache(&mem.y, sizeof(mem.y));
for (int i=0; i<O_WORDS; i++){
printf("y[%d]: %f \n", i, (float)mem.y[i]);
}
Expand Down Expand Up @@ -161,22 +158,20 @@ static inline void write_x(i8 val, i8 *restrict p_out_buffer, i32 ib, i32 ixp, i

i32 p_offset = (ixp == 0) ? 0 : (pb_out->cm_p0 + (ixp-1)*pb_out->cm) * pb_out->xp_words;
i32 flat_index_n2r = (((ixn*pb_out->l + ixl)*pb_out->w + ixw)*xcm + ixcm)*(PE_ROWS+pb_out->x_pad) + ixr; // multidim_index -> flat_index [n,l,w,cm,r]
i32 flat_index = p_offset + flat_index_n2r;

#ifdef XDEBUG
i32 flat_index = p_offset + flat_index_n2r;
mem.debug_tiled[flat_index] = val;
#endif

// Pack bits and store
div_t packed_idx = div(p_offset + flat_index_n2r, X_WORDS_PER_BYTE);
div_t packed_idx = div(flat_index, X_WORDS_PER_BYTE);
assert_printf (packed_idx.quot , <, bundles[ib].o_bytes, "write_x", WRITEX_DEBUG_INFO);

u8 packed_val = ((u8)val & X_BITS_MASK) << (packed_idx.rem * X_BITS);
u8 mem_val = p_out_buffer[packed_idx.quot];
u8 mem_val_cleaned = X_POSITION_INVERTED_MASKS[packed_idx.rem] & mem_val;
write_flush_u8((u8*)(p_out_buffer + packed_idx.quot), mem_val_cleaned | packed_val);

// if (ib==1 && packed_idx.quot >= 356) debug_printf("index:%d, final_val:%d --- position:%d value:%d packed_val:%d, mem_val:%d, mem_val_cleaned:%d, clean_mask:%d, pos_mask:%d \n", packed_index, mem.debug_packed[packed_index], packed_position, val, packed_val, mem_val, mem_val_cleaned, X_BITS_MASK, X_POSITION_INVERTED_MASKS[packed_position]);
}


Expand Down Expand Up @@ -285,7 +280,7 @@ extern EXT_C u8 model_run() {
#endif

debug_printf("Starting model_run()\n");
set_config(4*A_START, 1);
set_config(A_START, 1);

for (ib = 0; ib < N_BUNDLES; ib++) {

Expand All @@ -307,7 +302,7 @@ extern EXT_C u8 model_run() {
#ifdef SIM
DMA_WAIT:
// if sim return, so SV can pass time, and call again, which will jump to DMA_WAIT again
if (!get_config(4*(A_DONE_WRITE + ocm_bank)))
if (!get_config(A_DONE_WRITE + ocm_bank))
return 1;

char f_path_raw [1000], f_path_sum [1000]; // make sure full f_path_raw is shorter than 1000
Expand All @@ -316,13 +311,13 @@ extern EXT_C u8 model_run() {
FILE *fp_raw = fopen(f_path_raw, "a");
FILE *fp_sum = fopen(f_path_sum, "a");
#else
while (!get_config(4*(A_DONE_WRITE + ocm_bank))){
while (!get_config(A_DONE_WRITE + ocm_bank)){
// in FPGA, wait for write done
};
flush_cache(&ocm[ocm_bank], PE_ROWS*PE_COLS*sizeof(Y_TYPE)) ;
usleep(0);
#endif
set_config(4*(A_DONE_WRITE + ocm_bank), 0);
flush_cache(&ocm[ocm_bank], PE_ROWS*PE_COLS*sizeof(Y_TYPE)) ;
set_config(A_DONE_WRITE + ocm_bank, 0);

w_last = iw_kw2 == pb->w_kw2-1 ? pb->kw/2+1 : 1;
sram_addr=0;
Expand Down Expand Up @@ -508,7 +503,7 @@ extern EXT_C u8 model_run() {
fclose(fp_sum);
fclose(fp_raw);
#endif
set_config(4*(A_DONE_READ + ocm_bank), 1);
set_config(A_DONE_READ + ocm_bank, 1);
debug_printf("-------- iw_kw2 0x%x done \n", iw_kw2);
} // iw_kw2
iw_kw2 = 0;
Expand Down Expand Up @@ -554,11 +549,10 @@ extern EXT_C u8 model_run() {
fclose(fp_packed);
}
#endif
set_config(4*A_BUNDLE_DONE, 1);
set_config(A_BUNDLE_DONE, 1);
} // ib
ib = 0;
debug_printf("done all bundles!!\n");
flush_cache(&mem.y, sizeof(mem.y));
#ifdef SIM
is_first_call = 1;
#endif
Expand All @@ -569,19 +563,6 @@ extern EXT_C u8 model_run() {
// Rest of the helper functions used in simulation.
#ifdef SIM

extern EXT_C void sim_fill_memory (){
FILE *fp;
char f_path [1000];

sprintf(f_path, "%s/wbx.bin", DATA_DIR);
fp = fopen(f_path, "rb");
debug_printf("DEBUG: Reading from file %s \n", f_path);
if(!fp)
debug_printf("ERROR! File not found: %s \n", f_path);
int bytes = fread(mem.w, 1, WB_BYTES+X_BYTES, fp);
fclose(fp);
}

extern EXT_C u32 addr_64to32(void* restrict addr){
u64 offset = (u64)addr - (u64)&mem;
return (u32)offset + 0x20000000;
Expand Down Expand Up @@ -613,24 +594,31 @@ u32 addr_64to32 (void* addr){
extern EXT_C void model_setup(){

#ifdef SIM
sim_fill_memory();
FILE *fp;
char f_path [1000];
sprintf(f_path, "%s/wbx.bin", DATA_DIR);
fp = fopen(f_path, "rb");
debug_printf("DEBUG: Reading from file %s \n", f_path);
if(!fp) debug_printf("ERROR! File not found: %s \n", f_path);
int bytes = fread(mem.w, 1, WB_BYTES+X_BYTES, fp);
fclose(fp);
#endif
flush_cache(&mem.w, WB_BYTES+X_BYTES); // force transfer to DDR, starting addr & length

// Write registers in controller
set_config(4*A_START, 0); // Start
set_config(4*(A_DONE_READ+0), 1); // Done read ocm bank 0
set_config(4*(A_DONE_READ+1), 1); // Done read ocm bank 1
set_config(4*(A_DONE_WRITE+0), 0); // Done write ocm bank 0
set_config(4*(A_DONE_WRITE+1), 0); // Done write ocm bank 1
set_config(4*(A_OCM_BASE+0), addr_64to32(ocm[0])); // Base addr ocm bank 0
set_config(4*(A_OCM_BASE+1), addr_64to32(ocm[1])); // Base addr ocm bank 1
set_config(4*A_WEIGHTS_BASE, addr_64to32(mem.w)); // Base adddr weights
set_config(4*A_BUNDLE_DONE, 1); // Bundle done (?)
set_config(4*A_N_BUNDLES_1, N_BUNDLES); // Number of bundles
set_config(4*A_W_DONE, 0); // Weigths done
set_config(4*A_X_DONE, 0); // Bundle done
set_config(4*A_O_DONE, 0); // Output done
set_config(A_START , 0); // Start
set_config(A_DONE_READ +0, 1); // Done read ocm bank 0
set_config(A_DONE_READ +1, 1); // Done read ocm bank 1
set_config(A_DONE_WRITE+0, 0); // Done write ocm bank 0
set_config(A_DONE_WRITE+1, 0); // Done write ocm bank 1
set_config(A_OCM_BASE +0, addr_64to32(ocm[0])); // Base addr ocm bank 0
set_config(A_OCM_BASE +1, addr_64to32(ocm[1])); // Base addr ocm bank 1
set_config(A_WEIGHTS_BASE, addr_64to32(mem.w)); // Base adddr weights
set_config(A_BUNDLE_DONE , 1); // Bundle done writing (pixel dma waits for this)
set_config(A_N_BUNDLES_1 , N_BUNDLES); // Number of bundles
set_config(A_W_DONE , 0); // Weigths done
set_config(A_X_DONE , 0); // Bundle done
set_config(A_O_DONE , 0); // Output done

// Write into BRAM the config for controller
i32 parameters[8*N_BUNDLES];
Expand All @@ -640,14 +628,14 @@ extern EXT_C void model_setup(){
parameters[8*var+2] = bundles[var].x_bpt; // x_bpt
parameters[8*var+3] = bundles[var].w_bpt_p0; // w_bpt0
parameters[8*var+4] = bundles[var].w_bpt; // w_bpt

assert_printf(bundles[var].p, <, 1<<16, "", "P should be less than 2**16 for bundle:%x", var);
assert_printf(bundles[var].t, <, 1<<16, "", "T should be less than 2**16 for bundle:%x", var);
parameters[8*var+5] = (bundles[var].t << 16) + bundles[var].p; // max p

parameters[8*var+6] = ((u32*)&bundles[var].header)[0];
parameters[8*var+7] = ((u32*)&bundles[var].header)[1];
}
for (int var = 0; var < 8*N_BUNDLES; var++){
set_config(4*(16+var), parameters[var]);
set_config(16+var, parameters[var]);
}
}
8 changes: 4 additions & 4 deletions deepsocflow/test/sv/axi_sys_tb.sv
View file
Original file line number Diff line number Diff line change
Expand Up @@ -60,14 +60,14 @@ module axi_sys_tb;


function automatic int get_config(input int offset);
if (offset < 16*4) return dut.OC_TOP.CONTROLLER.cfg[offset/4];
else return dut.OC_TOP.CONTROLLER.sdp_ram.RAM[offset/4-16];
if (offset < 16) return dut.OC_TOP.CONTROLLER.cfg [offset ];
else return dut.OC_TOP.CONTROLLER.sdp_ram.RAM[offset-16];
endfunction


function automatic set_config(input int offset, input int data);
if (offset < 16*4) dut.OC_TOP.CONTROLLER.cfg[offset/4] <= data;
else dut.OC_TOP.CONTROLLER.sdp_ram.RAM[offset/4-16] <= data;
if (offset < 16) dut.OC_TOP.CONTROLLER.cfg [offset ] <= data;
else dut.OC_TOP.CONTROLLER.sdp_ram.RAM[offset-16] <= data;
endfunction


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