合并bacon_dev分支的修改:1.协议基本运转;2.增加make debug_hlm

tb/sw/src/startup.S

@@ -1,4 +1,5 @@
 #include "tl2cdr.h"
+#include "system_cfg.h"
 
 .extern main
 
@@ -50,7 +51,10 @@ _prog_start:
 	li x31, 0
 #endif
 
-	li sp, 0x40011000
+	//li sp, 0x40011000
+       li t0, STACK_SIZE
+       la sp, sys_stack
+       add sp, sp, t0
 
 #ifdef __riscv_i
 	la t0, trap_entry
@@ -66,7 +70,7 @@ _prog_start:
 	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
+	li t0, (1 << 11) //| (1 << 13) //13bit是rocc的中断
 	csrw mie, t0
 
 	csrr t0, mstatus
@@ -124,8 +128,9 @@ opt_trap_entry:
        #sw     t6,124(sp)
        
        csrr   t2, mcause
-       li     s0, 0x80000000
-       and    s0, t2, s0
+       //li     s0, 0x80000000
+       //and    s0, t2, s0
+       srli   s0, t2, 31
 1:     beqz   s0, 1b               #这个是异常,死循环查问题吧
        andi   s0, t2, 0xf
        la     t2, isr_j_table
@@ -161,6 +166,10 @@ exti_isr:
        #lw     sp,8(sp)
        #lw     gp,12(sp)
        #lw     tp,16(sp)
+rocc_isr:
+       //add rocc interrupt here
+       i_hlm_read_intflag(t0)
+       i_hlm_clear_intflag(t0)
 
 exit_isr:       
        lw     t0,20(sp)
@@ -209,7 +218,7 @@ isr_j_table:
 1:     j      1b  # a jump to unknown_isr
        j      exti_isr   # b jump to exti_isr
 1:     j      1b  # c jump to unknown_isr
-1:     j      1b  # d jump to unknown_isr
+       j      rocc_isr  # d jump to unknown_isr
 1:     j      1b  # e jump to unknown_isr
 1:     j      1b  # f jump to unknown_isr
 #endif