Add platform specific kernel args, use them to pass nat_feat info so at least the kernel can print something from the emulator...

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26596 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/kernel/arch/m68k/arch_kernel_args.h

@@ -39,6 +39,19 @@ typedef struct {
 	// to the Open Firmware.
 //	uint32		num_virtual_ranges_to_keep;
 //	addr_range	virtual_ranges_to_keep[MAX_VIRTUAL_RANGES_TO_KEEP];
+
+	// platform specific
+	union {
+		struct {
+			struct {
+				//XXX: are those meant to be used by physical
+				// or virtual address ?
+				int32 (*nf_get_id)(const char *);
+				int32 (*nf_call)(int32, ...);
+				int32 nf_dprintf_id;
+			} nat_feat;
+		} atari;
+	} plat_args;
 } arch_kernel_args;
 
 #endif	/* KERNEL_ARCH_M68K_KERNEL_ARGS_H */

src/system/boot/platform/atari_m68k/toscalls.c

@@ -4,14 +4,15 @@
  */
 
 
-#include "toscalls.h"
-
 #include <boot/platform.h>
+#include <boot/stage2.h>
 #include <boot/stdio.h>
 #include <stdarg.h>
 
 #include <Errors.h>
 
+#include "toscalls.h"
+
 void *gXHDIEntryPoint = NULL;
 uint32 gXHDIVersion = 0;
 
@@ -203,10 +204,19 @@ init_xhdi(void)
 status_t
 init_nat_features(void)
 {
+	gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_get_id = NULL;
+	gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_call = NULL;
+	gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_dprintf_id = 0;
 	if (nat_features()) {
 		// find debugprintf id
 		gDebugPrintfNatFeatID = nat_feat_getid("DEBUGPRINTF");
-		//
+		// pass native features infos to the kernel
+		gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_get_id =
+			nat_features()->nfGetID;
+		gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_call = 
+			nat_features()->nfCall;
+		gKernelArgs.arch_args.plat_args.atari.nat_feat.nf_dprintf_id =
+			gDebugPrintfNatFeatID;
 	}
 	return nat_features() ? B_OK : ENOENT;
 }