At present each of these has its own static variable and helper functions. Move them into a shared file.
Signed-off-by: Simon Glass sjg@chromium.org ---
(no changes since v1)
include/efi.h | 21 +++++++++++++++++++++ lib/efi/efi.c | 29 +++++++++++++++++++++++++++++ lib/efi/efi_app.c | 21 ++------------------- lib/efi/efi_stub.c | 7 ++++--- 4 files changed, 56 insertions(+), 22 deletions(-)
diff --git a/include/efi.h b/include/efi.h index 6622a733e6e..ca301db7cb5 100644 --- a/include/efi.h +++ b/include/efi.h @@ -474,6 +474,27 @@ extern char _binary_u_boot_bin_start[], _binary_u_boot_bin_end[]; EFI_VARIABLE_TIME_BASED_AUTHENTICATED_WRITE_ACCESS | \ EFI_VARIABLE_APPEND_WRITE)
+/** + * efi_get_priv() - Get access to the EFI-private information + * + * This struct it used by both the stub and the app to record things about the + * EFI environment. It is not available in U-Boot proper after the stub has + * jumped there. Use efi_info_get() to obtain info in that case. + * + * @return pointer to private info + */ +struct efi_priv *efi_get_priv(void); + +/** + * efi_set_priv() - Set up a pointer to the EFI-private information + * + * This is called in the stub and app to record the location of this + * information. + * + * @priv: New location of private data + */ +void efi_set_priv(struct efi_priv *priv); + /** * efi_get_sys_table() - Get access to the main EFI system table * diff --git a/lib/efi/efi.c b/lib/efi/efi.c index 69e52e45748..cd6bf47b180 100644 --- a/lib/efi/efi.c +++ b/lib/efi/efi.c @@ -1,5 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* + * Functions shared by the app and stub + * * Copyright (c) 2015 Google, Inc * * EFI information obtained here: @@ -17,6 +19,33 @@ #include <efi.h> #include <efi_api.h>
+static struct efi_priv *global_priv; + +struct efi_priv *efi_get_priv(void) +{ + return global_priv; +} + +void efi_set_priv(struct efi_priv *priv) +{ + global_priv = priv; +} + +struct efi_system_table *efi_get_sys_table(void) +{ + return global_priv->sys_table; +} + +struct efi_boot_services *efi_get_boot(void) +{ + return global_priv->boot; +} + +unsigned long efi_get_ram_base(void) +{ + return global_priv->ram_base; +} + /* * Global declaration of gd. * diff --git a/lib/efi/efi_app.c b/lib/efi/efi_app.c index e38d46b15db..a0ae2a531ee 100644 --- a/lib/efi/efi_app.c +++ b/lib/efi/efi_app.c @@ -27,23 +27,6 @@
DECLARE_GLOBAL_DATA_PTR;
-static struct efi_priv *global_priv; - -struct efi_system_table *efi_get_sys_table(void) -{ - return global_priv->sys_table; -} - -struct efi_boot_services *efi_get_boot(void) -{ - return global_priv->boot; -} - -unsigned long efi_get_ram_base(void) -{ - return global_priv->ram_base; -} - int efi_info_get(enum efi_entry_t type, void **datap, int *sizep) { return -ENOSYS; @@ -344,7 +327,7 @@ efi_status_t EFIAPI efi_main(efi_handle_t image, /* Set up access to EFI data structures */ efi_init(priv, "App", image, sys_table);
- global_priv = priv; + efi_set_priv(priv);
/* * Set up the EFI debug UART so that printf() works. This is @@ -370,7 +353,7 @@ efi_status_t EFIAPI efi_main(efi_handle_t image,
static void efi_exit(void) { - struct efi_priv *priv = global_priv; + struct efi_priv *priv = efi_get_priv();
free_memory(priv); printf("U-Boot EFI exiting\n"); diff --git a/lib/efi/efi_stub.c b/lib/efi/efi_stub.c index 156cbf0b928..bc4c3a48720 100644 --- a/lib/efi/efi_stub.c +++ b/lib/efi/efi_stub.c @@ -31,7 +31,6 @@ #error "This file needs to be ported for use on architectures" #endif
-static struct efi_priv *global_priv; static bool use_uart;
struct __packed desctab_info { @@ -63,6 +62,8 @@ void _debug_uart_init(void)
void putc(const char ch) { + struct efi_priv *priv = efi_get_priv(); + if (ch == '\n') putc('\r');
@@ -73,7 +74,7 @@ void putc(const char ch) ; outb(ch, (ulong)&com_port->thr); } else { - efi_putc(global_priv, ch); + efi_putc(priv, ch); } }
@@ -313,7 +314,7 @@ efi_status_t EFIAPI efi_main(efi_handle_t image, puts(" efi_init() failed\n"); return ret; } - global_priv = priv; + efi_set_priv(priv);
cs32 = get_codeseg32(); if (cs32 < 0)