From c81310d41ab762e49315f37b0818272e8dce12a2 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 30 Jun 2012 23:56:26 -0300 Subject: Add tasklet_kill * libdde_linux26/lib/src/arch/l4/softirq.c (tasklet_kill): New function. --- libdde_linux26/lib/src/arch/l4/softirq.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'libdde_linux26/lib/src/arch') diff --git a/libdde_linux26/lib/src/arch/l4/softirq.c b/libdde_linux26/lib/src/arch/l4/softirq.c index 247a414f..d93bfaff 100644 --- a/libdde_linux26/lib/src/arch/l4/softirq.c +++ b/libdde_linux26/lib/src/arch/l4/softirq.c @@ -67,6 +67,20 @@ void tasklet_init(struct tasklet_struct *t, t->data = data; } +void tasklet_kill(struct tasklet_struct *t) +{ + if (in_interrupt()) + printk("Attempt to kill tasklet from interrupt\n"); + + while (test_and_set_bit(TASKLET_STATE_SCHED, &t->state)) { + do + yield(); + while (test_bit(TASKLET_STATE_SCHED, &t->state)); + } + tasklet_unlock_wait(t); + clear_bit(TASKLET_STATE_SCHED, &t->state); +} + /* enqueue tasklet */ static void __tasklet_enqueue(struct tasklet_struct *t, struct tasklet_head *listhead) -- cgit v1.2.3 From 5b15bbd5d13327142fdfb4b1e8080960d7e9da2e Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 30 Jun 2012 23:57:00 -0300 Subject: Add param_set/get_charp/bool/invboll * libdde_linux26/lib/src/arch/l4/param.c (param_set_charp, param_get_charp, param_set_bool, param_get_bool, param_set_invbool, param_get_invbool): New functions. --- libdde_linux26/lib/src/arch/l4/param.c | 63 ++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) (limited to 'libdde_linux26/lib/src/arch') diff --git a/libdde_linux26/lib/src/arch/l4/param.c b/libdde_linux26/lib/src/arch/l4/param.c index 5bd83f32..c459428a 100644 --- a/libdde_linux26/lib/src/arch/l4/param.c +++ b/libdde_linux26/lib/src/arch/l4/param.c @@ -26,6 +26,69 @@ STANDARD_PARAM_DEF(uint, unsigned int, "%u", unsigned long, simple_strtoul); STANDARD_PARAM_DEF(long, long, "%li", long, simple_strtol); STANDARD_PARAM_DEF(ulong, unsigned long, "%lu", unsigned long, simple_strtoul); +int param_set_charp(const char *val, struct kernel_param *kp) +{ + if (!val) { + printk(KERN_ERR "%s: string parameter expected\n", + kp->name); + return -EINVAL; + } + + if (strlen(val) > 1024) { + printk(KERN_ERR "%s: string parameter too long\n", + kp->name); + return -ENOSPC; + } + + *(char **)kp->arg = (char *)val; + return 0; +} + +int param_get_charp(char *buffer, struct kernel_param *kp) +{ + return sprintf(buffer, "%s", *((char **)kp->arg)); +} + +int param_set_bool(const char *val, struct kernel_param *kp) +{ + /* No equals means "set"... */ + if (!val) val = "1"; + + /* One of =[yYnN01] */ + switch (val[0]) { + case 'y': case 'Y': case '1': + *(int *)kp->arg = 1; + return 0; + case 'n': case 'N': case '0': + *(int *)kp->arg = 0; + return 0; + } + return -EINVAL; +} + +int param_get_bool(char *buffer, struct kernel_param *kp) +{ + /* Y and N chosen as being relatively non-coder friendly */ + return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'Y' : 'N'); +} + +int param_set_invbool(const char *val, struct kernel_param *kp) +{ + int boolval, ret; + struct kernel_param dummy; + + dummy.arg = &boolval; + ret = param_set_bool(val, &dummy); + if (ret == 0) + *(int *)kp->arg = !boolval; + return ret; +} + +int param_get_invbool(char *buffer, struct kernel_param *kp) +{ + return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'N' : 'Y'); +} + int printk_ratelimit(void) { return 0; -- cgit v1.2.3 From cc1d1c5b3b941ae16a55a54040c674e218afae0f Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sun, 1 Jul 2012 00:35:04 -0300 Subject: Add boot_cpu_data * lib/src/arch/x86/kernel/setup.c: New file * lib/src/Makefile (SRC_C_libdde_linux26.o.a): Add kernel/setup.c --- libdde_linux26/lib/src/Makefile | 1 + libdde_linux26/lib/src/arch/x86/kernel/setup.c | 114 +++++++++++++++++++++++++ 2 files changed, 115 insertions(+) create mode 100644 libdde_linux26/lib/src/arch/x86/kernel/setup.c (limited to 'libdde_linux26/lib/src/arch') diff --git a/libdde_linux26/lib/src/Makefile b/libdde_linux26/lib/src/Makefile index aa20c27d..4f1ec099 100644 --- a/libdde_linux26/lib/src/Makefile +++ b/libdde_linux26/lib/src/Makefile @@ -62,6 +62,7 @@ SRC_S_libdde_linux26.o.a += $(ARCH_DIR)/lib/delay.o SRC_C_libdde_linux26.o.a += lib/rwsem.c SRC_C_libdde_linux26.o.a += $(ARCH_DIR)/kernel/pci-dma.c SRC_C_libdde_linux26.o.a += $(ARCH_DIR)/kernel/pci-nommu.c +SRC_C_libdde_linux26.o.a += $(ARCH_DIR)/kernel/setup.c SRC_S_libdde_linux26_net.a += $(ARCH_DIR)/lib/checksum_32.S endif diff --git a/libdde_linux26/lib/src/arch/x86/kernel/setup.c b/libdde_linux26/lib/src/arch/x86/kernel/setup.c new file mode 100644 index 00000000..ef285c0d --- /dev/null +++ b/libdde_linux26/lib/src/arch/x86/kernel/setup.c @@ -0,0 +1,114 @@ +/* + * Copyright (C) 1995 Linus Torvalds + * + * Support of BIGMEM added by Gerhard Wichert, Siemens AG, July 1999 + * + * Memory region support + * David Parsons , July-August 1999 + * + * Added E820 sanitization routine (removes overlapping memory regions); + * Brian Moyle , February 2001 + * + * Moved CPU detection code to cpu/${cpu}.c + * Patrick Mochel , March 2002 + * + * Provisions for empty E820 memory regions (reported by certain BIOSes). + * Alex Achenbach , December 2002. + * + */ + +/* + * This file handles the architecture-dependent parts of initialization + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include + +#include +#include + +#include