将mstStartup和slvStartup代码合二为一；增加mtime的驱动代码

2025-02-13 22:46:21 +08:00
parent 8c3c0112fb
commit a9f741deca
9 changed files with 346 additions and 361 deletions
--- a/tb/sw/src/mstStartup.S
+++ b/tb/sw/src/mstStartup.S
@@ -1,173 +1 @@
-#include "tl2cdr.h"
-
-.extern main
-
-.extern int_svr_code
-.extern plic_claim
-.extern isr_flag
-
-#ifdef __riscv_i
-.extern plic_handle
-#endif
-
-.globl _prog_start
-.section .text.init
-
-
-_prog_start:
-	li x1,  0
-	li x2,  0
-	li x3,  0
-	li x4,  0
-	li x5,  0
-	li x6,  0
-	li x7,  0
-	li x8,  0
-	li x9,  0
-	li x10, 0
-	li x11, 0
-	li x12, 0
-	li x13, 0
-	li x14, 0
-	li x15, 0
-#ifdef __riscv_i
-	li x16, 0
-	li x17, 0
-	li x18, 0
-	li x19, 0
-	li x20, 0
-	li x21, 0
-	li x22, 0
-	li x23, 0
-	li x24, 0
-	li x25, 0
-	li x26, 0
-	li x27, 0
-	li x28, 0
-	li x29, 0
-	li x30, 0
-	li x31, 0
-#endif
-
-	li sp, 0x40011000
-
-#ifdef __riscv_i
-	la t0, trap_entry
-#else
-	li 	a0, 0
-
-	lui    t0, %hi(plic_claim)
-	lw 	a1, %lo(plic_claim)(t0)
-
-       la     a2, isr_flag
-
-	call int_svr_code
-	mv t0, a0					#这里选择不同的trap_entry服务函数,这个是RV32I的代码
-#endif
-	csrw mtvec, t0
-	li t0, 1 << 11
-	csrw mie, t0
-
-	csrr t0, mstatus
-	ori t0, t0, 1<<3
-	csrw mstatus, t0
-
-	call main
-
-	ecall
-
-#ifdef __riscv_i
-	.balign 32
-trap_entry:
-#.macro define_const name, value
-#    .equ \name, \value
-#.endm
-## 使用宏定义常量
-#define_const CDR_INT_TXEND,   14
-opt_trap_entry:
-
-       addi   sp,sp,136
-
-       #sw     ra,4(sp)
-       #sw     sp,8(sp)
-       #sw     gp,12(sp)
-       #sw     tp,16(sp)
-
-       sw     t0,20(sp)
-       sw     t1,24(sp)
-       #sw     t2,28(sp)
-       sw     s0,32(sp)
-       sw     s1,36(sp)
-
-       #sw     a0,40(sp)
-       #sw     a1,44(sp)
-       #sw     a2,48(sp)
-       #sw     a3,52(sp)
-       #sw     a4,56(sp)
-       #sw     a5,60(sp)
-       #sw     a6,64(sp)
-       #sw     a7,68(sp)
-       #sw     s2,72(sp)
-       #sw     s3,76(sp)
-       #sw     s4,80(sp)
-       #sw     s5,84(sp)
-       #sw     s6,88(sp)
-       #sw     s7,92(sp)
-       #sw     s8,96(sp)
-       #sw     s9,100(sp)
-       #sw     s10,104(sp)
-       #sw     s11,108(sp)
-       #sw     t3,112(sp)
-       #sw     t4,116(sp)
-       #sw     t5,120(sp)
-       #sw     t6,124(sp)
-
-       lui    t1, %hi(plic_claim)             
-       lw     t0, %lo(plic_claim)(t1) # t0 = &plic_claim
-
-       lw     t1, 0(t0)                           # t1 = *plic_claim
-       sw     t1, 0(t0)                           # *plic_claim = t1
-
-       slli   s0, t1, 2
-       la     s1, isr_flag
-       add    s1, s1, s0
-       li     t0, 1
-       sw     t0, 0(s1)
-
-       #lw     ra,4(sp)
-       #lw     sp,8(sp)
-       #lw     gp,12(sp)
-       #lw     tp,16(sp)
-       
-       lw     t0,20(sp)
-       lw     t1,24(sp)
-       #lw     t2,28(sp)
-       lw     s0,32(sp)
-       lw     s1,36(sp)
-
-       #lw     a0,40(sp)
-       #lw     a1,44(sp)
-       #lw     a2,48(sp)
-       #lw     a3,52(sp)
-       #lw     a4,56(sp)
-       #lw     a5,60(sp)
-       #lw     a6,64(sp)
-       #lw     a7,68(sp)
-       #lw     s2,72(sp)
-       #lw     s3,76(sp)
-       #lw     s4,80(sp)
-       #lw     s5,84(sp)
-       #lw     s6,88(sp)
-       #lw     s7,92(sp)
-       #lw     s8,96(sp)
-       #lw     s9,100(sp)
-       #lw     s10,104(sp)
-       #lw     s11,108(sp)
-       #lw     t3,112(sp)
-       #lw     t4,116(sp)
-       #lw     t5,120(sp)
-       #lw     t6,124(sp)
-
-       addi   sp,sp,136
-       mret
-#endif
+#include "startup.S"