[PATCH 16/25] efi/libstub: unify the efi_char16_printk implementations

From: Ard Biesheuvel
Date: Tue Dec 24 2019 - 10:12:05 EST


Use a single implementation for efi_char16_printk() across all
architectures.

Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
---
arch/x86/boot/compressed/eboot.c | 7 -------
drivers/firmware/efi/libstub/arm-stub.c | 9 ---------
drivers/firmware/efi/libstub/efi-stub-helper.c | 9 +++++++++
3 files changed, 9 insertions(+), 16 deletions(-)

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 3a7c900b9c66..5fb12827bdc2 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -46,13 +46,6 @@ static void setup_boot_services##bits(struct efi_config *c) \
BOOT_SERVICES(32);
BOOT_SERVICES(64);

-void efi_char16_printk(efi_system_table_t *table, efi_char16_t *str)
-{
- efi_call_proto(efi_simple_text_output_protocol, output_string,
- ((efi_simple_text_output_protocol_t *)(unsigned long)
- efi_early->text_output), str);
-}
-
static efi_status_t
preserve_pci_rom_image(efi_pci_io_protocol_t *pci, struct pci_setup_rom **__rom)
{
diff --git a/drivers/firmware/efi/libstub/arm-stub.c b/drivers/firmware/efi/libstub/arm-stub.c
index 47f072ac3f30..b44b1bd4d480 100644
--- a/drivers/firmware/efi/libstub/arm-stub.c
+++ b/drivers/firmware/efi/libstub/arm-stub.c
@@ -44,15 +44,6 @@ __pure efi_system_table_t *efi_system_table(void)
return sys_table;
}

-void efi_char16_printk(efi_system_table_t *sys_table_arg,
- efi_char16_t *str)
-{
- efi_simple_text_output_protocol_t *out;
-
- out = (efi_simple_text_output_protocol_t *)sys_table_arg->con_out;
- out->output_string(out, str);
-}
-
static struct screen_info *setup_graphics(efi_system_table_t *sys_table_arg)
{
efi_guid_t gop_proto = EFI_GRAPHICS_OUTPUT_PROTOCOL_GUID;
diff --git a/drivers/firmware/efi/libstub/efi-stub-helper.c b/drivers/firmware/efi/libstub/efi-stub-helper.c
index 9bb74ad4b7fe..f74b514789d7 100644
--- a/drivers/firmware/efi/libstub/efi-stub-helper.c
+++ b/drivers/firmware/efi/libstub/efi-stub-helper.c
@@ -955,3 +955,12 @@ void *get_efi_config_table(efi_system_table_t *sys_table, efi_guid_t guid)
}
return NULL;
}
+
+void efi_char16_printk(efi_system_table_t *table, efi_char16_t *str)
+{
+ efi_call_proto(efi_simple_text_output_protocol,
+ output_string,
+ efi_table_attr(efi_system_table, con_out,
+ efi_system_table()),
+ str);
+}
--
2.20.1