X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=assembler%2Fmain.c;h=b262276d2ee800305d6a192b42fd1e73b80cfdb3;hb=caac2299fff40df153b35b0d02f5561e207dbdbb;hp=c4cad33827a190228e5adc34f8eb86bd0d9cbab1;hpb=88eca946bfdcb1ec27b2bae849152bc2a7b6872a;p=b43-tools.git

diff --git a/assembler/main.c b/assembler/main.c
index c4cad33..b262276 100644
--- a/assembler/main.c
+++ b/assembler/main.c
@@ -1,5 +1,5 @@
 /*
- *   Copyright (C) 2006-2007  Michael Buesch <mb@bu3sch.de>
+ *   Copyright (C) 2006-2010  Michael Buesch <mb@bu3sch.de>
  *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of the GNU General Public License version 2
@@ -117,6 +117,7 @@ static void eval_directives(struct assembler_context *ctx)
 	struct label *l;
 	int have_start_label = 0;
 	int have_arch = 0;
+	unsigned int arch_fallback = 0;
 
 	for_each_statement(ctx, s) {
 		if (s->type == STMT_ASMDIR) {
@@ -126,6 +127,17 @@ static void eval_directives(struct assembler_context *ctx)
 				if (have_arch)
 					asm_error(ctx, "Multiple %%arch definitions");
 				ctx->arch = ad->u.arch;
+				if (ctx->arch > 5 && ctx->arch < 15)
+					arch_fallback = 5;
+				if (ctx->arch > 15)
+					arch_fallback = 15;
+				if (arch_fallback) {
+					asm_warn(ctx, "Using %%arch %d is incorrect. "
+						 "The wireless core revision %d uses the "
+						 "firmware architecture %d. So use %%arch %d",
+						 ctx->arch, ctx->arch, arch_fallback, arch_fallback);
+					ctx->arch = arch_fallback;
+				}
 				if (ctx->arch != 5 && ctx->arch != 15) {
 					asm_error(ctx, "Architecture version %u unsupported",
 						  ctx->arch);
@@ -470,6 +482,27 @@ static struct code_output * do_assemble_insn(struct assembler_context *ctx,
 	return out;
 }
 
+static void do_assemble_ret(struct assembler_context *ctx,
+			    struct instruction *insn,
+			    unsigned int opcode)
+{
+	struct code_output *out;
+
+	/* Get the previous instruction and check whether it
+	 * is a jump instruction. */
+	list_for_each_entry_reverse(out, &ctx->output, list) {
+		/* Search the last insn. */
+		if (out->type == OUT_INSN) {
+			if (out->is_jump_insn) {
+				asm_warn(ctx, "RET instruction directly after "
+					 "jump instruction. The hardware won't like this.");
+			}
+			break;
+		}
+	}
+	do_assemble_insn(ctx, insn, opcode);
+}
+
 static unsigned int merge_ext_into_opcode(struct assembler_context *ctx,
 					  unsigned int opbase,
 					  struct instruction *insn)
@@ -843,22 +876,24 @@ static void assemble_instruction(struct assembler_context *ctx,
 		out->is_jump_insn = 1;
 		break;
 	case OP_CALL:
+		if (ctx->arch != 5)
+			asm_error(ctx, "'call' instruction is only supported on arch 5");
 		do_assemble_insn(ctx, insn, 0x002);
 		break;
+	case OP_CALLS:
+		if (ctx->arch != 15)
+			asm_error(ctx, "'calls' instruction is only supported on arch 15");
+		do_assemble_insn(ctx, insn, 0x004);
+		break;
 	case OP_RET:
-		/* Get the previous instruction and check whether it
-		 * is a jump instruction. */
-		list_for_each_entry_reverse(out, &ctx->output, list) {
-			/* Search the last insn. */
-			if (out->type == OUT_INSN) {
-				if (out->is_jump_insn) {
-					asm_warn(ctx, "RET instruction directly after "
-						 "jump instruction. The hardware won't like this.");
-				}
-				break;
-			}
-		}
-		do_assemble_insn(ctx, insn, 0x003);
+		if (ctx->arch != 5)
+			asm_error(ctx, "'ret' instruction is only supported on arch 5");
+		do_assemble_ret(ctx, insn, 0x003);
+		break;
+	case OP_RETS:
+		if (ctx->arch != 15)
+			asm_error(ctx, "'rets' instruction is only supported on arch 15");
+		do_assemble_insn(ctx, insn, 0x005);
 		break;
 	case OP_TKIPH:
 	case OP_TKIPHS: