[PATCH 2/4] efi-payload: use handoff data to pass data to barebox proper

[Sascha Hauer]

EFI payload uses custom fields in struct boarddata to pass data from PBL
to barebox proper. handoff data was created for exactly this purpose.
Now that we have it, switch EFI payload over to use it.

Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 efi/payload/boarddata.c    | 12 +++++++-----
 efi/payload/entry-multi.c  | 16 +++++++---------
 include/boarddata.h        |  4 ----
 include/efi/efi-payload.h  |  5 +++++
 include/pbl/handoff-data.h |  1 +
 5 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/efi/payload/boarddata.c b/efi/payload/boarddata.c
index 3260e31c7b..d4e4b5ac1d 100644
--- a/efi/payload/boarddata.c
+++ b/efi/payload/boarddata.c
@@ -8,25 +8,27 @@
 
 #include <efi/efi-payload.h>
 #include <efi.h>
-#include <boarddata.h>
 #include <memory.h>
 #include <linux/kernel.h>
 #include <linux/printk.h>
 #include <debug_ll.h>
 #include <init.h>
+#include <pbl/handoff-data.h>
 
 static int handle_efi_boarddata(void)
 {
-	const struct barebox_boarddata *bd = barebox_get_boarddata();
+	size_t size;
+	struct barebox_efi_data *efidata;
 	efi_status_t efiret;
 
-	if (!barebox_boarddata_is_machine(bd, BAREBOX_MACH_TYPE_EFI))
+	efidata = handoff_data_get_entry(HANDOFF_DATA_EFI, &size);
+	if (!efidata)
 		return 0;
 
 	barebox_add_memory_bank("ram0", mem_malloc_start(), mem_malloc_size());
 
-	efi_parent_image = bd->image;
-	efi_sys_table = bd->sys_table;
+	efi_parent_image = efidata->image;
+	efi_sys_table = efidata->sys_table;
 	BS = efi_sys_table->boottime;
 	RT = efi_sys_table->runtime;
 
diff --git a/efi/payload/entry-multi.c b/efi/payload/entry-multi.c
index f929ab01ec..26cf2ebfa7 100644
--- a/efi/payload/entry-multi.c
+++ b/efi/payload/entry-multi.c
@@ -3,18 +3,13 @@
 #include <linux/kernel.h>
 #include <linux/linkage.h>
 #include <linux/sizes.h>
-#include <boarddata.h>
 #include <stdio.h>
 #include <efi.h>
 #include <asm/common.h>
 #include <efi/efi-util.h>
 #include <efi/efi-payload.h>
 #include <pbl.h>
-
-static struct barebox_boarddata boarddata = {
-	.magic = BAREBOX_BOARDDATA_MAGIC,
-	.machine = BAREBOX_MACH_TYPE_EFI,
-};
+#include <pbl/handoff-data.h>
 
 asmlinkage void __efistub_efi_pe_entry(void *image, struct efi_system_table *sys_table);
 
@@ -30,16 +25,19 @@ void __efistub_efi_pe_entry(void *image, struct efi_system_table *sys_table)
 {
 	size_t memsize;
 	efi_physical_addr_t mem;
+	static struct barebox_efi_data efidata;
 
 #ifdef DEBUG
 	sys_table->con_out->output_string(sys_table->con_out, L"\nbarebox\n");
 #endif
 	pbl_set_putc(efi_putc, sys_table);
 
-	boarddata.image = image;
-	boarddata.sys_table = sys_table;
+	efidata.image = image;
+	efidata.sys_table = sys_table;
+
+	handoff_data_add(HANDOFF_DATA_EFI, &efidata, sizeof(efidata));
 
 	mem = efi_earlymem_alloc(sys_table, &memsize);
 
-	barebox_pbl_entry(mem, memsize, &boarddata);
+	barebox_pbl_entry(mem, memsize, NULL);
 }
diff --git a/include/boarddata.h b/include/boarddata.h
index 8c048fd957..6092d5f304 100644
--- a/include/boarddata.h
+++ b/include/boarddata.h
@@ -15,10 +15,6 @@ struct barebox_boarddata {
 		      * that do not potientially clashes with registered machines,
 		      * i.e. use a number > 0x10000.
 		      */
-#ifdef CONFIG_EFI_STUB
-	void *image;
-	void *sys_table;
-#endif
 };
 
 /*
diff --git a/include/efi/efi-payload.h b/include/efi/efi-payload.h
index 774c069229..73b1b9bd8e 100644
--- a/include/efi/efi-payload.h
+++ b/include/efi/efi-payload.h
@@ -8,6 +8,11 @@
 struct efi_system_table;
 struct efi_loaded_image;
 
+struct barebox_efi_data {
+	void *image;
+	void *sys_table;
+};
+
 extern struct efi_system_table *efi_sys_table;
 extern efi_handle_t efi_parent_image;
 extern struct efi_device_path *efi_device_path;
diff --git a/include/pbl/handoff-data.h b/include/pbl/handoff-data.h
index 18ea9e508b..044b4bb884 100644
--- a/include/pbl/handoff-data.h
+++ b/include/pbl/handoff-data.h
@@ -12,6 +12,7 @@ struct handoff_data {
 #define HANDOFF_DATA_INTERNAL_DT_Z	HANDOFF_DATA_BAREBOX(1)
 #define HANDOFF_DATA_EXTERNAL_DT	HANDOFF_DATA_BAREBOX(2)
 #define HANDOFF_DATA_BOARDDATA		HANDOFF_DATA_BAREBOX(3)
+#define HANDOFF_DATA_EFI		HANDOFF_DATA_BAREBOX(4)
 
 #define HANDOFF_DATA_BOARD(n)		(0x951726fb + (n))
 
-- 
2.39.2