拆分主站从站软件

2024-10-29 11:21:04 +08:00
parent 8068a31e77
commit 683b6cad92
7 changed files with 268 additions and 44 deletions
--- a/tb/sw/src/startup.S
+++ b/tb/sw/src/startup.S
@@ -1,54 +0,0 @@
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-#include "custom_ops.S"
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-.extern main
-.globl _prog_start
-.section .text.init
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-_prog_start:
-	li x15, 0
-	picorv32_maskirq_insn(zero, zero)
-	call main
-
-	li gp, 1;
-	ecall
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-.balign 32
-.section .trap_entry, "ax", %progbits
-trap_entry:
-	# q0 return address
-	# q1 bitmask of all IRQ to be handled, may be more than one IRQ 
-	# q2 q3 unused, can be use as temp storage register
-
-	# q寄存器已经禁用， Without the q-registers, the irq return address will be stored in x3 (gp) and the IRQ bitmask in x4 (tp),
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-	addi x15, x4, 0
-
-	picorv32_retirq_insn()
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-