openfirmware: more fixes for 64bit systems.

Gets call-method working for sparc, and fix more places where we
accidentally truncate 64bit values or sign-extend 32 bit ones.

Change-Id: Ic79c55ffa8d2b475858def1639004412f17dd0c1
Reviewed-on: https://review.haiku-os.org/c/haiku/+/1986
Reviewed-by: Alex von Gluck IV <[email protected]>

src/system/boot/platform/openfirmware/devices.cpp

@@ -39,7 +39,7 @@ platform_add_boot_device(struct stage2_args *args, NodeList *devicesList)
 		return B_ENTRY_NOT_FOUND;
 	printf("boot path = \"%s\"\n", sBootPath);
 
-	int node = of_finddevice(sBootPath);
+	intptr_t node = of_finddevice(sBootPath);
 	if (node != OF_FAILED) {
 		char type[16];
 		of_getprop(node, "device_type", type, sizeof(type));
@@ -65,7 +65,7 @@ platform_add_boot_device(struct stage2_args *args, NodeList *devicesList)
 				}
 			}
 			if (bootAddress == 0) {
-				int package = of_finddevice("/options");
+				intptr_t package = of_finddevice("/options");
 				char defaultServerIP[16];
 				int bytesRead = of_getprop(package, "default-server-ip",
 					defaultServerIP, sizeof(defaultServerIP) - 1);

src/system/boot/platform/openfirmware/network.cpp

@@ -44,7 +44,7 @@ public:
 	virtual ssize_t Receive(void *buffer, size_t size);
 
 private:
-	int			fHandle;
+	intptr_t	fHandle;
 	mac_addr_t	fMACAddress;
 };
 
@@ -109,7 +109,7 @@ OFEthernetInterface::Init(const char *device, const char *parameters)
 		return B_ERROR;
 	}
 
-	int package = of_instance_to_package(fHandle);
+	intptr_t package = of_instance_to_package(fHandle);
 
 	// get MAC address
 	int bytesRead = of_getprop(package, "local-mac-address", &fMACAddress,
@@ -250,7 +250,7 @@ platform_net_stack_init()
 		*parameters = '\0';
 
 	// get device node
-	int node = of_finddevice(bootPath);
+	intptr_t node = of_finddevice(bootPath);
 	if (node == OF_FAILED)
 		return B_ERROR;
 

src/system/boot/platform/openfirmware/video.cpp

@@ -115,7 +115,7 @@ platform_init_video(void)
 {
 	gKernelArgs.frame_buffer.enabled = false;
 
-	int screen = of_finddevice("screen");
+	intptr_t screen = of_finddevice("screen");
 	if (screen == OF_FAILED)
 		return B_NO_INIT;
 	edid1_raw edidRaw;

src/system/kernel/platform/openfirmware/openfirmware.cpp

@@ -122,7 +122,7 @@ of_interpret(const char *command, intptr_t numArgs, intptr_t numReturns, ...)
 
 
 intptr_t
-of_call_method(intptr_t handle, const char *method, intptr_t numArgs,
+of_call_method(uint32_t handle, const char *method, intptr_t numArgs,
 	intptr_t numReturns, ...)
 {
 	struct {