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Update mmio kernel to do single gemm

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This commit is contained in:
Hansung Kim
2024-02-01 13:52:29 -08:00
parent 7f6f1d605f
commit 0462a91953
1 changed files with 54 additions and 13 deletions
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67
tests/kernel/gemmini_mmio/main.cpp
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@@ -2,13 +2,11 @@
#include <stdint.h>
#include <vx_intrinsics.h>
#include <vx_print.h>
#include <include/gemmini.h>
#define ADDR_LEN 32
#define XCUSTOM_ACC 3
#define k_MVOUT_SPAD 23
// fence
#define gemmini_fence() asm volatile("fence")
// #define ADDR_LEN 32
// #define XCUSTOM_ACC 3
// #define k_MVOUT_SPAD 23
#define ROCC_INSTRUCTION_RS1_RS2(x, rs1, rs2, funct) { \
/* printf("function %d\n", funct); */ \
@@ -19,17 +17,60 @@
*((volatile uint32_t*) 0xff002000) = instruction; \
}
#define gemmini_extended_mvout_spad(dst_addr, dst_stride, src_addr, cols, rows) \
ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, ((uint64_t)(dst_stride) << 32) | (uint64_t)(dst_addr), ((uint64_t)(rows) << (ADDR_LEN + 16)) | ((uint64_t)(cols) << ADDR_LEN) | (uint64_t)(src_addr), k_MVOUT_SPAD)
// #define gemmini_extended_mvout_spad(dst_addr, dst_stride, src_addr, cols, rows) \
// ROCC_INSTRUCTION_RS1_RS2(XCUSTOM_ACC, ((uint64_t)(dst_stride) << 32) | (uint64_t)(dst_addr), ((uint64_t)(rows) << (ADDR_LEN + 16)) | ((uint64_t)(cols) << ADDR_LEN) | (uint64_t)(src_addr), k_MVOUT_SPAD)
#define gemmini_mvout_spad(dst_addr, src_addr, cols, rows) \
gemmini_extended_mvout_spad(dst_addr, 1, src_addr, cols, rows)
// #define gemmini_mvout_spad(dst_addr, src_addr, cols, rows) \
// gemmini_extended_mvout_spad(dst_addr, 1, src_addr, cols, rows)
int main() {
gemmini_mvout_spad(0xff000000, 0xff000100, 4, 4);
volatile uint64_t *bogus = (uint64_t *)0x00001000;
// volatile uint32_t *ptr_cmd = (volatile uint32_t *)0xff100000;
// *ptr_cmd = 0xdeadbeef;
gemmini_config_ld(0);
gemmini_config_st(0);
gemmini_extended_config_ex(WEIGHT_STATIONARY, 0, 0, 1, 0, 0);
// bogus loop to give slack for MMIO to settle without fences
for (int i = 0; i < 10; i++) {
*bogus = 0xdeadbeef;
}
// load up A and B and C
float *A = (float *)0xff000000;
float *B = (float *)0xff000100;
float *C = (float *)0xff000200;
float *D = (float *)0xff000300;
for (int i = 0; i < DIM; i++) {
for (int j = 0; j < DIM; j++) {
A[i * DIM + j] = 1.0f;
B[i * DIM + j] = 1.0f;
C[i * DIM + j] = 0.0f;
D[i * DIM + j] = 0.0f;
}
}
for (int i = 0; i < 10; i++) {
*bogus = 0xdeadbeef;
}
gemmini_extended_preload(B, C, DIM, DIM, DIM, DIM);
for (int i = 0; i < 10; i++) {
*bogus = 0xdeadbeef;
}
gemmini_extended_compute_preloaded(A, D, DIM, DIM, DIM, DIM);
for (int i = 0; i < 10; i++) {
*bogus = 0xdeadbeef;
}
// gemmini_extended_mvout(0xc0000000, 0xff000000, DIM, DIM);
gemmini_mvout_spad(0x00000000, 0x00000200/*C*/, DIM, DIM);
for (int i = 0; i < 100; i++) {
*bogus = 0xdeadbeef;
}
return 0;
}