1 files changed, 0 insertions, 140 deletions
diff --git a/picorv32/firmware/irq.c b/picorv32/firmware/irq.c
deleted file mode 100644
index 9fc1735..0000000
--- a/picorv32/firmware/irq.c
+++ /dev/null
@@ -1,140 +0,0 @@
-// This is free and unencumbered software released into the public domain.
-//
-// Anyone is free to copy, modify, publish, use, compile, sell, or
-// distribute this software, either in source code form or as a compiled
-// binary, for any purpose, commercial or non-commercial, and by any
-// means.
-
-#include "firmware.h"
-
-uint32_t *irq(uint32_t *regs, uint32_t irqs)
-{
-	static unsigned int ext_irq_4_count = 0;
-	static unsigned int ext_irq_5_count = 0;
-	static unsigned int timer_irq_count = 0;
-
-	// checking compressed isa q0 reg handling
-	if ((irqs & 6) != 0) {
-		uint32_t pc = (regs[0] & 1) ? regs[0] - 3 : regs[0] - 4;
-		uint32_t instr = *(uint16_t*)pc;
-
-		if ((instr & 3) == 3)
-			instr = instr | (*(uint16_t*)(pc + 2)) << 16;
-
-		if (((instr & 3) != 3) != (regs[0] & 1)) {
-			print_str("Mismatch between q0 LSB and decoded instruction word! q0=0x");
-			print_hex(regs[0], 8);
-			print_str(", instr=0x");
-			if ((instr & 3) == 3)
-				print_hex(instr, 8);
-			else
-				print_hex(instr, 4);
-			print_str("\n");
-			__asm__ volatile ("ebreak");
-		}
-	}
-
-	if ((irqs & (1<<4)) != 0) {
-		ext_irq_4_count++;
-		// print_str("[EXT-IRQ-4]");
-	}
-
-	if ((irqs & (1<<5)) != 0) {
-		ext_irq_5_count++;
-		// print_str("[EXT-IRQ-5]");
-	}
-
-	if ((irqs & 1) != 0) {
-		timer_irq_count++;
-		// print_str("[TIMER-IRQ]");
-	}
-
-	if ((irqs & 6) != 0)
-	{
-		uint32_t pc = (regs[0] & 1) ? regs[0] - 3 : regs[0] - 4;
-		uint32_t instr = *(uint16_t*)pc;
-
-		if ((instr & 3) == 3)
-			instr = instr | (*(uint16_t*)(pc + 2)) << 16;
-
-		print_str("\n");
-		print_str("------------------------------------------------------------\n");
-
-		if ((irqs & 2) != 0) {
-			if (instr == 0x00100073 || instr == 0x9002) {
-				print_str("EBREAK instruction at 0x");
-				print_hex(pc, 8);
-				print_str("\n");
-			} else {
-				print_str("Illegal Instruction at 0x");
-				print_hex(pc, 8);
-				print_str(": 0x");
-				print_hex(instr, ((instr & 3) == 3) ? 8 : 4);
-				print_str("\n");
-			}
-		}
-
-		if ((irqs & 4) != 0) {
-			print_str("Bus error in Instruction at 0x");
-			print_hex(pc, 8);
-			print_str(": 0x");
-			print_hex(instr, ((instr & 3) == 3) ? 8 : 4);
-			print_str("\n");
-		}
-
-		for (int i = 0; i < 8; i++)
-		for (int k = 0; k < 4; k++)
-		{
-			int r = i + k*8;
-
-			if (r == 0) {
-				print_str("pc  ");
-			} else
-			if (r < 10) {
-				print_chr('x');
-				print_chr('0' + r);
-				print_chr(' ');
-				print_chr(' ');
-			} else
-			if (r < 20) {
-				print_chr('x');
-				print_chr('1');
-				print_chr('0' + r - 10);
-				print_chr(' ');
-			} else
-			if (r < 30) {
-				print_chr('x');
-				print_chr('2');
-				print_chr('0' + r - 20);
-				print_chr(' ');
-			} else {
-				print_chr('x');
-				print_chr('3');
-				print_chr('0' + r - 30);
-				print_chr(' ');
-			}
-
-			print_hex(regs[r], 8);
-			print_str(k == 3 ? "\n" : "    ");
-		}
-
-		print_str("------------------------------------------------------------\n");
-
-		print_str("Number of fast external IRQs counted: ");
-		print_dec(ext_irq_4_count);
-		print_str("\n");
-
-		print_str("Number of slow external IRQs counted: ");
-		print_dec(ext_irq_5_count);
-		print_str("\n");
-
-		print_str("Number of timer IRQs counted: ");
-		print_dec(timer_irq_count);
-		print_str("\n");
-
-		__asm__ volatile ("ebreak");
-	}
-
-	return regs;
-}
-