Optimize asm matmul dma software path
This commit is contained in:
868
sdk/axi_ram.mif
868
sdk/axi_ram.mif
@@ -1,49 +1,9 @@
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|
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|
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|
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00000000000000000000101000001101
|
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|
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01000011010111110100110001010101
|
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00110010001100110100001101010010
|
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00000000000000000000000000111101
|
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|
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|||||||
@@ -19,27 +19,34 @@ CFLAGS += -nostartfiles -nostdlib -nostdinc -static -fno-builtin
|
|||||||
CFLAGS += -DCLOCKS_PER_SEC=CORE_CLOCKS_PER_SEC -D_CLOCKS_PER_SEC_=CORE_CLOCKS_PER_SEC
|
CFLAGS += -DCLOCKS_PER_SEC=CORE_CLOCKS_PER_SEC -D_CLOCKS_PER_SEC_=CORE_CLOCKS_PER_SEC
|
||||||
CFLAGS += -DUSE_CPU_CLOCK_COUNT
|
CFLAGS += -DUSE_CPU_CLOCK_COUNT
|
||||||
|
|
||||||
|
LINKER_SCRIPT ?= $(COMMON_DIR)/env/script.lds
|
||||||
|
BSP_STARTUP ?= $(COMMON_DIR)/env/start.S
|
||||||
|
BSP_USE_TRAP ?= 1
|
||||||
|
BSP_USE_DRIVERS ?= 1
|
||||||
|
|
||||||
#若使用 newlib , 将下面的 -lsemihost 替换为 -lgloss
|
#若使用 newlib , 将下面的 -lsemihost 替换为 -lgloss
|
||||||
LDFLAGS += -T $(LINKER_SCRIPT) \
|
LDFLAGS += -T $(LINKER_SCRIPT) \
|
||||||
-Wl,--gc-sections -Wl,--check-sections \
|
-Wl,--gc-sections -Wl,--check-sections \
|
||||||
-lc -lm -lg -lsemihost -lgcc -L$(PICOLIBC_DIR)/lib
|
-lc -lm -lg -lsemihost -lgcc -L$(PICOLIBC_DIR)/lib
|
||||||
|
|
||||||
LINKER_SCRIPT := $(COMMON_DIR)/env/script.lds
|
ASM_SRCS += $(BSP_STARTUP)
|
||||||
|
|
||||||
ASM_SRCS += $(COMMON_DIR)/env/start.S
|
|
||||||
|
|
||||||
|
ifeq ($(BSP_USE_TRAP),1)
|
||||||
ifeq ($(TARGET), RTThread_Nano)
|
ifeq ($(TARGET), RTThread_Nano)
|
||||||
|
|
||||||
else
|
else
|
||||||
ASM_SRCS += $(COMMON_DIR)/env/trap_handler.S
|
ASM_SRCS += $(COMMON_DIR)/env/trap_handler.S
|
||||||
endif
|
endif
|
||||||
|
endif
|
||||||
|
|
||||||
|
ifeq ($(BSP_USE_DRIVERS),1)
|
||||||
C_SRCS += $(COMMON_DIR)/drivers/confreg_time.c
|
C_SRCS += $(COMMON_DIR)/drivers/confreg_time.c
|
||||||
C_SRCS += $(COMMON_DIR)/drivers/core_time.c
|
C_SRCS += $(COMMON_DIR)/drivers/core_time.c
|
||||||
C_SRCS += $(COMMON_DIR)/drivers/common_func.c
|
C_SRCS += $(COMMON_DIR)/drivers/common_func.c
|
||||||
C_SRCS += $(COMMON_DIR)/drivers/dvi.c \
|
C_SRCS += $(COMMON_DIR)/drivers/dvi.c \
|
||||||
$(COMMON_DIR)/drivers/led.c \
|
$(COMMON_DIR)/drivers/led.c \
|
||||||
$(COMMON_DIR)/drivers/seg7.c
|
$(COMMON_DIR)/drivers/seg7.c
|
||||||
|
endif
|
||||||
|
|
||||||
INCLUDES += -I./ \
|
INCLUDES += -I./ \
|
||||||
-I$(COMMON_DIR)/include \
|
-I$(COMMON_DIR)/include \
|
||||||
|
|||||||
@@ -1,7 +1,8 @@
|
|||||||
TARGET = user-sample
|
TARGET = user-sample
|
||||||
|
|
||||||
MATMUL_GROUP_NUM ?= 5000
|
MATMUL_GROUP_NUM ?= 5000
|
||||||
CFLAGS += -O3 -g -DMATMUL_GROUP_NUM=$(MATMUL_GROUP_NUM)
|
MATMUL_FAST_START ?= 1
|
||||||
|
CFLAGS += -O3 -g -DMATMUL_GROUP_NUM=$(MATMUL_GROUP_NUM) -DMATMUL_FAST_START=$(MATMUL_FAST_START)
|
||||||
|
|
||||||
C_SRCS := $(wildcard ./*.c )
|
C_SRCS := $(wildcard ./*.c )
|
||||||
|
|
||||||
@@ -9,6 +10,14 @@ OBJDIR = obj
|
|||||||
COMMON_DIR = ../../bsp
|
COMMON_DIR = ../../bsp
|
||||||
GCC_DIR=../../../toolchains/loongson-gnu-toolchain-8.3-x86_64-loongarch32r-linux-gnusf-v2.0
|
GCC_DIR=../../../toolchains/loongson-gnu-toolchain-8.3-x86_64-loongarch32r-linux-gnusf-v2.0
|
||||||
PICOLIBC_DIR=../../../toolchains/picolibc
|
PICOLIBC_DIR=../../../toolchains/picolibc
|
||||||
|
|
||||||
|
ifeq ($(MATMUL_FAST_START),1)
|
||||||
|
LINKER_SCRIPT := script_matmul_fast.lds
|
||||||
|
BSP_STARTUP := start_matmul_fast.S
|
||||||
|
BSP_USE_TRAP := 0
|
||||||
|
BSP_USE_DRIVERS := 0
|
||||||
|
endif
|
||||||
|
|
||||||
include ../../bsp/common.mk
|
include ../../bsp/common.mk
|
||||||
|
|
||||||
# Strip picolibc: no -lc -lm -lg -lsemihost, keep -lgcc only
|
# Strip picolibc: no -lc -lm -lg -lsemihost, keep -lgcc only
|
||||||
|
|||||||
89
sdk/software/examples/asm/script_matmul_fast.lds
Normal file
89
sdk/software/examples/asm/script_matmul_fast.lds
Normal file
@@ -0,0 +1,89 @@
|
|||||||
|
OUTPUT_ARCH(loongarch)
|
||||||
|
ENTRY(_start)
|
||||||
|
|
||||||
|
MEMORY
|
||||||
|
{
|
||||||
|
isram (rwxai) : ORIGIN = 0x1c000000, LENGTH = 512K
|
||||||
|
dsram (rwxai) : ORIGIN = 0x1c080000, LENGTH = 512K
|
||||||
|
}
|
||||||
|
|
||||||
|
SECTIONS
|
||||||
|
{
|
||||||
|
__stack_size = DEFINED(__stack_size) ? __stack_size : 4K;
|
||||||
|
|
||||||
|
.init :
|
||||||
|
{
|
||||||
|
KEEP(*(SORT_NONE(.init)))
|
||||||
|
} >isram AT>isram
|
||||||
|
|
||||||
|
. = ALIGN(16);
|
||||||
|
.text :
|
||||||
|
{
|
||||||
|
_ftext = .;
|
||||||
|
*(.text.unlikely .text.unlikely.*)
|
||||||
|
*(.text.startup .text.startup.*)
|
||||||
|
*(.text .text.*)
|
||||||
|
*(.gnu.linkonce.t.*)
|
||||||
|
} >isram AT>isram
|
||||||
|
|
||||||
|
. = ALIGN(16);
|
||||||
|
.rodata :
|
||||||
|
{
|
||||||
|
*(.rdata)
|
||||||
|
*(.rodata .rodata.*)
|
||||||
|
*(.gnu.linkonce.r.*)
|
||||||
|
*(.srodata.cst16)
|
||||||
|
*(.srodata.cst8)
|
||||||
|
*(.srodata.cst4)
|
||||||
|
*(.srodata.cst2)
|
||||||
|
*(.srodata .srodata.*)
|
||||||
|
} >isram AT>isram
|
||||||
|
|
||||||
|
. = ALIGN(16);
|
||||||
|
PROVIDE(__etext = .);
|
||||||
|
PROVIDE(_etext = .);
|
||||||
|
PROVIDE(etext = .);
|
||||||
|
PROVIDE(_data_lma = .);
|
||||||
|
|
||||||
|
.data ORIGIN(dsram) :
|
||||||
|
{
|
||||||
|
PROVIDE(_data = .);
|
||||||
|
*(.data .data.*)
|
||||||
|
*(.gnu.linkonce.d.*)
|
||||||
|
. = ALIGN(16);
|
||||||
|
PROVIDE(__global_pointer$ = . + 0x800);
|
||||||
|
*(.sdata .sdata.*)
|
||||||
|
*(.gnu.linkonce.s.*)
|
||||||
|
. = ALIGN(16);
|
||||||
|
PROVIDE(_edata = .);
|
||||||
|
PROVIDE(edata = .);
|
||||||
|
} >dsram AT>isram
|
||||||
|
|
||||||
|
.bss :
|
||||||
|
{
|
||||||
|
PROVIDE(__bss_start = .);
|
||||||
|
*(.sbss*)
|
||||||
|
*(.sbss.*)
|
||||||
|
*(.dynsbss)
|
||||||
|
*(.scommon)
|
||||||
|
*(.bss)
|
||||||
|
*(.bss.*)
|
||||||
|
*(.dynbss)
|
||||||
|
*(.gnu.linkonce.sb.*)
|
||||||
|
*(COMMON)
|
||||||
|
. = ALIGN(16);
|
||||||
|
PROVIDE(_end = .);
|
||||||
|
PROVIDE(end = .);
|
||||||
|
} >dsram AT>dsram
|
||||||
|
|
||||||
|
PROVIDE(__heap_start = _end);
|
||||||
|
|
||||||
|
.stack ORIGIN(dsram) + LENGTH(dsram) - __stack_size :
|
||||||
|
{
|
||||||
|
PROVIDE(_heap_end = .);
|
||||||
|
PROVIDE(__heap_end = _heap_end);
|
||||||
|
PROVIDE(__heap_size = __heap_end - __heap_start);
|
||||||
|
. = __stack_size;
|
||||||
|
PROVIDE(_stack = .);
|
||||||
|
} >dsram AT>dsram
|
||||||
|
}
|
||||||
54
sdk/software/examples/asm/start_matmul_fast.S
Normal file
54
sdk/software/examples/asm/start_matmul_fast.S
Normal file
@@ -0,0 +1,54 @@
|
|||||||
|
#include "regdef.h"
|
||||||
|
|
||||||
|
.section .init
|
||||||
|
.globl _start
|
||||||
|
.type _start, @function
|
||||||
|
|
||||||
|
_start:
|
||||||
|
/* Enable direct mapped windows used by SRAM and uncached peripherals. */
|
||||||
|
li.w t0, 0x8
|
||||||
|
li.w t1, 0x18
|
||||||
|
csrxchg t0, t1, csr_crmd
|
||||||
|
|
||||||
|
csrwr zero, csr_dmw0
|
||||||
|
csrwr zero, csr_dmw1
|
||||||
|
li.w t0, 0x19
|
||||||
|
csrwr t0, csr_dmw0
|
||||||
|
li.w t0, 0xa0000009
|
||||||
|
csrwr t0, csr_dmw1
|
||||||
|
|
||||||
|
li.w t0, 0x10
|
||||||
|
li.w t1, 0x18
|
||||||
|
csrxchg t0, t1, csr_crmd
|
||||||
|
|
||||||
|
/* Polling-only benchmark: keep interrupts disabled. */
|
||||||
|
li.w t0, 0x4
|
||||||
|
csrxchg zero, t0, csr_crmd
|
||||||
|
csrwr zero, csr_prmd
|
||||||
|
csrwr zero, csr_ecfg
|
||||||
|
|
||||||
|
/* UART0 init, 115200 baud with the same divisor selection as BSP start.S. */
|
||||||
|
li.w t0, 0xbf000000
|
||||||
|
li.w t1, 0x07
|
||||||
|
st.b t1, t0, 2
|
||||||
|
li.w t1, 0x80
|
||||||
|
st.b t1, t0, 3
|
||||||
|
st.b zero, t0, 1
|
||||||
|
li.w t2, 0xbf20f500
|
||||||
|
ld.w t2, t2, 0
|
||||||
|
li.w t1, 0x1b
|
||||||
|
beq zero, t2, 1f
|
||||||
|
li.w t1, 0x1
|
||||||
|
1:
|
||||||
|
st.b t1, t0, 0
|
||||||
|
li.w t1, 0x03
|
||||||
|
st.b t1, t0, 3
|
||||||
|
st.b zero, t0, 4
|
||||||
|
|
||||||
|
la.local sp, _stack
|
||||||
|
li.w a0, 0
|
||||||
|
li.w a1, 0
|
||||||
|
bl main
|
||||||
|
|
||||||
|
1:
|
||||||
|
b 1b
|
||||||
@@ -1,42 +1,98 @@
|
|||||||
/**
|
/**
|
||||||
* user-sample - CIC-IEC 2026 Stage 3 Evaluation Program
|
* user-sample - CIC-IEC 2026 Stage 3 Evaluation Program
|
||||||
*
|
*
|
||||||
* Matmul AXI-master path.
|
* Matmul AXI-master path with fast startup and low-overhead UART output.
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <dma.h>
|
#include <dma.h>
|
||||||
|
|
||||||
/* ─── UART 16550 direct access (bypasses slow printf/picolibc) ──────── */
|
|
||||||
#define UART_THR (*(volatile unsigned char *)0xbf000000)
|
#define UART_THR (*(volatile unsigned char *)0xbf000000)
|
||||||
#define UART_LSR (*(volatile unsigned char *)0xbf000005)
|
#define UART_LSR (*(volatile unsigned char *)0xbf000005)
|
||||||
#define LSR_THRE 0x20
|
#define LSR_THRE 0x20
|
||||||
|
|
||||||
static inline void uart_tx(unsigned char c) {
|
static inline void uart_tx(unsigned char c)
|
||||||
while (!(UART_LSR & LSR_THRE)) {}
|
{
|
||||||
|
while ((UART_LSR & LSR_THRE) == 0) {
|
||||||
|
}
|
||||||
UART_THR = c;
|
UART_THR = c;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void uart_puts(const char *s) {
|
static void uart_put_matmul_start_fifo(void)
|
||||||
while (*s) uart_tx(*s++);
|
{
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'A';
|
||||||
|
UART_THR = 'T';
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'U';
|
||||||
|
UART_THR = 'L';
|
||||||
|
UART_THR = '_';
|
||||||
|
UART_THR = 'S';
|
||||||
|
UART_THR = 'T';
|
||||||
|
UART_THR = 'A';
|
||||||
|
UART_THR = 'R';
|
||||||
|
UART_THR = 'T';
|
||||||
}
|
}
|
||||||
|
|
||||||
static void uart_puthex(unsigned int val) {
|
static inline void uart_wait_tx_empty(void)
|
||||||
int i;
|
{
|
||||||
for (i = 28; i >= 0; i -= 4) {
|
while ((UART_LSR & LSR_THRE) == 0) {
|
||||||
unsigned char nibble = (val >> i) & 0xF;
|
|
||||||
uart_tx(nibble < 10 ? '0' + nibble : 'a' + nibble - 10);
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* ─── Configurable group count (default 5000) ──────────────────────── */
|
static inline unsigned char hex_digit(unsigned int val, int shift)
|
||||||
|
{
|
||||||
|
unsigned char nibble = (unsigned char)((val >> shift) & 0xf);
|
||||||
|
|
||||||
|
return (unsigned char)(nibble < 10 ? ('0' + nibble) : ('a' + nibble - 10));
|
||||||
|
}
|
||||||
|
|
||||||
|
static void uart_put_result_fifo(unsigned int crc)
|
||||||
|
{
|
||||||
|
uart_wait_tx_empty();
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'A';
|
||||||
|
UART_THR = 'T';
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'U';
|
||||||
|
UART_THR = 'L';
|
||||||
|
UART_THR = '_';
|
||||||
|
UART_THR = 'C';
|
||||||
|
UART_THR = 'R';
|
||||||
|
UART_THR = 'C';
|
||||||
|
UART_THR = '3';
|
||||||
|
UART_THR = '2';
|
||||||
|
UART_THR = '=';
|
||||||
|
UART_THR = hex_digit(crc, 28);
|
||||||
|
UART_THR = hex_digit(crc, 24);
|
||||||
|
UART_THR = hex_digit(crc, 20);
|
||||||
|
|
||||||
|
uart_wait_tx_empty();
|
||||||
|
UART_THR = hex_digit(crc, 16);
|
||||||
|
UART_THR = hex_digit(crc, 12);
|
||||||
|
UART_THR = hex_digit(crc, 8);
|
||||||
|
UART_THR = hex_digit(crc, 4);
|
||||||
|
UART_THR = hex_digit(crc, 0);
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'A';
|
||||||
|
UART_THR = 'T';
|
||||||
|
UART_THR = 'M';
|
||||||
|
UART_THR = 'U';
|
||||||
|
UART_THR = 'L';
|
||||||
|
UART_THR = '_';
|
||||||
|
UART_THR = 'D';
|
||||||
|
UART_THR = 'O';
|
||||||
|
UART_THR = 'N';
|
||||||
|
UART_THR = 'E';
|
||||||
|
}
|
||||||
|
|
||||||
#ifndef MATMUL_GROUP_NUM
|
#ifndef MATMUL_GROUP_NUM
|
||||||
#define MATMUL_GROUP_NUM 5000
|
#define MATMUL_GROUP_NUM 5000
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
/* ─── BSP globals ─────────────────────────────────────────────────── */
|
#if MATMUL_FAST_START == 0
|
||||||
unsigned long UART_BASE = 0xbf000000;
|
unsigned long UART_BASE = 0xbf000000;
|
||||||
|
#endif
|
||||||
|
|
||||||
/* ─── Memory layout ────────────────────────────────────────────────── */
|
|
||||||
#define EXTRAM_BASE_PHYS 0x1c400000
|
#define EXTRAM_BASE_PHYS 0x1c400000
|
||||||
#define EXTRAM_BASE_UNCACHED (0xA0000000 | (EXTRAM_BASE_PHYS & 0x1FFFFFFF))
|
#define EXTRAM_BASE_UNCACHED (0xA0000000 | (EXTRAM_BASE_PHYS & 0x1FFFFFFF))
|
||||||
|
|
||||||
@@ -44,11 +100,9 @@ unsigned long UART_BASE = 0xbf000000;
|
|||||||
#define DST_BASE_WORDS (SRC_BASE_WORDS + MATMUL_GROUP_NUM * 32)
|
#define DST_BASE_WORDS (SRC_BASE_WORDS + MATMUL_GROUP_NUM * 32)
|
||||||
#define RESULT_WORDS (MATMUL_GROUP_NUM * 48)
|
#define RESULT_WORDS (MATMUL_GROUP_NUM * 48)
|
||||||
|
|
||||||
/* ExtRAM Physical Addresses for DMA */
|
|
||||||
#define EXTRAM_PHYS_AB(g) (EXTRAM_BASE_PHYS + (SRC_BASE_WORDS * 4) + (g) * 128)
|
#define EXTRAM_PHYS_AB(g) (EXTRAM_BASE_PHYS + (SRC_BASE_WORDS * 4) + (g) * 128)
|
||||||
#define EXTRAM_PHYS_C(g) (EXTRAM_BASE_PHYS + (DST_BASE_WORDS * 4) + (g) * 192)
|
#define EXTRAM_PHYS_C(g) (EXTRAM_BASE_PHYS + (DST_BASE_WORDS * 4) + (g) * 192)
|
||||||
|
|
||||||
/* ─── MATMUL IP registers (Ping-Pong Memory Map) ──────────────────── */
|
|
||||||
#define MATMUL_BASE_PHYS 0x1f500000
|
#define MATMUL_BASE_PHYS 0x1f500000
|
||||||
#define MATMUL_BASE_UNCACHED 0xbf500000
|
#define MATMUL_BASE_UNCACHED 0xbf500000
|
||||||
|
|
||||||
@@ -70,24 +124,22 @@ unsigned long UART_BASE = 0xbf000000;
|
|||||||
|
|
||||||
#define MATMUL_CRC (MATMUL_BASE_UNCACHED + 0x010)
|
#define MATMUL_CRC (MATMUL_BASE_UNCACHED + 0x010)
|
||||||
|
|
||||||
/* ─── Pre-computed DMA burst control word ──────────────────────────── */
|
|
||||||
#define DMA_CTRL_VAL (CTRL_BURST_SIZE(2) | CTRL_BURST_LEN(63) | CTRL_START_BIT)
|
#define DMA_CTRL_VAL (CTRL_BURST_SIZE(2) | CTRL_BURST_LEN(63) | CTRL_START_BIT)
|
||||||
#define MATMUL_EP_ID 0
|
#define MATMUL_EP_ID 0
|
||||||
|
|
||||||
/* ═══════════════════════════════════════════════════════════════════ */
|
|
||||||
int main(void)
|
int main(void)
|
||||||
{
|
{
|
||||||
if (MATMUL_GROUP_NUM <= 0) return 0;
|
if (MATMUL_GROUP_NUM <= 0) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
/* ── Hot-path local volatile pointers (one-time addr calc) ──────── */
|
|
||||||
volatile unsigned int *mat_ctrl = (volatile unsigned int *)MATMUL_CTRL;
|
volatile unsigned int *mat_ctrl = (volatile unsigned int *)MATMUL_CTRL;
|
||||||
volatile unsigned int *mat_status = (volatile unsigned int *)MATMUL_STATUS;
|
volatile unsigned int *mat_status = (volatile unsigned int *)MATMUL_STATUS;
|
||||||
volatile unsigned int *mat_crc = (volatile unsigned int *)MATMUL_CRC;
|
volatile unsigned int *mat_crc = (volatile unsigned int *)MATMUL_CRC;
|
||||||
|
|
||||||
unsigned int crc;
|
unsigned int crc;
|
||||||
|
|
||||||
/* ── Start marker (must be first output) ──────────────────── */
|
uart_put_matmul_start_fifo();
|
||||||
uart_puts("MATMUL_START\n");
|
|
||||||
|
|
||||||
*(volatile unsigned int *)MATMUL_CRC = 0;
|
*(volatile unsigned int *)MATMUL_CRC = 0;
|
||||||
*mat_status = STATUS_DMA_DONE | STATUS_DONE | STATUS_ERROR;
|
*mat_status = STATUS_DMA_DONE | STATUS_DONE | STATUS_ERROR;
|
||||||
@@ -100,12 +152,9 @@ int main(void)
|
|||||||
while (!(*mat_status & STATUS_DMA_DONE)) {}
|
while (!(*mat_status & STATUS_DMA_DONE)) {}
|
||||||
*mat_status = STATUS_DMA_DONE;
|
*mat_status = STATUS_DMA_DONE;
|
||||||
|
|
||||||
/* ── Read hardware CRC32 ──────────────────────────────────── */
|
|
||||||
crc = *mat_crc;
|
crc = *mat_crc;
|
||||||
|
|
||||||
uart_puts("MATMUL_CRC32=");
|
uart_put_result_fifo(crc);
|
||||||
uart_puthex(crc);
|
|
||||||
uart_puts("\nMATMUL_DONE\n");
|
|
||||||
|
|
||||||
return 0;
|
return 0;
|
||||||
}
|
}
|
||||||
|
|||||||
Binary file not shown.
Reference in New Issue
Block a user