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Update matmul fast-start software image

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This commit is contained in:
FallenSigh
2026-07-14 20:43:02 +08:00
parent 0d0c6d0376
commit 459d08fa65
6 changed files with 114 additions and 129 deletions
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2
sdk/software/bsp/env/start.S vendored
View File

@@ -118,7 +118,7 @@ _start:
#WRITE(li.wne,OFS_DIVISOR_LSB, divisor & 0xff);
li.w t3, 0xbf20f500
ld.w t3, t3, 0
li.w t2, 0x1b
li.w t2, 0x20
beq zero, t3, 1f
li.w t2, 0x1
1:

1
sdk/software/examples/asm/Makefile
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@@ -18,6 +18,7 @@ BSP_USE_TRAP := 0
BSP_USE_DRIVERS := 0
endif
LA32RSOC_WINDOWS_HOME?=../../../..
include ../../bsp/common.mk
# Strip picolibc: no -lc -lm -lg -lsemihost, keep -lgcc only

2
sdk/software/examples/asm/start_matmul_fast.S
View File

@@ -36,7 +36,7 @@ _start:
st.b zero, t0, 1
li.w t2, 0xbf20f500
ld.w t2, t2, 0
li.w t1, 0x1b
li.w t1, 0x20
beq zero, t2, 1f
li.w t1, 0x1
1:

4
sdk/software/examples/asm/user-sample.c
View File

@@ -109,7 +109,6 @@ unsigned long UART_BASE = 0xbf000000;
#define MATMUL_DMA_SRC_BASE (MATMUL_BASE_UNCACHED + 0x020)
#define MATMUL_DMA_GROUPS (MATMUL_BASE_UNCACHED + 0x028)
#define MATMUL_DMA_SRC_STRIDE (MATMUL_BASE_UNCACHED + 0x02C)
#define MATMUL_DMA_CYCLES (MATMUL_BASE_UNCACHED + 0x034)
#define CTRL_START_B0 0x1
#define CTRL_START_B1 0x2
@@ -124,8 +123,6 @@ unsigned long UART_BASE = 0xbf000000;
#define DMA_CTRL_VAL (CTRL_BURST_SIZE(2) | CTRL_BURST_LEN(63) | CTRL_START_BIT)
#define MATMUL_EP_ID 0
volatile unsigned int matmul_dma_cycles;
int main(void)
{
if (MATMUL_GROUP_NUM <= 0) {
@@ -148,7 +145,6 @@ int main(void)
*mat_ctrl = CTRL_DMA_START;
uart_put_crc_prefix_fifo();
while (!(*mat_status & STATUS_DMA_DONE)) {}
matmul_dma_cycles = *(volatile unsigned int *)MATMUL_DMA_CYCLES;
*mat_status = STATUS_DMA_DONE;
crc = *mat_crc;