Turned gcc warnings up to eleven

Patch by Larry Doolittle

5 files changed, 11 insertions, 11 deletions

diff --git a/firmware/firmware.h b/firmware/firmware.h
index f243f31..ce5e321 100644
--- a/firmware/firmware.h
+++ b/firmware/firmware.h
@@ -21,16 +21,16 @@ void print_dec(unsigned int val);
 void print_hex(unsigned int val);
 
 // sieve.c
-void sieve();
+void sieve(void);
 
 // multest.c
 uint32_t hard_mul(uint32_t a, uint32_t b);
 uint32_t hard_mulh(uint32_t a, uint32_t b);
 uint32_t hard_mulhsu(uint32_t a, uint32_t b);
 uint32_t hard_mulhu(uint32_t a, uint32_t b);
-void multest();
+void multest(void);
 
 // stats.c
-void stats();
+void stats(void);
 
 #endif
diff --git a/firmware/irq.c b/firmware/irq.c
index 2d76b1a..2dff1b0 100644
--- a/firmware/irq.c
+++ b/firmware/irq.c
@@ -109,7 +109,7 @@ uint32_t *irq(uint32_t *regs, uint32_t irqs)
 		print_dec(timer_irq_count);
 		print_str("\n");
 
-		__asm__("sbreak");
+		__asm__ volatile ("sbreak");
 	}
 
 	return regs;
diff --git a/firmware/multest.c b/firmware/multest.c
index 508ed36..c6323ec 100644
--- a/firmware/multest.c
+++ b/firmware/multest.c
@@ -7,7 +7,7 @@
 
 #include "firmware.h"
 
-uint32_t xorshift32() {
+static uint32_t xorshift32(void) {
 	static uint32_t x = 314159265;
 	x ^= x << 13;
 	x ^= x >> 17;
@@ -15,7 +15,7 @@ uint32_t xorshift32() {
 	return x;
 }
 
-void multest()
+void multest(void)
 {
 	int i;
 	for (i = 0; i < 10; i++)
@@ -76,7 +76,7 @@ void multest()
 
 		if (s_mul != h_mul || s_mulh != h_mulh || s_mulhsu != h_mulhsu || s_mulhu != h_mulhu) {
 			print_str("ERROR!\n");
-			asm volatile ("sbreak");
+			__asm__ volatile ("sbreak");
 			return;
 		}
 
diff --git a/firmware/sieve.c b/firmware/sieve.c
index 73550c8..20a45d8 100644
--- a/firmware/sieve.c
+++ b/firmware/sieve.c
@@ -52,7 +52,7 @@ static void print_prime(int idx, int val)
 	hash = mkhash(hash, val);
 }
 
-void sieve()
+void sieve(void)
 {
 	int i, j, k;
 	int idx = 1;
@@ -79,7 +79,7 @@ void sieve()
 		print_str(" OK\n");
 	} else {
 		print_str(" ERROR\n");
-		asm volatile ("sbreak");
+		__asm__ volatile ("sbreak");
 	}
 }
 
diff --git a/firmware/stats.c b/firmware/stats.c
index e0b6f6a..4a06751 100644
--- a/firmware/stats.c
+++ b/firmware/stats.c
@@ -25,10 +25,10 @@ static void stats_print_dec(unsigned int val, int digits, bool zero_pad)
 	}
 }
 
-void stats()
+void stats(void)
 {
 	unsigned int num_cycles, num_instr;
-	asm("rdcycle %0; rdinstret %1;" : "=r"(num_cycles), "=r"(num_instr));
+	__asm__("rdcycle %0; rdinstret %1;" : "=r"(num_cycles), "=r"(num_instr));
 	print_str("Cycle counter ........");
 	stats_print_dec(num_cycles, 8, false);
 	print_str("\nInstruction counter ..");