From: Michael Buesch <mb@bu3sch.de>
Date: Sat, 14 Jun 2008 12:57:37 +0000 (+0200)
Subject: Warn on usage of offset register 6. It is broken.
X-Git-Tag: b43-fwcutter-013~43
X-Git-Url: https://jxself.org/git/?p=b43-tools.git;a=commitdiff_plain;h=53b17778d7fa85974e29b13d79c82b1837f4d77a;hp=-c

Warn on usage of offset register 6. It is broken.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
---

53b17778d7fa85974e29b13d79c82b1837f4d77a
diff --git a/assembler/main.c b/assembler/main.c
index 54252da..51de8f7 100644
--- a/assembler/main.c
+++ b/assembler/main.c
@@ -341,8 +341,14 @@ static unsigned int generate_mem_operand(struct assembler_context *ctx,
 			asm_warn(ctx, "INDIRECT memoffset 0x%X too long (> 6 bits)", off);
 			off &= 0x3F;
 		}
-		if (reg & ~0x7)
+		if (reg > 6) {
+			/* Assembler bug. The parser shouldn't pass this value. */
 			asm_error(ctx, "OFFR-nr too big");
+		}
+		if (reg == 6) {
+			asm_warn(ctx, "Using offset register 6. This register is broken "
+				 "on certain devices. Use off0 to off5 only.");
+		}
 		val |= off;
 		val |= (reg << 6);
 		break;