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0e3776d9de
openwrt-xburst/target/linux/aruba-2.6/patches/000-aruba.patch
kaloz 0e3776d9de cleanup patch 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7326 3c298f89-4303-0410-b956-a3cf2f4a3e73
2007-05-24 08:17:03 +00:00

842 lines
28 KiB
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Raw Blame History

diff -Nur linux-2.6.21.1/arch/mips/Kconfig linux-2.6.21.1-owrt/arch/mips/Kconfig
--- linux-2.6.21.1/arch/mips/Kconfig 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/arch/mips/Kconfig 2007-05-23 23:34:01.000000000 +0200
@@ -220,6 +220,17 @@
<http://www.marvell.com/>. Say Y here if you wish to build a
kernel for this platform.
+config MACH_ARUBA
+ bool "Support for the ARUBA product line"
+ select DMA_NONCOHERENT
+ select CPU_HAS_PREFETCH
+ select HW_HAS_PCI
+ select SWAP_IO_SPACE
+ select SYS_SUPPORTS_32BIT_KERNEL
+ select SYS_HAS_CPU_MIPS32_R1
+ select SYS_SUPPORTS_BIG_ENDIAN
+
+
config MACH_JAZZ
bool "Jazz family of machines"
select ARC
diff -Nur linux-2.6.21.1/arch/mips/Makefile linux-2.6.21.1-owrt/arch/mips/Makefile
--- linux-2.6.21.1/arch/mips/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/arch/mips/Makefile 2007-05-23 23:34:01.000000000 +0200
@@ -158,6 +158,14 @@
#
#
+# Aruba
+#
+
+core-$(CONFIG_MACH_ARUBA) += arch/mips/aruba/
+cflags-$(CONFIG_MACH_ARUBA) += -Iinclude/asm-mips/aruba
+load-$(CONFIG_MACH_ARUBA) += 0x80100000
+
+#
# Acer PICA 61, Mips Magnum 4000 and Olivetti M700.
#
core-$(CONFIG_MACH_JAZZ) += arch/mips/jazz/
diff -Nur linux-2.6.21.1/arch/mips/pci/Makefile linux-2.6.21.1-owrt/arch/mips/pci/Makefile
--- linux-2.6.21.1/arch/mips/pci/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/arch/mips/pci/Makefile 2007-05-23 23:36:48.000000000 +0200
@@ -53,3 +53,4 @@
obj-$(CONFIG_VICTOR_MPC30X) += fixup-mpc30x.o
obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
+obj-$(CONFIG_MACH_ARUBA) += fixup-aruba.o ops-aruba.o pci-aruba.o
diff -Nur linux-2.6.21.1/drivers/char/watchdog/Makefile linux-2.6.21.1-owrt/drivers/char/watchdog/Makefile
--- linux-2.6.21.1/drivers/char/watchdog/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/char/watchdog/Makefile 2007-05-23 23:36:53.000000000 +0200
@@ -82,5 +82,8 @@
# SPARC64 Architecture
+# Aruba Architecture
+obj-$(CONFIG_MACH_ARUBA) += wdt_merlot.o
+
# Architecture Independant
obj-$(CONFIG_SOFT_WATCHDOG) += softdog.o
diff -Nur linux-2.6.21.1/drivers/mtd/chips/cfi_probe.c linux-2.6.21.1-owrt/drivers/mtd/chips/cfi_probe.c
--- linux-2.6.21.1/drivers/mtd/chips/cfi_probe.c 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/mtd/chips/cfi_probe.c 2007-05-23 23:36:42.000000000 +0200
@@ -25,6 +25,74 @@
static void print_cfi_ident(struct cfi_ident *);
#endif
+#if 1
+
+#define AMD_AUTOSEL_OFF1 0xAAA
+#define AMD_AUTOSEL_OFF2 0x555
+#define AMD_MANUF_ID 0x1
+#define AMD_DEVICE_ID1 0xF6 /* T */
+#define AMD_DEVICE_ID2 0xF9 /* B */
+/* Foll. are definitions for Macronix Flash Part */
+#define MCX_MANUF_ID 0xC2
+#define MCX_DEVICE_ID1 0xA7
+#define MCX_DEVICE_ID2 0xA8
+/* Foll. common to both AMD and Macronix */
+#define FACTORY_LOCKED 0x99
+#define USER_LOCKED 0x19
+
+/* NOTE: AP-70/6x use BYTE mode flash access. Therefore the
+ * lowest Addr. pin in the flash is not A0 but A-1 (A minus 1).
+ * CPU's A0 is tied to Flash's A-1, A1 to A0 and so on. This
+ * gives 4MB of byte-addressable mem. In byte mode, all addr
+ * need to be multiplied by 2 (i.e compared to word mode).
+ * NOTE: AMD_AUTOSEL_OFF1 and OFF2 are already mult. by 2
+ * Just blindly use the addr offsets suggested in the manual
+ * for byte mode and you'll be OK. Offs. in Table 6 need to
+ * be mult by 2 (for getting autosel params)
+ */
+void
+flash_detect(struct map_info *map, __u32 base, struct cfi_private *cfi)
+{
+ map_word val[3];
+ int osf = cfi->interleave * cfi->device_type; // =2 for AP70/6x
+ char *manuf, *part, *lock ;
+
+ if (osf != 1) return ;
+
+ cfi_send_gen_cmd(0xAA, AMD_AUTOSEL_OFF1, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0x55, AMD_AUTOSEL_OFF2, base, map, cfi, cfi->device_type, NULL);
+ cfi_send_gen_cmd(0x90, AMD_AUTOSEL_OFF1, base, map, cfi, cfi->device_type, NULL);
+ val[0] = map_read(map, base) ; // manuf ID
+ val[1] = map_read(map, base+2) ; // device ID
+ val[2] = map_read(map, base+6) ; // lock indicator
+#if 0
+printk("v1=0x%x v2=0x%x v3=0x%x\n", val[0], val[1], val[2]) ;
+#endif
+ if (val[0].x[0] == AMD_MANUF_ID) {
+ manuf = "AMD Flash" ;
+ if (val[1].x[0] == AMD_DEVICE_ID1)
+ part = "AM29LV320D (Top)" ;
+ else if (val[1].x[0] == AMD_DEVICE_ID2)
+ part = "AM29LV320D (Bot)" ;
+ else part = "Unknown" ;
+ } else if (val[0].x[0] == MCX_MANUF_ID) {
+ manuf = "Macronix Flash" ;
+ if (val[1].x[0] == MCX_DEVICE_ID1)
+ part = "MX29LV320A (Top)" ;
+ else if (val[1].x[0] == MCX_DEVICE_ID2)
+ part = "MX29LV320A (Bot)" ;
+ else part = "Unknown" ;
+ } else
+ return ;
+ if (val[2].x[0] == FACTORY_LOCKED)
+ lock = "Factory Locked" ;
+ else if (val[2].x[0] == USER_LOCKED)
+ lock = "User Locked" ;
+ else lock = "Unknown locking" ;
+ printk("%s %s (%s)\n", manuf, part, lock) ;
+}
+#endif
+
static int cfi_probe_chip(struct map_info *map, __u32 base,
unsigned long *chip_map, struct cfi_private *cfi);
static int cfi_chip_setup(struct map_info *map, struct cfi_private *cfi);
@@ -117,6 +185,10 @@
}
xip_disable();
+#if 1
+ //cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
+ flash_detect(map, base, cfi) ;
+#endif
cfi_send_gen_cmd(0xF0, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0xFF, 0, base, map, cfi, cfi->device_type, NULL);
cfi_send_gen_cmd(0x98, 0x55, base, map, cfi, cfi->device_type, NULL);
diff -Nur linux-2.6.21.1/drivers/net/Kconfig linux-2.6.21.1-owrt/drivers/net/Kconfig
--- linux-2.6.21.1/drivers/net/Kconfig 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/net/Kconfig 2007-05-23 23:37:01.000000000 +0200
@@ -201,6 +201,19 @@
source "drivers/net/arm/Kconfig"
+config AR2313
+ tristate "AR2313 Ethernet support"
+ depends on NET_ETHERNET && MACH_ARUBA
+ help
+ Support for the AR2313 Ethernet part on Aruba AP60/61
+
+config IDT_RC32434_ETH
+ tristate "IDT RC32434 Local Ethernet support"
+ depends on NET_ETHERNET
+ help
+ IDT RC32434 has one local ethernet port. Say Y here to enable it.
+ To compile this driver as a module, choose M here.
+
config MACE
tristate "MACE (Power Mac ethernet) support"
depends on NET_ETHERNET && PPC_PMAC && PPC32
diff -Nur linux-2.6.21.1/drivers/net/Makefile linux-2.6.21.1-owrt/drivers/net/Makefile
--- linux-2.6.21.1/drivers/net/Makefile 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/net/Makefile 2007-05-23 23:37:01.000000000 +0200
@@ -11,6 +11,7 @@
obj-$(CONFIG_BONDING) += bonding/
obj-$(CONFIG_ATL1) += atl1/
obj-$(CONFIG_GIANFAR) += gianfar_driver.o
+obj-$(CONFIG_AR2313) += ar2313/
gianfar_driver-objs := gianfar.o \
gianfar_ethtool.o \
@@ -38,6 +39,7 @@
obj-$(CONFIG_MACE) += mace.o
obj-$(CONFIG_BMAC) += bmac.o
+obj-$(CONFIG_IDT_RC32434_ETH) += rc32434_eth.o
obj-$(CONFIG_DGRS) += dgrs.o
obj-$(CONFIG_VORTEX) += 3c59x.o
obj-$(CONFIG_TYPHOON) += typhoon.o
diff -Nur linux-2.6.21.1/drivers/net/natsemi.c linux-2.6.21.1-owrt/drivers/net/natsemi.c
--- linux-2.6.21.1/drivers/net/natsemi.c 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/net/natsemi.c 2007-05-23 23:34:01.000000000 +0200
@@ -656,6 +656,49 @@
static int netdev_get_eeprom(struct net_device *dev, u8 *buf);
static const struct ethtool_ops ethtool_ops;
+#ifdef CONFIG_MACH_ARUBA
+
+#include <linux/ctype.h>
+
+#ifndef ERR
+#define ERR(fmt, args...) printk("%s: " fmt, __func__, ##args)
+#endif
+
+static int parse_mac_addr(struct net_device *dev, char* macstr)
+{
+ int i, j;
+ unsigned char result, value;
+
+ for (i=0; i<6; i++) {
+ result = 0;
+ if (i != 5 && *(macstr+2) != ':') {
+ ERR("invalid mac address format: %d %c\n",
+ i, *(macstr+2));
+ return -EINVAL;
+ }
+ for (j=0; j<2; j++) {
+ if (isxdigit(*macstr) && (value = isdigit(*macstr) ? *macstr-'0' :
+ toupper(*macstr)-'A'+10) < 16) {
+ result = result*16 + value;
+ macstr++;
+ }
+ else {
+ ERR("invalid mac address "
+ "character: %c\n", *macstr);
+ return -EINVAL;
+ }
+ }
+
+ macstr++;
+ dev->dev_addr[i] = result;
+ }
+
+ dev->dev_addr[5]++;
+ return 0;
+}
+
+#endif
+
static inline void __iomem *ns_ioaddr(struct net_device *dev)
{
return (void __iomem *) dev->base_addr;
@@ -794,6 +837,7 @@
goto err_ioremap;
}
+#ifndef CONFIG_MACH_ARUBA
/* Work around the dropped serial bit. */
prev_eedata = eeprom_read(ioaddr, 6);
for (i = 0; i < 3; i++) {
@@ -802,6 +846,19 @@
dev->dev_addr[i*2+1] = eedata >> 7;
prev_eedata = eedata;
}
+#else
+ {
+ char mac[32];
+ unsigned char def_mac[6] = {00, 0x0b, 0x86, 0xba, 0xdb, 0xad};
+ extern char *getenv(char *e);
+ memset(mac, 0, 32);
+ memcpy(mac, getenv("ethaddr"), 17);
+ if (parse_mac_addr(dev, mac)){
+ printk("%s: MAC address not found\n", __func__);
+ memcpy(dev->dev_addr, def_mac, 6);
+ }
+ }
+#endif
dev->base_addr = (unsigned long __force) ioaddr;
dev->irq = irq;
diff -Nur linux-2.6.21.1/drivers/pci/access.c linux-2.6.21.1-owrt/drivers/pci/access.c
--- linux-2.6.21.1/drivers/pci/access.c 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/pci/access.c 2007-05-23 23:36:48.000000000 +0200
@@ -23,6 +23,7 @@
#define PCI_word_BAD (pos & 1)
#define PCI_dword_BAD (pos & 3)
+#ifdef __MIPSEB__
#define PCI_OP_READ(size,type,len) \
int pci_bus_read_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type *value) \
@@ -33,11 +34,32 @@
if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \
spin_lock_irqsave(&pci_lock, flags); \
res = bus->ops->read(bus, devfn, pos, len, &data); \
+ if (len == 1) \
+ *value = (type)((data >> 24) & 0xff); \
+ else if (len == 2) \
+ *value = (type)((data >> 16) & 0xffff); \
+ else \
*value = (type)data; \
spin_unlock_irqrestore(&pci_lock, flags); \
return res; \
}
+#else
+#define PCI_OP_READ(size,type,len) \
+int pci_bus_read_config_##size \
+ (struct pci_bus *bus, unsigned int devfn, int pos, type *value) \
+{ \
+ int res; \
+ unsigned long flags; \
+ u32 data = 0; \
+ if (PCI_##size##_BAD) return PCIBIOS_BAD_REGISTER_NUMBER; \
+ spin_lock_irqsave(&pci_lock, flags); \
+ res = bus->ops->read(bus, devfn, pos, len, &data); \
+ *value = (type)data; \
+ spin_unlock_irqrestore(&pci_lock, flags); \
+ return res; \
+}
+#endif
#define PCI_OP_WRITE(size,type,len) \
int pci_bus_write_config_##size \
(struct pci_bus *bus, unsigned int devfn, int pos, type value) \
diff -Nur linux-2.6.21.1/drivers/serial/8250.c linux-2.6.21.1-owrt/drivers/serial/8250.c
--- linux-2.6.21.1/drivers/serial/8250.c 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/serial/8250.c 2007-05-23 23:37:11.000000000 +0200
@@ -1635,7 +1635,7 @@
{
struct uart_8250_port *up = (struct uart_8250_port *)port;
unsigned long flags;
- unsigned char lsr, iir;
+// unsigned char lsr, iir;
int retval;
up->capabilities = uart_config[up->port.type].flags;
@@ -1772,6 +1772,8 @@
serial8250_set_mctrl(&up->port, up->port.mctrl);
+// For some reason this test causes problems on the AP6x serial console
+#if 0
/*
* Do a quick test to see if we receive an
* interrupt when we enable the TX irq.
@@ -1790,7 +1792,8 @@
} else {
up->bugs &= ~UART_BUG_TXEN;
}
-
+#endif
+
spin_unlock_irqrestore(&up->port.lock, flags);
/*
diff -Nur linux-2.6.21.1/drivers/usb/host/ehci.h linux-2.6.21.1-owrt/drivers/usb/host/ehci.h
--- linux-2.6.21.1/drivers/usb/host/ehci.h 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/usb/host/ehci.h 2007-05-23 23:37:18.000000000 +0200
@@ -87,6 +87,7 @@
struct dma_pool *sitd_pool; /* sitd per split iso urb */
struct timer_list watchdog;
+ struct timer_list softirq;
unsigned long actions;
unsigned stamp;
unsigned long next_statechange;
diff -Nur linux-2.6.21.1/drivers/usb/host/ehci-hcd.c linux-2.6.21.1-owrt/drivers/usb/host/ehci-hcd.c
--- linux-2.6.21.1/drivers/usb/host/ehci-hcd.c 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/drivers/usb/host/ehci-hcd.c 2007-05-23 23:37:18.000000000 +0200
@@ -118,6 +118,7 @@
#define EHCI_IO_JIFFIES (HZ/10) /* io watchdog > irq_thresh */
#define EHCI_ASYNC_JIFFIES (HZ/20) /* async idle timeout */
#define EHCI_SHRINK_JIFFIES (HZ/200) /* async qh unlink delay */
+#define EHCI_SOFTIRQ (HZ/400)
/* Initial IRQ latency: faster than hw default */
static int log2_irq_thresh = 0; // 0 to 6
@@ -273,6 +274,16 @@
#include "ehci-sched.c"
/*-------------------------------------------------------------------------*/
+static irqreturn_t ehci_irq (struct usb_hcd *hcd);
+
+static void ehci_softirq (unsigned long param)
+{
+ struct ehci_hcd *ehci = (struct ehci_hcd *) param;
+
+ if (ehci_irq(ehci_to_hcd(ehci)) != IRQ_NONE)
+ set_bit(HCD_FLAG_SAW_IRQ, &(ehci_to_hcd(ehci))->flags);
+ mod_timer (&ehci->softirq, jiffies + EHCI_SOFTIRQ);
+}
static void ehci_watchdog (unsigned long param)
{
@@ -289,6 +300,10 @@
COUNT (ehci->stats.lost_iaa);
ehci_writel(ehci, STS_IAA, &ehci->regs->status);
ehci->reclaim_ready = 1;
+ if (!timer_pending(&ehci->softirq)) {
+ ehci_info(ehci, "switching to softirq\n");
+ mod_timer (&ehci->softirq, jiffies + EHCI_SOFTIRQ);
+ }
}
}
@@ -396,6 +411,7 @@
/* no more interrupts ... */
del_timer_sync (&ehci->watchdog);
+ del_timer_sync (&ehci->softirq);
spin_lock_irq(&ehci->lock);
if (HC_IS_RUNNING (hcd->state))
@@ -444,6 +460,10 @@
ehci->watchdog.function = ehci_watchdog;
ehci->watchdog.data = (unsigned long) ehci;
+ init_timer(&ehci->softirq);
+ ehci->softirq.function = ehci_softirq;
+ ehci->softirq.data = (unsigned long) ehci;
+
/*
* hw default: 1K periodic list heads, one per frame.
* periodic_size can shrink by USBCMD update if hcc_params allows.
diff -Nur linux-2.6.21.1/include/asm-mips/bootinfo.h linux-2.6.21.1-owrt/include/asm-mips/bootinfo.h
--- linux-2.6.21.1/include/asm-mips/bootinfo.h 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/include/asm-mips/bootinfo.h 2007-05-23 23:34:01.000000000 +0200
@@ -213,6 +213,17 @@
#define MACH_GROUP_NEC_EMMA2RH 25 /* NEC EMMA2RH (was 23) */
#define MACH_NEC_MARKEINS 0 /* NEC EMMA2RH Mark-eins */
+
+/*
+ * Valid machtype for group ARUBA
+ */
+#define MACH_GROUP_ARUBA 23
+#define MACH_ARUBA_UNKNOWN 0
+#define MACH_ARUBA_AP60 1
+#define MACH_ARUBA_AP65 2
+#define MACH_ARUBA_AP70 3
+#define MACH_ARUBA_AP40 4
+
#define CL_SIZE COMMAND_LINE_SIZE
const char *get_system_type(void);
diff -Nur linux-2.6.21.1/include/asm-mips/cpu.h linux-2.6.21.1-owrt/include/asm-mips/cpu.h
--- linux-2.6.21.1/include/asm-mips/cpu.h 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/include/asm-mips/cpu.h 2007-05-23 23:34:01.000000000 +0200
@@ -54,6 +54,9 @@
#define PRID_IMP_R14000 0x0f00
#define PRID_IMP_R8000 0x1000
#define PRID_IMP_PR4450 0x1200
+#define PRID_IMP_RC32334 0x1800
+#define PRID_IMP_RC32355 0x1900
+#define PRID_IMP_RC32365 0x1900
#define PRID_IMP_R4600 0x2000
#define PRID_IMP_R4700 0x2100
#define PRID_IMP_TX39 0x2200
@@ -200,7 +203,8 @@
#define CPU_SB1A 62
#define CPU_74K 63
#define CPU_R14000 64
-#define CPU_LAST 64
+#define CPU_RC32300 65
+#define CPU_LAST 65
/*
* ISA Level encodings
diff -Nur linux-2.6.21.1/include/asm-mips/mach-generic/irq.h linux-2.6.21.1-owrt/include/asm-mips/mach-generic/irq.h
--- linux-2.6.21.1/include/asm-mips/mach-generic/irq.h 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/include/asm-mips/mach-generic/irq.h 2007-05-23 23:35:55.000000000 +0200
@@ -9,7 +9,7 @@
#define __ASM_MACH_GENERIC_IRQ_H
#ifndef NR_IRQS
-#define NR_IRQS 128
+#define NR_IRQS 256
#endif
#ifdef CONFIG_I8259
diff -Nur linux-2.6.21.1/include/linux/kernel.h linux-2.6.21.1-owrt/include/linux/kernel.h
--- linux-2.6.21.1/include/linux/kernel.h 2007-04-27 23:49:26.000000000 +0200
+++ linux-2.6.21.1-owrt/include/linux/kernel.h 2007-05-23 23:34:01.000000000 +0200
@@ -334,6 +334,7 @@
};
/* Force a compilation error if condition is true */
+extern void BUILD_BUG(void);
#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
/* Force a compilation error if condition is true, but also produce a
diff -Nur linux-2.6.21.1/include/linux/kernel.h.orig linux-2.6.21.1-owrt/include/linux/kernel.h.orig
--- linux-2.6.21.1/include/linux/kernel.h.orig 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.21.1-owrt/include/linux/kernel.h.orig 2007-04-27 23:49:26.000000000 +0200
@@ -0,0 +1,355 @@
+#ifndef _LINUX_KERNEL_H
+#define _LINUX_KERNEL_H
+
+/*
+ * 'kernel.h' contains some often-used function prototypes etc
+ */
+
+#ifdef __KERNEL__
+
+#include <stdarg.h>
+#include <linux/linkage.h>
+#include <linux/stddef.h>
+#include <linux/types.h>
+#include <linux/compiler.h>
+#include <linux/bitops.h>
+#include <linux/log2.h>
+#include <asm/byteorder.h>
+#include <asm/bug.h>
+
+extern const char linux_banner[];
+extern const char linux_proc_banner[];
+
+#define INT_MAX ((int)(~0U>>1))
+#define INT_MIN (-INT_MAX - 1)
+#define UINT_MAX (~0U)
+#define LONG_MAX ((long)(~0UL>>1))
+#define LONG_MIN (-LONG_MAX - 1)
+#define ULONG_MAX (~0UL)
+#define LLONG_MAX ((long long)(~0ULL>>1))
+#define LLONG_MIN (-LLONG_MAX - 1)
+#define ULLONG_MAX (~0ULL)
+
+#define STACK_MAGIC 0xdeadbeef
+
+#define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1)
+#define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask))
+
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f))
+#define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d))
+#define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
+
+#define KERN_EMERG "<0>" /* system is unusable */
+#define KERN_ALERT "<1>" /* action must be taken immediately */
+#define KERN_CRIT "<2>" /* critical conditions */
+#define KERN_ERR "<3>" /* error conditions */
+#define KERN_WARNING "<4>" /* warning conditions */
+#define KERN_NOTICE "<5>" /* normal but significant condition */
+#define KERN_INFO "<6>" /* informational */
+#define KERN_DEBUG "<7>" /* debug-level messages */
+
+extern int console_printk[];
+
+#define console_loglevel (console_printk[0])
+#define default_message_loglevel (console_printk[1])
+#define minimum_console_loglevel (console_printk[2])
+#define default_console_loglevel (console_printk[3])
+
+struct completion;
+struct pt_regs;
+struct user;
+
+/**
+ * might_sleep - annotation for functions that can sleep
+ *
+ * this macro will print a stack trace if it is executed in an atomic
+ * context (spinlock, irq-handler, ...).
+ *
+ * This is a useful debugging help to be able to catch problems early and not
+ * be bitten later when the calling function happens to sleep when it is not
+ * supposed to.
+ */
+#ifdef CONFIG_PREEMPT_VOLUNTARY
+extern int cond_resched(void);
+# define might_resched() cond_resched()
+#else
+# define might_resched() do { } while (0)
+#endif
+
+#ifdef CONFIG_DEBUG_SPINLOCK_SLEEP
+ void __might_sleep(char *file, int line);
+# define might_sleep() \
+ do { __might_sleep(__FILE__, __LINE__); might_resched(); } while (0)
+#else
+# define might_sleep() do { might_resched(); } while (0)
+#endif
+
+#define might_sleep_if(cond) do { if (cond) might_sleep(); } while (0)
+
+#define abs(x) ({ \
+ int __x = (x); \
+ (__x < 0) ? -__x : __x; \
+ })
+
+extern struct atomic_notifier_head panic_notifier_list;
+extern long (*panic_blink)(long time);
+NORET_TYPE void panic(const char * fmt, ...)
+ __attribute__ ((NORET_AND format (printf, 1, 2)));
+extern void oops_enter(void);
+extern void oops_exit(void);
+extern int oops_may_print(void);
+fastcall NORET_TYPE void do_exit(long error_code)
+ ATTRIB_NORET;
+NORET_TYPE void complete_and_exit(struct completion *, long)
+ ATTRIB_NORET;
+extern unsigned long simple_strtoul(const char *,char **,unsigned int);
+extern long simple_strtol(const char *,char **,unsigned int);
+extern unsigned long long simple_strtoull(const char *,char **,unsigned int);
+extern long long simple_strtoll(const char *,char **,unsigned int);
+extern int sprintf(char * buf, const char * fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+extern int vsprintf(char *buf, const char *, va_list)
+ __attribute__ ((format (printf, 2, 0)));
+extern int snprintf(char * buf, size_t size, const char * fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+extern int vsnprintf(char *buf, size_t size, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 3, 0)));
+extern int scnprintf(char * buf, size_t size, const char * fmt, ...)
+ __attribute__ ((format (printf, 3, 4)));
+extern int vscnprintf(char *buf, size_t size, const char *fmt, va_list args)
+ __attribute__ ((format (printf, 3, 0)));
+extern char *kasprintf(gfp_t gfp, const char *fmt, ...)
+ __attribute__ ((format (printf, 2, 3)));
+
+extern int sscanf(const char *, const char *, ...)
+ __attribute__ ((format (scanf, 2, 3)));
+extern int vsscanf(const char *, const char *, va_list)
+ __attribute__ ((format (scanf, 2, 0)));
+
+extern int get_option(char **str, int *pint);
+extern char *get_options(const char *str, int nints, int *ints);
+extern unsigned long long memparse(char *ptr, char **retptr);
+
+extern int core_kernel_text(unsigned long addr);
+extern int __kernel_text_address(unsigned long addr);
+extern int kernel_text_address(unsigned long addr);
+struct pid;
+extern struct pid *session_of_pgrp(struct pid *pgrp);
+
+extern void dump_thread(struct pt_regs *regs, struct user *dump);
+
+#ifdef CONFIG_PRINTK
+asmlinkage int vprintk(const char *fmt, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
+asmlinkage int printk(const char * fmt, ...)
+ __attribute__ ((format (printf, 1, 2)));
+#else
+static inline int vprintk(const char *s, va_list args)
+ __attribute__ ((format (printf, 1, 0)));
+static inline int vprintk(const char *s, va_list args) { return 0; }
+static inline int printk(const char *s, ...)
+ __attribute__ ((format (printf, 1, 2)));
+static inline int printk(const char *s, ...) { return 0; }
+#endif
+
+unsigned long int_sqrt(unsigned long);
+
+extern int printk_ratelimit(void);
+extern int __printk_ratelimit(int ratelimit_jiffies, int ratelimit_burst);
+extern bool printk_timed_ratelimit(unsigned long *caller_jiffies,
+ unsigned int interval_msec);
+
+static inline void console_silent(void)
+{
+ console_loglevel = 0;
+}
+
+static inline void console_verbose(void)
+{
+ if (console_loglevel)
+ console_loglevel = 15;
+}
+
+extern void bust_spinlocks(int yes);
+extern void wake_up_klogd(void);
+extern int oops_in_progress; /* If set, an oops, panic(), BUG() or die() is in progress */
+extern int panic_timeout;
+extern int panic_on_oops;
+extern int panic_on_unrecovered_nmi;
+extern int tainted;
+extern const char *print_tainted(void);
+extern void add_taint(unsigned);
+
+/* Values used for system_state */
+extern enum system_states {
+ SYSTEM_BOOTING,
+ SYSTEM_RUNNING,
+ SYSTEM_HALT,
+ SYSTEM_POWER_OFF,
+ SYSTEM_RESTART,
+ SYSTEM_SUSPEND_DISK,
+} system_state;
+
+#define TAINT_PROPRIETARY_MODULE (1<<0)
+#define TAINT_FORCED_MODULE (1<<1)
+#define TAINT_UNSAFE_SMP (1<<2)
+#define TAINT_FORCED_RMMOD (1<<3)
+#define TAINT_MACHINE_CHECK (1<<4)
+#define TAINT_BAD_PAGE (1<<5)
+#define TAINT_USER (1<<6)
+
+extern void dump_stack(void);
+
+#ifdef DEBUG
+/* If you are writing a driver, please use dev_dbg instead */
+#define pr_debug(fmt,arg...) \
+ printk(KERN_DEBUG fmt,##arg)
+#else
+static inline int __attribute__ ((format (printf, 1, 2))) pr_debug(const char * fmt, ...)
+{
+ return 0;
+}
+#endif
+
+#define pr_info(fmt,arg...) \
+ printk(KERN_INFO fmt,##arg)
+
+/*
+ * Display an IP address in readable format.
+ */
+
+#define NIPQUAD(addr) \
+ ((unsigned char *)&addr)[0], \
+ ((unsigned char *)&addr)[1], \
+ ((unsigned char *)&addr)[2], \
+ ((unsigned char *)&addr)[3]
+#define NIPQUAD_FMT "%u.%u.%u.%u"
+
+#define NIP6(addr) \
+ ntohs((addr).s6_addr16[0]), \
+ ntohs((addr).s6_addr16[1]), \
+ ntohs((addr).s6_addr16[2]), \
+ ntohs((addr).s6_addr16[3]), \
+ ntohs((addr).s6_addr16[4]), \
+ ntohs((addr).s6_addr16[5]), \
+ ntohs((addr).s6_addr16[6]), \
+ ntohs((addr).s6_addr16[7])
+#define NIP6_FMT "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x"
+#define NIP6_SEQFMT "%04x%04x%04x%04x%04x%04x%04x%04x"
+
+#if defined(__LITTLE_ENDIAN)
+#define HIPQUAD(addr) \
+ ((unsigned char *)&addr)[3], \
+ ((unsigned char *)&addr)[2], \
+ ((unsigned char *)&addr)[1], \
+ ((unsigned char *)&addr)[0]
+#elif defined(__BIG_ENDIAN)
+#define HIPQUAD NIPQUAD
+#else
+#error "Please fix asm/byteorder.h"
+#endif /* __LITTLE_ENDIAN */
+
+/*
+ * min()/max() macros that also do
+ * strict type-checking.. See the
+ * "unnecessary" pointer comparison.
+ */
+#define min(x,y) ({ \
+ typeof(x) _x = (x); \
+ typeof(y) _y = (y); \
+ (void) (&_x == &_y); \
+ _x < _y ? _x : _y; })
+
+#define max(x,y) ({ \
+ typeof(x) _x = (x); \
+ typeof(y) _y = (y); \
+ (void) (&_x == &_y); \
+ _x > _y ? _x : _y; })
+
+/*
+ * ..and if you can't take the strict
+ * types, you can specify one yourself.
+ *
+ * Or not use min/max at all, of course.
+ */
+#define min_t(type,x,y) \
+ ({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })
+#define max_t(type,x,y) \
+ ({ type __x = (x); type __y = (y); __x > __y ? __x: __y; })
+
+
+/**
+ * container_of - cast a member of a structure out to the containing structure
+ * @ptr: the pointer to the member.
+ * @type: the type of the container struct this is embedded in.
+ * @member: the name of the member within the struct.
+ *
+ */
+#define container_of(ptr, type, member) ({ \
+ const typeof( ((type *)0)->member ) *__mptr = (ptr); \
+ (type *)( (char *)__mptr - offsetof(type,member) );})
+
+/*
+ * Check at compile time that something is of a particular type.
+ * Always evaluates to 1 so you may use it easily in comparisons.
+ */
+#define typecheck(type,x) \
+({ type __dummy; \
+ typeof(x) __dummy2; \
+ (void)(&__dummy == &__dummy2); \
+ 1; \
+})
+
+/*
+ * Check at compile time that 'function' is a certain type, or is a pointer
+ * to that type (needs to use typedef for the function type.)
+ */
+#define typecheck_fn(type,function) \
+({ typeof(type) __tmp = function; \
+ (void)__tmp; \
+})
+
+struct sysinfo;
+extern int do_sysinfo(struct sysinfo *info);
+
+#endif /* __KERNEL__ */
+
+#define SI_LOAD_SHIFT 16
+struct sysinfo {
+ long uptime; /* Seconds since boot */
+ unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
+ unsigned long totalram; /* Total usable main memory size */
+ unsigned long freeram; /* Available memory size */
+ unsigned long sharedram; /* Amount of shared memory */
+ unsigned long bufferram; /* Memory used by buffers */
+ unsigned long totalswap; /* Total swap space size */
+ unsigned long freeswap; /* swap space still available */
+ unsigned short procs; /* Number of current processes */
+ unsigned short pad; /* explicit padding for m68k */
+ unsigned long totalhigh; /* Total high memory size */
+ unsigned long freehigh; /* Available high memory size */
+ unsigned int mem_unit; /* Memory unit size in bytes */
+ char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding: libc5 uses this.. */
+};
+
+/* Force a compilation error if condition is true */
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+
+/* Force a compilation error if condition is true, but also produce a
+ result (of value 0 and type size_t), so the expression can be used
+ e.g. in a structure initializer (or where-ever else comma expressions
+ aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(char[1 - 2 * !!(e)]) - 1)
+
+/* Trap pasters of __FUNCTION__ at compile-time */
+#define __FUNCTION__ (__func__)
+
+/* This helps us to avoid #ifdef CONFIG_NUMA */
+#ifdef CONFIG_NUMA
+#define NUMA_BUILD 1
+#else
+#define NUMA_BUILD 0
+#endif
+
+#endif
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