diff options
Diffstat (limited to 'resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-romstage-spinlock-option.patch')
-rw-r--r-- | resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-romstage-spinlock-option.patch | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-romstage-spinlock-option.patch b/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-romstage-spinlock-option.patch deleted file mode 100644 index 97b6fa6..0000000 --- a/resources/libreboot/patch/kgpe-d16/0028-src-console-Add-x86-romstage-spinlock-option.patch +++ /dev/null @@ -1,98 +0,0 @@ -From 14dead11fc372b694a24358216b60bdd274d8d21 Mon Sep 17 00:00:00 2001 -From: Timothy Pearson <kb9vqf@pearsoncomputing.net> -Date: Mon, 18 May 2015 16:04:10 -0500 -Subject: [PATCH 028/146] src/console: Add x86 romstage spinlock option - ---- - src/arch/x86/include/arch/smp/spinlock.h | 10 +++++++++- - src/console/printk.c | 19 +++++++++++++++++++ - 2 files changed, 28 insertions(+), 1 deletion(-) - -diff --git a/src/arch/x86/include/arch/smp/spinlock.h b/src/arch/x86/include/arch/smp/spinlock.h -index 32be2f2..a5904c7 100644 ---- a/src/arch/x86/include/arch/smp/spinlock.h -+++ b/src/arch/x86/include/arch/smp/spinlock.h -@@ -1,7 +1,7 @@ - #ifndef ARCH_SMP_SPINLOCK_H - #define ARCH_SMP_SPINLOCK_H - --#ifndef __PRE_RAM__ -+#if !defined(__PRE_RAM__) || defined(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK) - - /* - * Your basic SMP spinlocks, allowing only a single CPU anywhere -@@ -11,9 +11,17 @@ typedef struct { - volatile unsigned int lock; - } spinlock_t; - -+#ifdef __PRE_RAM__ -+spinlock_t* romstage_console_lock(void); -+#endif - - #define SPIN_LOCK_UNLOCKED (spinlock_t) { 1 } -+ -+#ifndef __PRE_RAM__ - #define DECLARE_SPIN_LOCK(x) static spinlock_t x = SPIN_LOCK_UNLOCKED; -+#else -+#define DECLARE_SPIN_LOCK(x) -+#endif - - /* - * Simple spin lock operations. There are two variants, one clears IRQ's -diff --git a/src/console/printk.c b/src/console/printk.c -index aab7ff5..2aae980 100644 ---- a/src/console/printk.c -+++ b/src/console/printk.c -@@ -2,6 +2,7 @@ - * blatantly copied from linux/kernel/printk.c - * - * Copyright (C) 1991, 1992 Linus Torvalds -+ * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering - * - */ - -@@ -13,7 +14,13 @@ - #include <stddef.h> - #include <trace.h> - -+#if defined(CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK) -+#ifndef __PRE_RAM__ - DECLARE_SPIN_LOCK(console_lock) -+#endif -+#else -+DECLARE_SPIN_LOCK(console_lock) -+#endif - - void do_putchar(unsigned char byte) - { -@@ -39,7 +46,13 @@ int do_printk(int msg_level, const char *fmt, ...) - #endif - - DISABLE_TRACE; -+#ifdef __PRE_RAM__ -+#ifdef CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK -+ spin_lock(romstage_console_lock()); -+#endif -+#else - spin_lock(&console_lock); -+#endif - - va_start(args, fmt); - i = vtxprintf(wrap_putchar, fmt, args, NULL); -@@ -47,7 +60,13 @@ int do_printk(int msg_level, const char *fmt, ...) - - console_tx_flush(); - -+#ifdef __PRE_RAM__ -+#ifdef CONFIG_HAVE_ROMSTAGE_CONSOLE_SPINLOCK -+ spin_unlock(romstage_console_lock()); -+#endif -+#else - spin_unlock(&console_lock); -+#endif - ENABLE_TRACE; - - return i; --- -1.7.9.5 - |