microsoft
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WSL2-Linux-Kernel
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Merge master.kernel.org:/pub/scm/linux/kernel/git/paulus/ppc64-2.6

This commit is contained in:
Linus Torvalds 2005-09-06 05:16:24 -07:00
Родитель 5bcaa15579 cebb2b1563
Коммит 4706df3d3c
56 изменённых файлов: 698 добавлений и 1239 удалений
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8
arch/ppc64/kernel/Makefile
Просмотреть файл

@ -31,7 +31,7 @@ obj-$(CONFIG_PPC_MULTIPLATFORM) += nvram.o i8259.o prom_init.o prom.o
obj-$(CONFIG_PPC_PSERIES) += pSeries_pci.o pSeries_lpar.o pSeries_hvCall.o \
pSeries_nvram.o rtasd.o ras.o pSeries_reconfig.o \
pSeries_setup.o pSeries_iommu.o
pSeries_setup.o pSeries_iommu.o udbg_16550.o
obj-$(CONFIG_PPC_BPA) += bpa_setup.o bpa_iommu.o bpa_nvram.o \
bpa_iic.o spider-pic.o
@ -58,9 +58,11 @@ obj-$(CONFIG_XICS) += xics.o
obj-$(CONFIG_MPIC) += mpic.o
obj-$(CONFIG_PPC_PMAC) += pmac_setup.o pmac_feature.o pmac_pci.o \
pmac_time.o pmac_nvram.o pmac_low_i2c.o
pmac_time.o pmac_nvram.o pmac_low_i2c.o \
udbg_scc.o
obj-$(CONFIG_PPC_MAPLE) += maple_setup.o maple_pci.o maple_time.o
obj-$(CONFIG_PPC_MAPLE) += maple_setup.o maple_pci.o maple_time.o \
udbg_16550.o
obj-$(CONFIG_U3_DART) += u3_iommu.o

1
arch/ppc64/kernel/btext.c
Просмотреть файл

@ -7,7 +7,6 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/version.h>
#include <asm/sections.h>
#include <asm/prom.h>

90
arch/ppc64/kernel/cputable.c
Просмотреть файл

@ -19,6 +19,7 @@
#include <linux/init.h>
#include <linux/module.h>
#include <asm/oprofile_impl.h>
#include <asm/cputable.h>
struct cpu_spec* cur_cpu_spec = NULL;
@ -54,24 +55,32 @@ struct cpu_spec cpu_specs[] = {
.pvr_value = 0x00400000,
.cpu_name = "POWER3 (630)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8,
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power3",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* Power3+ */
.pvr_mask = 0xffff0000,
.pvr_value = 0x00410000,
.cpu_name = "POWER3 (630+)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8,
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power3",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* Northstar */
.pvr_mask = 0xffff0000,
@ -79,11 +88,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "RS64-II (northstar)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
CPU_FTR_MMCRA | CPU_FTR_CTRL,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/rs64",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* Pulsar */
.pvr_mask = 0xffff0000,
@ -91,11 +105,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "RS64-III (pulsar)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
CPU_FTR_MMCRA | CPU_FTR_CTRL,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/rs64",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* I-star */
.pvr_mask = 0xffff0000,
@ -103,11 +122,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "RS64-III (icestar)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
CPU_FTR_MMCRA | CPU_FTR_CTRL,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/rs64",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* S-star */
.pvr_mask = 0xffff0000,
@ -115,11 +139,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "RS64-IV (sstar)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE | CPU_FTR_IABR |
CPU_FTR_PMC8 | CPU_FTR_MMCRA | CPU_FTR_CTRL,
CPU_FTR_MMCRA | CPU_FTR_CTRL,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power3,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/rs64",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* Power4 */
.pvr_mask = 0xffff0000,
@ -127,11 +156,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "POWER4 (gp)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power4,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power4",
.oprofile_model = &op_model_rs64,
#endif
},
{ /* Power4+ */
.pvr_mask = 0xffff0000,
@ -139,11 +173,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_name = "POWER4+ (gq)",
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_MMCRA,
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_power4,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power4",
.oprofile_model = &op_model_power4,
#endif
},
{ /* PPC970 */
.pvr_mask = 0xffff0000,
@ -152,12 +191,17 @@ struct cpu_spec cpu_specs[] = {
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
CPU_FTR_CAN_NAP | CPU_FTR_MMCRA,
.cpu_user_features = COMMON_USER_PPC64 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_ppc970,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/970",
.oprofile_model = &op_model_power4,
#endif
},
{ /* PPC970FX */
.pvr_mask = 0xffff0000,
@ -166,12 +210,17 @@ struct cpu_spec cpu_specs[] = {
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
CPU_FTR_CAN_NAP | CPU_FTR_MMCRA,
.cpu_user_features = COMMON_USER_PPC64 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 8,
.cpu_setup = __setup_cpu_ppc970,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/970",
.oprofile_model = &op_model_power4,
#endif
},
{ /* PPC970MP */
.pvr_mask = 0xffff0000,
@ -180,12 +229,16 @@ struct cpu_spec cpu_specs[] = {
.cpu_features = CPU_FTR_SPLIT_ID_CACHE |
CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
CPU_FTR_CAN_NAP | CPU_FTR_MMCRA,
.cpu_user_features = COMMON_USER_PPC64 |
PPC_FEATURE_HAS_ALTIVEC_COMP,
.icache_bsize = 128,
.dcache_bsize = 128,
.cpu_setup = __setup_cpu_ppc970,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/970",
.oprofile_model = &op_model_power4,
#endif
},
{ /* Power5 */
.pvr_mask = 0xffff0000,
@ -199,7 +252,12 @@ struct cpu_spec cpu_specs[] = {
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
.cpu_setup = __setup_cpu_power4,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power5",
.oprofile_model = &op_model_power4,
#endif
},
{ /* Power5 */
.pvr_mask = 0xffff0000,
@ -213,7 +271,12 @@ struct cpu_spec cpu_specs[] = {
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
.cpu_setup = __setup_cpu_power4,
#ifdef CONFIG_OPROFILE
.oprofile_cpu_type = "ppc64/power5",
.oprofile_model = &op_model_power4,
#endif
},
{ /* BE DD1.x */
.pvr_mask = 0xffff0000,
@ -239,6 +302,7 @@ struct cpu_spec cpu_specs[] = {
.cpu_user_features = COMMON_USER_PPC64,
.icache_bsize = 128,
.dcache_bsize = 128,
.num_pmcs = 6,
.cpu_setup = __setup_cpu_power4,
}
};

11
arch/ppc64/kernel/entry.S
Просмотреть файл

@ -400,15 +400,14 @@ BEGIN_FTR_SECTION
cmpd cr1,r6,r9 /* or is new ESID the same as current ESID? */
cror eq,4*cr1+eq,eq
beq 2f /* if yes, don't slbie it */
oris r0,r6,0x0800 /* set C (class) bit */
/* Bolt in the new stack SLB entry */
ld r7,KSP_VSID(r4) /* Get new stack's VSID */
oris r6,r6,(SLB_ESID_V)@h
ori r6,r6,(SLB_NUM_BOLTED-1)@l
slbie r0
slbie r0 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r6
oris r0,r6,(SLB_ESID_V)@h
ori r0,r0,(SLB_NUM_BOLTED-1)@l
slbie r6
slbie r6 /* Workaround POWER5 < DD2.1 issue */
slbmte r7,r0
isync
2:

9
arch/ppc64/kernel/head.S
Просмотреть файл

@ -1646,8 +1646,9 @@ _GLOBAL(__secondary_start)
#else
/* set the ASR */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
cmpldi r3,PLATFORM_PSERIES_LPAR
andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */
bne 98f
mfspr r3,PVR
srwi r3,r3,16
@ -1809,8 +1810,9 @@ _STATIC(start_here_multiplatform)
ld r3,PACASTABREAL(r13)
ori r4,r3,1 /* turn on valid bit */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
cmpldi r3,PLATFORM_PSERIES_LPAR
andi. r3,r3,PLATFORM_LPAR /* Test if bit 0 is set (LPAR bit) */
bne 98f
mfspr r3,PVR
srwi r3,r3,16
@ -1828,9 +1830,10 @@ _STATIC(start_here_multiplatform)
99:
/* Set SDR1 (hash table pointer) */
ld r3,systemcfg@got(r2) /* r3 = ptr to systemcfg */
ld r3,0(r3)
lwz r3,PLATFORM(r3) /* r3 = platform flags */
/* Test if bit 0 is set (LPAR bit) */
andi. r3,r3,0x1
andi. r3,r3,PLATFORM_LPAR
bne 98f
LOADADDR(r6,_SDR1) /* Only if NOT LPAR */
sub r6,r6,r26

2
arch/ppc64/kernel/lparcfg.c
Просмотреть файл

@ -569,7 +569,7 @@ struct file_operations lparcfg_fops = {
int __init lparcfg_init(void)
{
struct proc_dir_entry *ent;
mode_t mode = S_IRUSR;
mode_t mode = S_IRUSR | S_IRGRP | S_IROTH;
/* Allow writing if we have FW_FEATURE_SPLPAR */
if (firmware_has_feature(FW_FEATURE_SPLPAR)) {

3
arch/ppc64/kernel/maple_setup.c
Просмотреть файл

@ -207,9 +207,6 @@ static void __init maple_init_early(void)
comport = (void *)ioremap(physport, 16);
udbg_init_uart(comport, default_speed);
ppc_md.udbg_putc = udbg_putc;
ppc_md.udbg_getc = udbg_getc;
ppc_md.udbg_getc_poll = udbg_getc_poll;
DBG("Hello World !\n");
}

18
arch/ppc64/kernel/pSeries_lpar.c
Просмотреть файл

@ -192,9 +192,9 @@ static unsigned char udbg_getcLP(void)
void udbg_init_debug_lpar(void)
{
vtermno = 0;
ppc_md.udbg_putc = udbg_putcLP;
ppc_md.udbg_getc = udbg_getcLP;
ppc_md.udbg_getc_poll = udbg_getc_pollLP;
udbg_putc = udbg_putcLP;
udbg_getc = udbg_getcLP;
udbg_getc_poll = udbg_getc_pollLP;
}
/* returns 0 if couldn't find or use /chosen/stdout as console */
@ -227,18 +227,18 @@ int find_udbg_vterm(void)
termno = (u32 *)get_property(stdout_node, "reg", NULL);
if (termno) {
vtermno = termno[0];
ppc_md.udbg_putc = udbg_putcLP;
ppc_md.udbg_getc = udbg_getcLP;
ppc_md.udbg_getc_poll = udbg_getc_pollLP;
udbg_putc = udbg_putcLP;
udbg_getc = udbg_getcLP;
udbg_getc_poll = udbg_getc_pollLP;
found = 1;
}
} else if (device_is_compatible(stdout_node, "hvterm-protocol")) {
termno = (u32 *)get_property(stdout_node, "reg", NULL);
if (termno) {
vtermno = termno[0];
ppc_md.udbg_putc = udbg_hvsi_putc;
ppc_md.udbg_getc = udbg_hvsi_getc;
ppc_md.udbg_getc_poll = udbg_hvsi_getc_poll;
udbg_putc = udbg_hvsi_putc;
udbg_getc = udbg_hvsi_getc;
udbg_getc_poll = udbg_hvsi_getc_poll;
found = 1;
}
}

7
arch/ppc64/kernel/pSeries_setup.c
Просмотреть файл

@ -37,7 +37,7 @@
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/pci.h>
#include <linux/version.h>
#include <linux/utsname.h>
#include <linux/adb.h>
#include <linux/module.h>
#include <linux/delay.h>
@ -272,7 +272,7 @@ static int __init pSeries_init_panel(void)
{
/* Manually leave the kernel version on the panel. */
ppc_md.progress("Linux ppc64\n", 0);
ppc_md.progress(UTS_RELEASE, 0);
ppc_md.progress(system_utsname.version, 0);
return 0;
}
@ -397,9 +397,6 @@ static void __init pSeries_init_early(void)
comport = (void *)ioremap(physport, 16);
udbg_init_uart(comport, default_speed);
ppc_md.udbg_putc = udbg_putc;
ppc_md.udbg_getc = udbg_getc;
ppc_md.udbg_getc_poll = udbg_getc_poll;
DBG("Hello World !\n");
}

19
arch/ppc64/kernel/pmac_setup.c
Просмотреть файл

@ -274,16 +274,6 @@ static void __pmac pmac_halt(void)
}
#ifdef CONFIG_BOOTX_TEXT
static int dummy_getc_poll(void)
{
return -1;
}
static unsigned char dummy_getc(void)
{
return 0;
}
static void btext_putc(unsigned char c)
{
btext_drawchar(c);
@ -342,16 +332,13 @@ static void __init pmac_init_early(void)
sccdbg = 1;
udbg_init_scc(NULL);
}
else {
#ifdef CONFIG_BOOTX_TEXT
else {
init_boot_display();
ppc_md.udbg_putc = btext_putc;
ppc_md.udbg_getc = dummy_getc;
ppc_md.udbg_getc_poll = dummy_getc_poll;
#endif /* CONFIG_BOOTX_TEXT */
udbg_putc = btext_putc;
}
#endif /* CONFIG_BOOTX_TEXT */
/* Setup interrupt mapping options */
ppc64_interrupt_controller = IC_OPEN_PIC;

1
arch/ppc64/kernel/prom.c
Просмотреть файл

@ -22,7 +22,6 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/version.h>
#include <linux/threads.h>
#include <linux/spinlock.h>
#include <linux/types.h>

1
arch/ppc64/kernel/prom_init.c
Просмотреть файл

@ -22,7 +22,6 @@
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/init.h>
#include <linux/version.h>
#include <linux/threads.h>
#include <linux/spinlock.h>
#include <linux/types.h>

44
arch/ppc64/kernel/setup.c
Просмотреть файл

@ -25,7 +25,7 @@
#include <linux/seq_file.h>
#include <linux/ioport.h>
#include <linux/console.h>
#include <linux/version.h>
#include <linux/utsname.h>
#include <linux/tty.h>
#include <linux/root_dev.h>
#include <linux/notifier.h>
@ -89,7 +89,7 @@ extern void udbg_init_maple_realmode(void);
#define EARLY_DEBUG_INIT() udbg_init_maple_realmode()
#define EARLY_DEBUG_INIT() udbg_init_pmac_realmode()
#define EARLY_DEBUG_INIT() \
do { ppc_md.udbg_putc = call_rtas_display_status_delay; } while(0)
do { udbg_putc = call_rtas_display_status_delay; } while(0)
#endif
/* extern void *stab; */
@ -108,7 +108,6 @@ int boot_cpuid = 0;
int boot_cpuid_phys = 0;
dev_t boot_dev;
u64 ppc64_pft_size;
u64 ppc64_debug_switch;
struct ppc64_caches ppc64_caches;
EXPORT_SYMBOL_GPL(ppc64_caches);
@ -154,34 +153,6 @@ struct screen_info screen_info = {
.orig_video_points = 16
};
/*
* Initialize the PPCDBG state. Called before relocation has been enabled.
*/
void __init ppcdbg_initialize(void)
{
ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */
/* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */;
}
/*
* Early boot console based on udbg
*/
static struct console udbg_console = {
.name = "udbg",
.write = udbg_console_write,
.flags = CON_PRINTBUFFER,
.index = -1,
};
static int early_console_initialized;
void __init disable_early_printk(void)
{
if (!early_console_initialized)
return;
unregister_console(&udbg_console);
early_console_initialized = 0;
}
#if defined(CONFIG_PPC_MULTIPLATFORM) && defined(CONFIG_SMP)
static int smt_enabled_cmdline;
@ -425,12 +396,6 @@ void __init early_setup(unsigned long dt_ptr)
}
ppc_md = **mach;
/* our udbg callbacks got overriden by the above, let's put them
* back in. Ultimately, I want those things to be split from the
* main ppc_md
*/
EARLY_DEBUG_INIT();
DBG("Found, Initializing memory management...\n");
/*
@ -636,8 +601,7 @@ void __init setup_system(void)
/*
* Register early console
*/
early_console_initialized = 1;
register_console(&udbg_console);
register_early_udbg_console();
/* Save unparsed command line copy for /proc/cmdline */
strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
@ -657,7 +621,7 @@ void __init setup_system(void)
smp_release_cpus();
#endif /* defined(CONFIG_SMP) && !defined(CONFIG_PPC_ISERIES) */
printk("Starting Linux PPC64 %s\n", UTS_RELEASE);
printk("Starting Linux PPC64 %s\n", system_utsname.version);
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size);

48
arch/ppc64/kernel/sysfs.c
Просмотреть файл

@ -215,18 +215,23 @@ static void register_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_MMCRA))
sysdev_create_file(s, &attr_mmcra);
sysdev_create_file(s, &attr_pmc1);
sysdev_create_file(s, &attr_pmc2);
sysdev_create_file(s, &attr_pmc3);
sysdev_create_file(s, &attr_pmc4);
sysdev_create_file(s, &attr_pmc5);
sysdev_create_file(s, &attr_pmc6);
if (cpu_has_feature(CPU_FTR_PMC8)) {
if (cur_cpu_spec->num_pmcs >= 1)
sysdev_create_file(s, &attr_pmc1);
if (cur_cpu_spec->num_pmcs >= 2)
sysdev_create_file(s, &attr_pmc2);
if (cur_cpu_spec->num_pmcs >= 3)
sysdev_create_file(s, &attr_pmc3);
if (cur_cpu_spec->num_pmcs >= 4)
sysdev_create_file(s, &attr_pmc4);
if (cur_cpu_spec->num_pmcs >= 5)
sysdev_create_file(s, &attr_pmc5);
if (cur_cpu_spec->num_pmcs >= 6)
sysdev_create_file(s, &attr_pmc6);
if (cur_cpu_spec->num_pmcs >= 7)
sysdev_create_file(s, &attr_pmc7);
if (cur_cpu_spec->num_pmcs >= 8)
sysdev_create_file(s, &attr_pmc8);
}
if (cpu_has_feature(CPU_FTR_SMT))
sysdev_create_file(s, &attr_purr);
}
@ -252,17 +257,22 @@ static void unregister_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_MMCRA))
sysdev_remove_file(s, &attr_mmcra);
sysdev_remove_file(s, &attr_pmc1);
sysdev_remove_file(s, &attr_pmc2);
sysdev_remove_file(s, &attr_pmc3);
sysdev_remove_file(s, &attr_pmc4);
sysdev_remove_file(s, &attr_pmc5);
sysdev_remove_file(s, &attr_pmc6);
if (cpu_has_feature(CPU_FTR_PMC8)) {
if (cur_cpu_spec->num_pmcs >= 1)
sysdev_remove_file(s, &attr_pmc1);
if (cur_cpu_spec->num_pmcs >= 2)
sysdev_remove_file(s, &attr_pmc2);
if (cur_cpu_spec->num_pmcs >= 3)
sysdev_remove_file(s, &attr_pmc3);
if (cur_cpu_spec->num_pmcs >= 4)
sysdev_remove_file(s, &attr_pmc4);
if (cur_cpu_spec->num_pmcs >= 5)
sysdev_remove_file(s, &attr_pmc5);
if (cur_cpu_spec->num_pmcs >= 6)
sysdev_remove_file(s, &attr_pmc6);
if (cur_cpu_spec->num_pmcs >= 7)
sysdev_remove_file(s, &attr_pmc7);
if (cur_cpu_spec->num_pmcs >= 8)
sysdev_remove_file(s, &attr_pmc8);
}
if (cpu_has_feature(CPU_FTR_SMT))
sysdev_remove_file(s, &attr_purr);

1
arch/ppc64/kernel/time.c
Просмотреть файл

@ -51,7 +51,6 @@
#include <linux/cpu.h>
#include <linux/security.h>
#include <asm/segment.h>
#include <asm/io.h>
#include <asm/processor.h>
#include <asm/nvram.h>

300
arch/ppc64/kernel/udbg.c
Просмотреть файл

@ -1,5 +1,5 @@
/*
* NS16550 Serial Port (uart) debugging stuff.
* polling mode stateless debugging stuff, originally for NS16550 Serial Ports
*
* c 2001 PPC 64 Team, IBM Corp
*
@ -13,249 +13,24 @@
#define WANT_PPCDBG_TAB /* Only defined here */
#include <linux/config.h>
#include <linux/types.h>
#include <linux/sched.h>
#include <linux/console.h>
#include <asm/ppcdebug.h>
#include <asm/processor.h>
#include <asm/uaccess.h>
#include <asm/machdep.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pmac_feature.h>
extern u8 real_readb(volatile u8 __iomem *addr);
extern void real_writeb(u8 data, volatile u8 __iomem *addr);
struct NS16550 {
/* this struct must be packed */
unsigned char rbr; /* 0 */
unsigned char ier; /* 1 */
unsigned char fcr; /* 2 */
unsigned char lcr; /* 3 */
unsigned char mcr; /* 4 */
unsigned char lsr; /* 5 */
unsigned char msr; /* 6 */
unsigned char scr; /* 7 */
};
#define thr rbr
#define iir fcr
#define dll rbr
#define dlm ier
#define dlab lcr
#define LSR_DR 0x01 /* Data ready */
#define LSR_OE 0x02 /* Overrun */
#define LSR_PE 0x04 /* Parity error */
#define LSR_FE 0x08 /* Framing error */
#define LSR_BI 0x10 /* Break */
#define LSR_THRE 0x20 /* Xmit holding register empty */
#define LSR_TEMT 0x40 /* Xmitter empty */
#define LSR_ERR 0x80 /* Error */
static volatile struct NS16550 __iomem *udbg_comport;
void udbg_init_uart(void __iomem *comport, unsigned int speed)
{
u16 dll = speed ? (115200 / speed) : 12;
if (comport) {
udbg_comport = (struct NS16550 __iomem *)comport;
out_8(&udbg_comport->lcr, 0x00);
out_8(&udbg_comport->ier, 0xff);
out_8(&udbg_comport->ier, 0x00);
out_8(&udbg_comport->lcr, 0x80); /* Access baud rate */
out_8(&udbg_comport->dll, dll & 0xff); /* 1 = 115200, 2 = 57600,
3 = 38400, 12 = 9600 baud */
out_8(&udbg_comport->dlm, dll >> 8); /* dll >> 8 which should be zero
for fast rates; */
out_8(&udbg_comport->lcr, 0x03); /* 8 data, 1 stop, no parity */
out_8(&udbg_comport->mcr, 0x03); /* RTS/DTR */
out_8(&udbg_comport->fcr ,0x07); /* Clear & enable FIFOs */
}
}
#ifdef CONFIG_PPC_PMAC
#define SCC_TXRDY 4
#define SCC_RXRDY 1
static volatile u8 __iomem *sccc;
static volatile u8 __iomem *sccd;
static unsigned char scc_inittab[] = {
13, 0, /* set baud rate divisor */
12, 0,
14, 1, /* baud rate gen enable, src=rtxc */
11, 0x50, /* clocks = br gen */
5, 0xea, /* tx 8 bits, assert DTR & RTS */
4, 0x46, /* x16 clock, 1 stop */
3, 0xc1, /* rx enable, 8 bits */
};
void udbg_init_scc(struct device_node *np)
{
u32 *reg;
unsigned long addr;
int i, x;
if (np == NULL)
np = of_find_node_by_name(NULL, "escc");
if (np == NULL || np->parent == NULL)
return;
udbg_printf("found SCC...\n");
/* Get address within mac-io ASIC */
reg = (u32 *)get_property(np, "reg", NULL);
if (reg == NULL)
return;
addr = reg[0];
udbg_printf("local addr: %lx\n", addr);
/* Get address of mac-io PCI itself */
reg = (u32 *)get_property(np->parent, "assigned-addresses", NULL);
if (reg == NULL)
return;
addr += reg[2];
udbg_printf("final addr: %lx\n", addr);
/* Setup for 57600 8N1 */
addr += 0x20;
sccc = (volatile u8 * __iomem) ioremap(addr & PAGE_MASK, PAGE_SIZE) ;
sccc += addr & ~PAGE_MASK;
sccd = sccc + 0x10;
udbg_printf("ioremap result sccc: %p\n", sccc);
mb();
for (i = 20000; i != 0; --i)
x = in_8(sccc);
out_8(sccc, 0x09); /* reset A or B side */
out_8(sccc, 0xc0);
for (i = 0; i < sizeof(scc_inittab); ++i)
out_8(sccc, scc_inittab[i]);
ppc_md.udbg_putc = udbg_putc;
ppc_md.udbg_getc = udbg_getc;
ppc_md.udbg_getc_poll = udbg_getc_poll;
udbg_puts("Hello World !\n");
}
#endif /* CONFIG_PPC_PMAC */
#ifdef CONFIG_PPC_PMAC
static void udbg_real_putc(unsigned char c)
{
while ((real_readb(sccc) & SCC_TXRDY) == 0)
;
real_writeb(c, sccd);
if (c == '\n')
udbg_real_putc('\r');
}
void udbg_init_pmac_realmode(void)
{
sccc = (volatile u8 __iomem *)0x80013020ul;
sccd = (volatile u8 __iomem *)0x80013030ul;
ppc_md.udbg_putc = udbg_real_putc;
ppc_md.udbg_getc = NULL;
ppc_md.udbg_getc_poll = NULL;
}
#endif /* CONFIG_PPC_PMAC */
#ifdef CONFIG_PPC_MAPLE
void udbg_maple_real_putc(unsigned char c)
{
if (udbg_comport) {
while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
real_writeb(c, &udbg_comport->thr); eieio();
if (c == '\n') {
/* Also put a CR. This is for convenience. */
while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
real_writeb('\r', &udbg_comport->thr); eieio();
}
}
}
void udbg_init_maple_realmode(void)
{
udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8;
ppc_md.udbg_putc = udbg_maple_real_putc;
ppc_md.udbg_getc = NULL;
ppc_md.udbg_getc_poll = NULL;
}
#endif /* CONFIG_PPC_MAPLE */
void udbg_putc(unsigned char c)
{
if (udbg_comport) {
while ((in_8(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
out_8(&udbg_comport->thr, c);
if (c == '\n') {
/* Also put a CR. This is for convenience. */
while ((in_8(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
out_8(&udbg_comport->thr, '\r');
}
}
#ifdef CONFIG_PPC_PMAC
else if (sccc) {
while ((in_8(sccc) & SCC_TXRDY) == 0)
;
out_8(sccd, c);
if (c == '\n')
udbg_putc('\r');
}
#endif /* CONFIG_PPC_PMAC */
}
int udbg_getc_poll(void)
{
if (udbg_comport) {
if ((in_8(&udbg_comport->lsr) & LSR_DR) != 0)
return in_8(&udbg_comport->rbr);
else
return -1;
}
#ifdef CONFIG_PPC_PMAC
else if (sccc) {
if ((in_8(sccc) & SCC_RXRDY) != 0)
return in_8(sccd);
else
return -1;
}
#endif /* CONFIG_PPC_PMAC */
return -1;
}
unsigned char udbg_getc(void)
{
if (udbg_comport) {
while ((in_8(&udbg_comport->lsr) & LSR_DR) == 0)
/* wait for char */;
return in_8(&udbg_comport->rbr);
}
#ifdef CONFIG_PPC_PMAC
else if (sccc) {
while ((in_8(sccc) & SCC_RXRDY) == 0)
;
return in_8(sccd);
}
#endif /* CONFIG_PPC_PMAC */
return 0;
}
void (*udbg_putc)(unsigned char c);
unsigned char (*udbg_getc)(void);
int (*udbg_getc_poll)(void);
/* udbg library, used by xmon et al */
void udbg_puts(const char *s)
{
if (ppc_md.udbg_putc) {
if (udbg_putc) {
char c;
if (s && *s != '\0') {
while ((c = *s++) != '\0')
ppc_md.udbg_putc(c);
udbg_putc(c);
}
}
#if 0
@ -270,12 +45,12 @@ int udbg_write(const char *s, int n)
int remain = n;
char c;
if (!ppc_md.udbg_putc)
if (!udbg_putc)
return 0;
if (s && *s != '\0') {
while (((c = *s++) != '\0') && (remain-- > 0)) {
ppc_md.udbg_putc(c);
udbg_putc(c);
}
}
@ -287,12 +62,12 @@ int udbg_read(char *buf, int buflen)
char c, *p = buf;
int i;
if (!ppc_md.udbg_getc)
if (!udbg_getc)
return 0;
for (i = 0; i < buflen; ++i) {
do {
c = ppc_md.udbg_getc();
c = udbg_getc();
} while (c == 0x11 || c == 0x13);
if (c == 0)
break;
@ -302,11 +77,6 @@ int udbg_read(char *buf, int buflen)
return i;
}
void udbg_console_write(struct console *con, const char *s, unsigned int n)
{
udbg_write(s, n);
}
#define UDBG_BUFSIZE 256
void udbg_printf(const char *fmt, ...)
{
@ -319,6 +89,10 @@ void udbg_printf(const char *fmt, ...)
va_end(args);
}
/* PPCDBG stuff */
u64 ppc64_debug_switch;
/* Special print used by PPCDBG() macro */
void udbg_ppcdbg(unsigned long debug_flags, const char *fmt, ...)
{
@ -358,3 +132,43 @@ unsigned long udbg_ifdebug(unsigned long flags)
{
return (flags & ppc64_debug_switch);
}
/*
* Initialize the PPCDBG state. Called before relocation has been enabled.
*/
void __init ppcdbg_initialize(void)
{
ppc64_debug_switch = PPC_DEBUG_DEFAULT; /* | PPCDBG_BUSWALK | */
/* PPCDBG_PHBINIT | PPCDBG_MM | PPCDBG_MMINIT | PPCDBG_TCEINIT | PPCDBG_TCE */;
}
/*
* Early boot console based on udbg
*/
static void udbg_console_write(struct console *con, const char *s,
unsigned int n)
{
udbg_write(s, n);
}
static struct console udbg_console = {
.name = "udbg",
.write = udbg_console_write,
.flags = CON_PRINTBUFFER,
.index = -1,
};
void __init disable_early_printk(void)
{
unregister_console(&udbg_console);
}
/* called by setup_system */
void register_early_udbg_console(void)
{
register_console(&udbg_console);
}
#if 0 /* if you want to use this as a regular output console */
console_initcall(register_udbg_console);
#endif

123
arch/ppc64/kernel/udbg_16550.c Normal file
Просмотреть файл

@ -0,0 +1,123 @@
/*
* udbg for for NS16550 compatable serial ports
*
* Copyright (C) 2001-2005 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/config.h>
#include <linux/types.h>
#include <asm/udbg.h>
#include <asm/io.h>
extern u8 real_readb(volatile u8 __iomem *addr);
extern void real_writeb(u8 data, volatile u8 __iomem *addr);
struct NS16550 {
/* this struct must be packed */
unsigned char rbr; /* 0 */
unsigned char ier; /* 1 */
unsigned char fcr; /* 2 */
unsigned char lcr; /* 3 */
unsigned char mcr; /* 4 */
unsigned char lsr; /* 5 */
unsigned char msr; /* 6 */
unsigned char scr; /* 7 */
};
#define thr rbr
#define iir fcr
#define dll rbr
#define dlm ier
#define dlab lcr
#define LSR_DR 0x01 /* Data ready */
#define LSR_OE 0x02 /* Overrun */
#define LSR_PE 0x04 /* Parity error */
#define LSR_FE 0x08 /* Framing error */
#define LSR_BI 0x10 /* Break */
#define LSR_THRE 0x20 /* Xmit holding register empty */
#define LSR_TEMT 0x40 /* Xmitter empty */
#define LSR_ERR 0x80 /* Error */
static volatile struct NS16550 __iomem *udbg_comport;
static void udbg_550_putc(unsigned char c)
{
if (udbg_comport) {
while ((in_8(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
out_8(&udbg_comport->thr, c);
if (c == '\n')
udbg_550_putc('\r');
}
}
static int udbg_550_getc_poll(void)
{
if (udbg_comport) {
if ((in_8(&udbg_comport->lsr) & LSR_DR) != 0)
return in_8(&udbg_comport->rbr);
else
return -1;
}
return -1;
}
static unsigned char udbg_550_getc(void)
{
if (udbg_comport) {
while ((in_8(&udbg_comport->lsr) & LSR_DR) == 0)
/* wait for char */;
return in_8(&udbg_comport->rbr);
}
return 0;
}
void udbg_init_uart(void __iomem *comport, unsigned int speed)
{
u16 dll = speed ? (115200 / speed) : 12;
if (comport) {
udbg_comport = (struct NS16550 __iomem *)comport;
out_8(&udbg_comport->lcr, 0x00);
out_8(&udbg_comport->ier, 0xff);
out_8(&udbg_comport->ier, 0x00);
out_8(&udbg_comport->lcr, 0x80); /* Access baud rate */
out_8(&udbg_comport->dll, dll & 0xff); /* 1 = 115200, 2 = 57600,
3 = 38400, 12 = 9600 baud */
out_8(&udbg_comport->dlm, dll >> 8); /* dll >> 8 which should be zero
for fast rates; */
out_8(&udbg_comport->lcr, 0x03); /* 8 data, 1 stop, no parity */
out_8(&udbg_comport->mcr, 0x03); /* RTS/DTR */
out_8(&udbg_comport->fcr ,0x07); /* Clear & enable FIFOs */
udbg_putc = udbg_550_putc;
udbg_getc = udbg_550_getc;
udbg_getc_poll = udbg_550_getc_poll;
}
}
#ifdef CONFIG_PPC_MAPLE
void udbg_maple_real_putc(unsigned char c)
{
if (udbg_comport) {
while ((real_readb(&udbg_comport->lsr) & LSR_THRE) == 0)
/* wait for idle */;
real_writeb(c, &udbg_comport->thr); eieio();
if (c == '\n')
udbg_maple_real_putc('\r');
}
}
void udbg_init_maple_realmode(void)
{
udbg_comport = (volatile struct NS16550 __iomem *)0xf40003f8;
udbg_putc = udbg_maple_real_putc;
udbg_getc = NULL;
udbg_getc_poll = NULL;
}
#endif /* CONFIG_PPC_MAPLE */

136
arch/ppc64/kernel/udbg_scc.c Normal file
Просмотреть файл

@ -0,0 +1,136 @@
/*
* udbg for for zilog scc ports as found on Apple PowerMacs
*
* Copyright (C) 2001-2005 PPC 64 Team, IBM Corp
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/config.h>
#include <linux/types.h>
#include <asm/udbg.h>
#include <asm/processor.h>
#include <asm/naca.h>
#include <asm/io.h>
#include <asm/prom.h>
#include <asm/pmac_feature.h>
extern u8 real_readb(volatile u8 __iomem *addr);
extern void real_writeb(u8 data, volatile u8 __iomem *addr);
#define SCC_TXRDY 4
#define SCC_RXRDY 1
static volatile u8 __iomem *sccc;
static volatile u8 __iomem *sccd;
static void udbg_scc_putc(unsigned char c)
{
if (sccc) {
while ((in_8(sccc) & SCC_TXRDY) == 0)
;
out_8(sccd, c);
if (c == '\n')
udbg_scc_putc('\r');
}
}
static int udbg_scc_getc_poll(void)
{
if (sccc) {
if ((in_8(sccc) & SCC_RXRDY) != 0)
return in_8(sccd);
else
return -1;
}
return -1;
}
static unsigned char udbg_scc_getc(void)
{
if (sccc) {
while ((in_8(sccc) & SCC_RXRDY) == 0)
;
return in_8(sccd);
}
return 0;
}
static unsigned char scc_inittab[] = {
13, 0, /* set baud rate divisor */
12, 0,
14, 1, /* baud rate gen enable, src=rtxc */
11, 0x50, /* clocks = br gen */
5, 0xea, /* tx 8 bits, assert DTR & RTS */
4, 0x46, /* x16 clock, 1 stop */
3, 0xc1, /* rx enable, 8 bits */
};
void udbg_init_scc(struct device_node *np)
{
u32 *reg;
unsigned long addr;
int i, x;
if (np == NULL)
np = of_find_node_by_name(NULL, "escc");
if (np == NULL || np->parent == NULL)
return;
udbg_printf("found SCC...\n");
/* Get address within mac-io ASIC */
reg = (u32 *)get_property(np, "reg", NULL);
if (reg == NULL)
return;
addr = reg[0];
udbg_printf("local addr: %lx\n", addr);
/* Get address of mac-io PCI itself */
reg = (u32 *)get_property(np->parent, "assigned-addresses", NULL);
if (reg == NULL)
return;
addr += reg[2];
udbg_printf("final addr: %lx\n", addr);
/* Setup for 57600 8N1 */
addr += 0x20;
sccc = (volatile u8 * __iomem) ioremap(addr & PAGE_MASK, PAGE_SIZE) ;
sccc += addr & ~PAGE_MASK;
sccd = sccc + 0x10;
udbg_printf("ioremap result sccc: %p\n", sccc);
mb();
for (i = 20000; i != 0; --i)
x = in_8(sccc);
out_8(sccc, 0x09); /* reset A or B side */
out_8(sccc, 0xc0);
for (i = 0; i < sizeof(scc_inittab); ++i)
out_8(sccc, scc_inittab[i]);
udbg_putc = udbg_scc_putc;
udbg_getc = udbg_scc_getc;
udbg_getc_poll = udbg_scc_getc_poll;
udbg_puts("Hello World !\n");
}
static void udbg_real_scc_putc(unsigned char c)
{
while ((real_readb(sccc) & SCC_TXRDY) == 0)
;
real_writeb(c, sccd);
if (c == '\n')
udbg_real_scc_putc('\r');
}
void udbg_init_pmac_realmode(void)
{
sccc = (volatile u8 __iomem *)0x80013020ul;
sccd = (volatile u8 __iomem *)0x80013030ul;
udbg_putc = udbg_real_scc_putc;
udbg_getc = NULL;
udbg_getc_poll = NULL;
}

6
arch/ppc64/mm/hugetlbpage.c
Просмотреть файл

@ -144,7 +144,8 @@ static void flush_low_segments(void *parm)
for (i = 0; i < NUM_LOW_AREAS; i++) {
if (! (areas & (1U << i)))
continue;
asm volatile("slbie %0" : : "r" (i << SID_SHIFT));
asm volatile("slbie %0"
: : "r" ((i << SID_SHIFT) | SLBIE_C));
}
asm volatile("isync" : : : "memory");
@ -164,7 +165,8 @@ static void flush_high_segments(void *parm)
continue;
for (j = 0; j < (1UL << (HTLB_AREA_SHIFT-SID_SHIFT)); j++)
asm volatile("slbie %0"
:: "r" ((i << HTLB_AREA_SHIFT) + (j << SID_SHIFT)));
:: "r" (((i << HTLB_AREA_SHIFT)
+ (j << SID_SHIFT)) | SLBIE_C));
}
asm volatile("isync" : : : "memory");

1
arch/ppc64/mm/init.c
Просмотреть файл

@ -392,6 +392,7 @@ void free_initmem(void)
addr = (unsigned long)__init_begin;
for (; addr < (unsigned long)__init_end; addr += PAGE_SIZE) {
memset((void *)addr, 0xcc, PAGE_SIZE);
ClearPageReserved(virt_to_page(addr));
set_page_count(virt_to_page(addr), 1);
free_page(addr);

4
arch/ppc64/mm/slb.c
Просмотреть файл

@ -87,8 +87,8 @@ void switch_slb(struct task_struct *tsk, struct mm_struct *mm)
int i;
asm volatile("isync" : : : "memory");
for (i = 0; i < offset; i++) {
esid_data = (unsigned long)get_paca()->slb_cache[i]
<< SID_SHIFT;
esid_data = ((unsigned long)get_paca()->slb_cache[i]
<< SID_SHIFT) | SLBIE_C;
asm volatile("slbie %0" : : "r" (esid_data));
}
asm volatile("isync" : : : "memory");

56
arch/ppc64/oprofile/common.c
Просмотреть файл

@ -16,11 +16,9 @@
#include <asm/ptrace.h>
#include <asm/system.h>
#include <asm/pmc.h>
#include <asm/cputable.h>
#include <asm/oprofile_impl.h>
#include "op_impl.h"
extern struct op_ppc64_model op_model_rs64;
extern struct op_ppc64_model op_model_power4;
static struct op_ppc64_model *model;
static struct op_counter_config ctr[OP_MAX_COUNTER];
@ -123,53 +121,13 @@ static int op_ppc64_create_files(struct super_block *sb, struct dentry *root)
int __init oprofile_arch_init(struct oprofile_operations *ops)
{
unsigned int pvr;
if (!cur_cpu_spec->oprofile_model || !cur_cpu_spec->oprofile_cpu_type)
return -ENODEV;
pvr = mfspr(SPRN_PVR);
switch (PVR_VER(pvr)) {
case PV_630:
case PV_630p:
model = &op_model_rs64;
model->num_counters = 8;
ops->cpu_type = "ppc64/power3";
break;
case PV_NORTHSTAR:
case PV_PULSAR:
case PV_ICESTAR:
case PV_SSTAR:
model = &op_model_rs64;
model->num_counters = 8;
ops->cpu_type = "ppc64/rs64";
break;
case PV_POWER4:
case PV_POWER4p:
model = &op_model_power4;
model->num_counters = 8;
ops->cpu_type = "ppc64/power4";
break;
case PV_970:
case PV_970FX:
case PV_970MP:
model = &op_model_power4;
model->num_counters = 8;
ops->cpu_type = "ppc64/970";
break;
case PV_POWER5:
case PV_POWER5p:
model = &op_model_power4;
model->num_counters = 6;
ops->cpu_type = "ppc64/power5";
break;
default:
return -ENODEV;
}
model = cur_cpu_spec->oprofile_model;
model->num_counters = cur_cpu_spec->num_pmcs;
ops->cpu_type = cur_cpu_spec->oprofile_cpu_type;
ops->create_files = op_ppc64_create_files;
ops->setup = op_ppc64_setup;
ops->shutdown = op_ppc64_shutdown;

12
arch/ppc64/oprofile/op_model_power4.c
Просмотреть файл

@ -16,14 +16,12 @@
#include <asm/cputable.h>
#include <asm/systemcfg.h>
#include <asm/rtas.h>
#include <asm/oprofile_impl.h>
#define dbg(args...)
#include "op_impl.h"
static unsigned long reset_value[OP_MAX_COUNTER];
static int num_counters;
static int oprofile_running;
static int mmcra_has_sihv;
@ -45,8 +43,6 @@ static void power4_reg_setup(struct op_counter_config *ctr,
{
int i;
num_counters = num_ctrs;
/*
* SIHV / SIPR bits are only implemented on POWER4+ (GQ) and above.
* However we disable it on all POWER4 until we verify it works
@ -68,7 +64,7 @@ static void power4_reg_setup(struct op_counter_config *ctr,
backtrace_spinlocks = sys->backtrace_spinlocks;
for (i = 0; i < num_counters; ++i)
for (i = 0; i < cur_cpu_spec->num_pmcs; ++i)
reset_value[i] = 0x80000000UL - ctr[i].count;
/* setup user and kernel profiling */
@ -121,7 +117,7 @@ static void power4_start(struct op_counter_config *ctr)
/* set the PMM bit (see comment below) */
mtmsrd(mfmsr() | MSR_PMM);
for (i = 0; i < num_counters; ++i) {
for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) {
if (ctr[i].enabled) {
ctr_write(i, reset_value[i]);
} else {
@ -272,7 +268,7 @@ static void power4_handle_interrupt(struct pt_regs *regs,
/* set the PMM bit (see comment below) */
mtmsrd(mfmsr() | MSR_PMM);
for (i = 0; i < num_counters; ++i) {
for (i = 0; i < cur_cpu_spec->num_pmcs; ++i) {
val = ctr_read(i);
if (val < 0) {
if (oprofile_running && ctr[i].enabled) {

3
arch/ppc64/oprofile/op_model_rs64.c
Просмотреть файл

@ -14,11 +14,10 @@
#include <asm/system.h>
#include <asm/processor.h>
#include <asm/cputable.h>
#include <asm/oprofile_impl.h>
#define dbg(args...)
#include "op_impl.h"
static void ctrl_write(unsigned int i, unsigned int val)
{
unsigned int tmp = 0;

4
arch/ppc64/xmon/start.c
Просмотреть файл

@ -61,7 +61,9 @@ xmon_read(void *handle, void *ptr, int nb)
int
xmon_read_poll(void)
{
return udbg_getc_poll();
if (udbg_getc_poll)
return udbg_getc_poll();
return -1;
}
FILE *xmon_stdin;

18
include/asm-powerpc/bugs.h Normal file
Просмотреть файл

@ -0,0 +1,18 @@
#ifndef _POWERPC_BUGS_H
#define _POWERPC_BUGS_H
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
/*
* This file is included by 'init/main.c' to check for
* architecture-dependent bugs.
*/
extern void check_bugs(void);
#endif /* _POWERPC_BUGS_H */

10
include/asm-ppc64/mc146818rtc.h → include/asm-powerpc/mc146818rtc.h
Просмотреть файл

@ -1,3 +1,6 @@
#ifndef _POWERPC_MC146818RTC_H
#define _POWERPC_MC146818RTC_H
/*
* Machine dependent access functions for RTC registers.
*
@ -6,8 +9,8 @@
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef __ASM_PPC64_MC146818RTC_H
#define __ASM_PPC64_MC146818RTC_H
#ifdef __KERNEL__
#include <asm/io.h>
@ -29,4 +32,5 @@ outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#endif /* __ASM_PPC64_MC146818RTC_H */
#endif /* __KERNEL__ */
#endif /* _POWERPC_MC146818RTC_H */

6
include/asm-ppc64/mman.h → include/asm-powerpc/mman.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef __PPC64_MMAN_H__
#define __PPC64_MMAN_H__
#ifndef _POWERPC_MMAN_H
#define _POWERPC_MMAN_H
/*
* This program is free software; you can redistribute it and/or
@ -49,4 +49,4 @@
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FILE 0
#endif /* __PPC64_MMAN_H__ */
#endif /* _POWERPC_MMAN_H */

77
include/asm-powerpc/module.h Normal file
Просмотреть файл

@ -0,0 +1,77 @@
#ifndef _POWERPC_MODULE_H
#define _POWERPC_MODULE_H
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/list.h>
#include <asm/bug.h>
#ifndef __powerpc64__
/*
* Thanks to Paul M for explaining this.
*
* PPC can only do rel jumps += 32MB, and often the kernel and other
* modules are furthur away than this. So, we jump to a table of
* trampolines attached to the module (the Procedure Linkage Table)
* whenever that happens.
*/
struct ppc_plt_entry {
/* 16 byte jump instruction sequence (4 instructions) */
unsigned int jump[4];
};
#endif /* __powerpc64__ */
struct mod_arch_specific {
#ifdef __powerpc64__
unsigned int stubs_section; /* Index of stubs section in module */
unsigned int toc_section; /* What section is the TOC? */
#else
/* Indices of PLT sections within module. */
unsigned int core_plt_section;
unsigned int init_plt_section;
#endif
/* List of BUG addresses, source line numbers and filenames */
struct list_head bug_list;
struct bug_entry *bug_table;
unsigned int num_bugs;
};
extern struct bug_entry *module_find_bug(unsigned long bugaddr);
/*
* Select ELF headers.
* Make empty section for module_frob_arch_sections to expand.
*/
#ifdef __powerpc64__
# define Elf_Shdr Elf64_Shdr
# define Elf_Sym Elf64_Sym
# define Elf_Ehdr Elf64_Ehdr
# ifdef MODULE
asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
# endif
#else
# define Elf_Shdr Elf32_Shdr
# define Elf_Sym Elf32_Sym
# define Elf_Ehdr Elf32_Ehdr
# ifdef MODULE
asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
# endif /* MODULE */
#endif
struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
#endif /* _POWERPC_MODULE_H */

31
include/asm-ppc64/sembuf.h → include/asm-powerpc/sembuf.h
Просмотреть файл

@ -1,27 +1,36 @@
#ifndef _PPC64_SEMBUF_H
#define _PPC64_SEMBUF_H
#ifndef _POWERPC_SEMBUF_H
#define _POWERPC_SEMBUF_H
/*
* The semid64_ds structure for PPC architecture.
*
*
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
/*
* The semid64_ds structure for PPC architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 2 miscellaneous 64-bit values
* - 64-bit time_t to solve y2038 problem
* - 2 miscellaneous 32-bit values
*/
struct semid64_ds {
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
#ifndef __powerpc64__
unsigned long __unused1;
#endif
__kernel_time_t sem_otime; /* last semop time */
#ifndef __powerpc64__
unsigned long __unused2;
#endif
__kernel_time_t sem_ctime; /* last change time */
unsigned long sem_nsems; /* no. of semaphores in array */
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _PPC64_SEMBUF_H */
#endif /* _POWERPC_SEMBUF_H */

42
include/asm-ppc64/shmbuf.h → include/asm-powerpc/shmbuf.h
Просмотреть файл

@ -1,31 +1,47 @@
#ifndef _PPC64_SHMBUF_H
#define _PPC64_SHMBUF_H
#ifndef _POWERPC_SHMBUF_H
#define _POWERPC_SHMBUF_H
/*
* The shmid64_ds structure for PPC64 architecture.
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 2 miscellaneous 64-bit values
*
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
/*
* The shmid64_ds structure for PPC architecture.
*
* Note extra padding because this structure is passed back and forth
* between kernel and user space.
*
* Pad space is left for:
* - 64-bit time_t to solve y2038 problem
* - 2 miscellaneous 32-bit values
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
#ifndef __power64__
unsigned long __unused1;
#endif
__kernel_time_t shm_atime; /* last attach time */
#ifndef __power64__
unsigned long __unused2;
#endif
__kernel_time_t shm_dtime; /* last detach time */
#ifndef __power64__
unsigned long __unused3;
#endif
__kernel_time_t shm_ctime; /* last change time */
#ifndef __power64__
unsigned long __unused4;
#endif
size_t shm_segsz; /* size of segment (bytes) */
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused5;
unsigned long __unused6;
};
struct shminfo64 {
@ -40,4 +56,4 @@ struct shminfo64 {
unsigned long __unused4;
};
#endif /* _PPC64_SHMBUF_H */
#endif /* _POWERPC_SHMBUF_H */

12
include/asm-ppc64/siginfo.h → include/asm-powerpc/siginfo.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef _PPC64_SIGINFO_H
#define _PPC64_SIGINFO_H
#ifndef _POWERPC_SIGINFO_H
#define _POWERPC_SIGINFO_H
/*
* This program is free software; you can redistribute it and/or
@ -8,9 +8,11 @@
* 2 of the License, or (at your option) any later version.
*/
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3)
#ifdef __powerpc64__
# define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
# define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3)
#endif
#include <asm-generic/siginfo.h>
#endif /* _PPC64_SIGINFO_H */
#endif /* _POWERPC_SIGINFO_H */

12
include/asm-ppc64/socket.h → include/asm-powerpc/socket.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef _ASM_SOCKET_H
#define _ASM_SOCKET_H
#ifndef _POWERPC_SOCKET_H
#define _POWERPC_SOCKET_H
/*
* This program is free software; you can redistribute it and/or
@ -10,7 +10,7 @@
#include <asm/sockios.h>
/* For setsockoptions(2) */
/* For setsockopt(2) */
#define SOL_SOCKET 1
#define SO_DEBUG 1
@ -52,8 +52,8 @@
#define SO_TIMESTAMP 29
#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_ACCEPTCONN 30
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
#define SO_PEERSEC 31
#endif /* _ASM_SOCKET_H */
#endif /* _POWERPC_SOCKET_H */

6
include/asm-ppc64/sockios.h → include/asm-powerpc/sockios.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef _ASM_PPC64_SOCKIOS_H
#define _ASM_PPC64_SOCKIOS_H
#ifndef _POWERPC_SOCKIOS_H
#define _POWERPC_SOCKIOS_H
/*
* This program is free software; you can redistribute it and/or
@ -16,4 +16,4 @@
#define SIOCATMARK 0x8905
#define SIOCGSTAMP 0x8906 /* Get stamp */
#endif /* _ASM_PPC64_SOCKIOS_H */
#endif /* _POWERPC_SOCKIOS_H */

8
include/asm-ppc64/termbits.h → include/asm-powerpc/termbits.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef _PPC64_TERMBITS_H
#define _PPC64_TERMBITS_H
#ifndef _POWERPC_TERMBITS_H
#define _POWERPC_TERMBITS_H
/*
* This program is free software; you can redistribute it and/or
@ -8,8 +8,6 @@
* 2 of the License, or (at your option) any later version.
*/
#include <linux/posix_types.h>
typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
@ -190,4 +188,4 @@ struct termios {
#define TCSADRAIN 1
#define TCSAFLUSH 2
#endif /* _PPC64_TERMBITS_H */
#endif /* _POWERPC_TERMBITS_H */

7
include/asm-ppc64/termios.h → include/asm-powerpc/termios.h
Просмотреть файл

@ -1,5 +1,5 @@
#ifndef _PPC64_TERMIOS_H
#define _PPC64_TERMIOS_H
#ifndef _POWERPC_TERMIOS_H
#define _POWERPC_TERMIOS_H
/*
* Liberally adapted from alpha/termios.h. In particular, the c_cc[]
@ -87,6 +87,7 @@ struct termio {
#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */
#define N_HDLC 13 /* synchronous HDLC */
#define N_SYNC_PPP 14
#define N_HCI 15 /* Bluetooth HCI UART */
#ifdef __KERNEL__
/* ^C ^\ del ^U ^D 1 0 0 0 0 ^W ^R ^Z ^Q ^S ^V ^U */
@ -232,4 +233,4 @@ struct termio {
#endif /* __KERNEL__ */
#endif /* _PPC64_TERMIOS_H */
#endif /* _POWERPC_TERMIOS_H */

6
include/asm-ppc/bugs.h
Просмотреть файл

@ -1,6 +0,0 @@
/*
* This file is included by 'init/main.c'
*/
extern void
check_bugs(void);

31
include/asm-ppc/mc146818rtc.h
Просмотреть файл

@ -1,31 +0,0 @@
/*
* Machine dependent access functions for RTC registers.
*/
#ifdef __KERNEL__
#ifndef __ASM_PPC_MC146818RTC_H
#define __ASM_PPC_MC146818RTC_H
#include <asm/io.h>
#ifndef RTC_PORT
#define RTC_PORT(x) (0x70 + (x))
#define RTC_ALWAYS_BCD 1 /* RTC operates in binary mode */
#endif
/*
* The yet supported machines all access the RTC index register via
* an ISA port access but the way to access the date register differs ...
*/
#define CMOS_READ(addr) ({ \
outb_p((addr),RTC_PORT(0)); \
inb_p(RTC_PORT(1)); \
})
#define CMOS_WRITE(val, addr) ({ \
outb_p((addr),RTC_PORT(0)); \
outb_p((val),RTC_PORT(1)); \
})
#define RTC_IRQ 8
#endif /* __ASM_PPC_MC146818RTC_H */
#endif /* __KERNEL__ */

44
include/asm-ppc/mman.h
Просмотреть файл

@ -1,44 +0,0 @@
#ifndef __PPC_MMAN_H__
#define __PPC_MMAN_H__
#define PROT_READ 0x1 /* page can be read */
#define PROT_WRITE 0x2 /* page can be written */
#define PROT_EXEC 0x4 /* page can be executed */
#define PROT_SEM 0x8 /* page may be used for atomic ops */
#define PROT_NONE 0x0 /* page can not be accessed */
#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */
#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */
#define MAP_SHARED 0x01 /* Share changes */
#define MAP_PRIVATE 0x02 /* Changes are private */
#define MAP_TYPE 0x0f /* Mask for type of mapping */
#define MAP_FIXED 0x10 /* Interpret addr exactly */
#define MAP_ANONYMOUS 0x20 /* don't use a file */
#define MAP_RENAME MAP_ANONYMOUS /* In SunOS terminology */
#define MAP_NORESERVE 0x40 /* don't reserve swap pages */
#define MAP_LOCKED 0x80
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
#define MAP_NONBLOCK 0x10000 /* do not block on IO */
#define MS_ASYNC 1 /* sync memory asynchronously */
#define MS_INVALIDATE 2 /* invalidate the caches */
#define MS_SYNC 4 /* synchronous memory sync */
#define MCL_CURRENT 0x2000 /* lock all currently mapped pages */
#define MCL_FUTURE 0x4000 /* lock all additions to address space */
#define MADV_NORMAL 0x0 /* default page-in behavior */
#define MADV_RANDOM 0x1 /* page-in minimum required */
#define MADV_SEQUENTIAL 0x2 /* read-ahead aggressively */
#define MADV_WILLNEED 0x3 /* pre-fault pages */
#define MADV_DONTNEED 0x4 /* discard these pages */
/* compatibility flags */
#define MAP_ANON MAP_ANONYMOUS
#define MAP_FILE 0
#endif /* __PPC_MMAN_H__ */

44
include/asm-ppc/module.h
Просмотреть файл

@ -1,44 +0,0 @@
#ifndef _ASM_PPC_MODULE_H
#define _ASM_PPC_MODULE_H
/* Module stuff for PPC. (C) 2001 Rusty Russell */
#include <linux/list.h>
#include <asm/bug.h>
/* Thanks to Paul M for explaining this.
PPC can only do rel jumps += 32MB, and often the kernel and other
modules are furthur away than this. So, we jump to a table of
trampolines attached to the module (the Procedure Linkage Table)
whenever that happens.
*/
struct ppc_plt_entry
{
/* 16 byte jump instruction sequence (4 instructions) */
unsigned int jump[4];
};
struct mod_arch_specific
{
/* Indices of PLT sections within module. */
unsigned int core_plt_section, init_plt_section;
/* List of BUG addresses, source line numbers and filenames */
struct list_head bug_list;
struct bug_entry *bug_table;
unsigned int num_bugs;
};
extern struct bug_entry *module_find_bug(unsigned long bugaddr);
#define Elf_Shdr Elf32_Shdr
#define Elf_Sym Elf32_Sym
#define Elf_Ehdr Elf32_Ehdr
/* Make empty sections for module_frob_arch_sections to expand. */
#ifdef MODULE
asm(".section .plt,\"ax\",@nobits; .align 3; .previous");
asm(".section .init.plt,\"ax\",@nobits; .align 3; .previous");
#endif
#endif /* _ASM_PPC_MODULE_H */

1
include/asm-ppc/pmac_feature.h
Просмотреть файл

@ -32,6 +32,7 @@
#define __PPC_ASM_PMAC_FEATURE_H
#include <asm/macio.h>
#include <asm/machdep.h>
/*
* Known Mac motherboard models

19
include/asm-ppc/sembuf.h
Просмотреть файл

@ -1,19 +0,0 @@
#ifndef _PPC_SEMBUF_H
#define _PPC_SEMBUF_H
/*
* The semid64_ds structure for PPC architecture.
*/
struct semid64_ds {
struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
unsigned int __unused1;
__kernel_time_t sem_otime; /* last semop time */
unsigned int __unused2;
__kernel_time_t sem_ctime; /* last change time */
unsigned long sem_nsems; /* no. of semaphores in array */
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _PPC_SEMBUF_H */

37
include/asm-ppc/shmbuf.h
Просмотреть файл

@ -1,37 +0,0 @@
#ifndef _PPC_SHMBUF_H
#define _PPC_SHMBUF_H
/*
* The shmid64_ds structure for PPC architecture.
*/
struct shmid64_ds {
struct ipc64_perm shm_perm; /* operation perms */
unsigned int __unused1;
__kernel_time_t shm_atime; /* last attach time */
unsigned int __unused2;
__kernel_time_t shm_dtime; /* last detach time */
unsigned int __unused3;
__kernel_time_t shm_ctime; /* last change time */
unsigned int __unused4;
size_t shm_segsz; /* size of segment (bytes) */
__kernel_pid_t shm_cpid; /* pid of creator */
__kernel_pid_t shm_lpid; /* pid of last operator */
unsigned long shm_nattch; /* no. of current attaches */
unsigned long __unused5;
unsigned long __unused6;
};
struct shminfo64 {
unsigned long shmmax;
unsigned long shmmin;
unsigned long shmmni;
unsigned long shmseg;
unsigned long shmall;
unsigned long __unused1;
unsigned long __unused2;
unsigned long __unused3;
unsigned long __unused4;
};
#endif /* _PPC_SHMBUF_H */

6
include/asm-ppc/siginfo.h
Просмотреть файл

@ -1,6 +0,0 @@
#ifndef _PPC_SIGINFO_H
#define _PPC_SIGINFO_H
#include <asm-generic/siginfo.h>
#endif

58
include/asm-ppc/socket.h
Просмотреть файл

@ -1,58 +0,0 @@
#ifndef _ASM_SOCKET_H
#define _ASM_SOCKET_H
/* Socket-level I/O control calls. */
#define FIOSETOWN 0x8901
#define SIOCSPGRP 0x8902
#define FIOGETOWN 0x8903
#define SIOCGPGRP 0x8904
#define SIOCATMARK 0x8905
#define SIOCGSTAMP 0x8906 /* Get stamp */
/* For setsockopt(2) */
#define SOL_SOCKET 1
#define SO_DEBUG 1
#define SO_REUSEADDR 2
#define SO_TYPE 3
#define SO_ERROR 4
#define SO_DONTROUTE 5
#define SO_BROADCAST 6
#define SO_SNDBUF 7
#define SO_RCVBUF 8
#define SO_SNDBUFFORCE 32
#define SO_RCVBUFFORCE 33
#define SO_KEEPALIVE 9
#define SO_OOBINLINE 10
#define SO_NO_CHECK 11
#define SO_PRIORITY 12
#define SO_LINGER 13
#define SO_BSDCOMPAT 14
/* To add :#define SO_REUSEPORT 15 */
#define SO_RCVLOWAT 16
#define SO_SNDLOWAT 17
#define SO_RCVTIMEO 18
#define SO_SNDTIMEO 19
#define SO_PASSCRED 20
#define SO_PEERCRED 21
/* Security levels - as per NRL IPv6 - don't actually do anything */
#define SO_SECURITY_AUTHENTICATION 22
#define SO_SECURITY_ENCRYPTION_TRANSPORT 23
#define SO_SECURITY_ENCRYPTION_NETWORK 24
#define SO_BINDTODEVICE 25
/* Socket filtering */
#define SO_ATTACH_FILTER 26
#define SO_DETACH_FILTER 27
#define SO_PEERNAME 28
#define SO_TIMESTAMP 29
#define SCM_TIMESTAMP SO_TIMESTAMP
#define SO_ACCEPTCONN 30
#define SO_PEERSEC 31
#endif /* _ASM_SOCKET_H */

17
include/asm-ppc/sockios.h
Просмотреть файл

@ -1,17 +0,0 @@
#ifndef _ASM_PPC_SOCKIOS_H
#define _ASM_PPC_SOCKIOS_H
#if 0 /* These are defined this way on Alpha - maybe later. */
/* Socket-level I/O control calls. */
#define FIOGETOWN _IOR('f', 123, int)
#define FIOSETOWN _IOW('f', 124, int)
#define SIOCATMARK _IOR('s', 7, int)
#define SIOCSPGRP _IOW('s', 8, pid_t)
#define SIOCGPGRP _IOR('s', 9, pid_t)
#define SIOCGSTAMP 0x8906 /* Get stamp - linux-specific */
#endif
#endif /* _ASM_PPC_SOCKIOS_H */

185
include/asm-ppc/termbits.h
Просмотреть файл

@ -1,185 +0,0 @@
#ifndef _PPC_TERMBITS_H
#define _PPC_TERMBITS_H
typedef unsigned char cc_t;
typedef unsigned int speed_t;
typedef unsigned int tcflag_t;
/*
* termios type and macro definitions. Be careful about adding stuff
* to this file since it's used in GNU libc and there are strict rules
* concerning namespace pollution.
*/
#define NCCS 19
struct termios {
tcflag_t c_iflag; /* input mode flags */
tcflag_t c_oflag; /* output mode flags */
tcflag_t c_cflag; /* control mode flags */
tcflag_t c_lflag; /* local mode flags */
cc_t c_cc[NCCS]; /* control characters */
cc_t c_line; /* line discipline (== c_cc[19]) */
speed_t c_ispeed; /* input speed */
speed_t c_ospeed; /* output speed */
};
/* c_cc characters */
#define VINTR 0
#define VQUIT 1
#define VERASE 2
#define VKILL 3
#define VEOF 4
#define VMIN 5
#define VEOL 6
#define VTIME 7
#define VEOL2 8
#define VSWTC 9
#define VWERASE 10
#define VREPRINT 11
#define VSUSP 12
#define VSTART 13
#define VSTOP 14
#define VLNEXT 15
#define VDISCARD 16
/* c_iflag bits */
#define IGNBRK 0000001
#define BRKINT 0000002
#define IGNPAR 0000004
#define PARMRK 0000010
#define INPCK 0000020
#define ISTRIP 0000040
#define INLCR 0000100
#define IGNCR 0000200
#define ICRNL 0000400
#define IXON 0001000
#define IXOFF 0002000
#define IXANY 0004000
#define IUCLC 0010000
#define IMAXBEL 0020000
#define IUTF8 0040000
/* c_oflag bits */
#define OPOST 0000001
#define ONLCR 0000002
#define OLCUC 0000004
#define OCRNL 0000010
#define ONOCR 0000020
#define ONLRET 0000040
#define OFILL 00000100
#define OFDEL 00000200
#define NLDLY 00001400
#define NL0 00000000
#define NL1 00000400
#define NL2 00001000
#define NL3 00001400
#define TABDLY 00006000
#define TAB0 00000000
#define TAB1 00002000
#define TAB2 00004000
#define TAB3 00006000
#define XTABS 00006000 /* required by POSIX to == TAB3 */
#define CRDLY 00030000
#define CR0 00000000
#define CR1 00010000
#define CR2 00020000
#define CR3 00030000
#define FFDLY 00040000
#define FF0 00000000
#define FF1 00040000
#define BSDLY 00100000
#define BS0 00000000
#define BS1 00100000
#define VTDLY 00200000
#define VT0 00000000
#define VT1 00200000
/* c_cflag bit meaning */
#define CBAUD 0000377
#define B0 0000000 /* hang up */
#define B50 0000001
#define B75 0000002
#define B110 0000003
#define B134 0000004
#define B150 0000005
#define B200 0000006
#define B300 0000007
#define B600 0000010
#define B1200 0000011
#define B1800 0000012
#define B2400 0000013
#define B4800 0000014
#define B9600 0000015
#define B19200 0000016
#define B38400 0000017
#define EXTA B19200
#define EXTB B38400
#define CBAUDEX 0000000
#define B57600 00020
#define B115200 00021
#define B230400 00022
#define B460800 00023
#define B500000 00024
#define B576000 00025
#define B921600 00026
#define B1000000 00027
#define B1152000 00030
#define B1500000 00031
#define B2000000 00032
#define B2500000 00033
#define B3000000 00034
#define B3500000 00035
#define B4000000 00036
#define CSIZE 00001400
#define CS5 00000000
#define CS6 00000400
#define CS7 00001000
#define CS8 00001400
#define CSTOPB 00002000
#define CREAD 00004000
#define PARENB 00010000
#define PARODD 00020000
#define HUPCL 00040000
#define CLOCAL 00100000
#define CRTSCTS 020000000000 /* flow control */
/* c_lflag bits */
#define ISIG 0x00000080
#define ICANON 0x00000100
#define XCASE 0x00004000
#define ECHO 0x00000008
#define ECHOE 0x00000002
#define ECHOK 0x00000004
#define ECHONL 0x00000010
#define NOFLSH 0x80000000
#define TOSTOP 0x00400000
#define ECHOCTL 0x00000040
#define ECHOPRT 0x00000020
#define ECHOKE 0x00000001
#define FLUSHO 0x00800000
#define PENDIN 0x20000000
#define IEXTEN 0x00000400
/* Values for the ACTION argument to `tcflow'. */
#define TCOOFF 0
#define TCOON 1
#define TCIOFF 2
#define TCION 3
/* Values for the QUEUE_SELECTOR argument to `tcflush'. */
#define TCIFLUSH 0
#define TCOFLUSH 1
#define TCIOFLUSH 2
/* Values for the OPTIONAL_ACTIONS argument to `tcsetattr'. */
#define TCSANOW 0
#define TCSADRAIN 1
#define TCSAFLUSH 2
#endif /* _PPC_TERMBITS_H */

232
include/asm-ppc/termios.h
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@ -1,232 +0,0 @@
#ifndef _PPC_TERMIOS_H
#define _PPC_TERMIOS_H
/*
* Liberally adapted from alpha/termios.h. In particular, the c_cc[]
* fields have been reordered so that termio & termios share the
* common subset in the same order (for brain dead programs that don't
* know or care about the differences).
*/
#include <asm/ioctls.h>
#include <asm/termbits.h>
struct sgttyb {
char sg_ispeed;
char sg_ospeed;
char sg_erase;
char sg_kill;
short sg_flags;
};
struct tchars {
char t_intrc;
char t_quitc;
char t_startc;
char t_stopc;
char t_eofc;
char t_brkc;
};
struct ltchars {
char t_suspc;
char t_dsuspc;
char t_rprntc;
char t_flushc;
char t_werasc;
char t_lnextc;
};
#define FIOCLEX _IO('f', 1)
#define FIONCLEX _IO('f', 2)
#define FIOASYNC _IOW('f', 125, int)
#define FIONBIO _IOW('f', 126, int)
#define FIONREAD _IOR('f', 127, int)
#define TIOCINQ FIONREAD
#define FIOQSIZE _IOR('f', 128, loff_t)
#define TIOCGETP _IOR('t', 8, struct sgttyb)
#define TIOCSETP _IOW('t', 9, struct sgttyb)
#define TIOCSETN _IOW('t', 10, struct sgttyb) /* TIOCSETP wo flush */
#define TIOCSETC _IOW('t', 17, struct tchars)
#define TIOCGETC _IOR('t', 18, struct tchars)
#define TCGETS _IOR('t', 19, struct termios)
#define TCSETS _IOW('t', 20, struct termios)
#define TCSETSW _IOW('t', 21, struct termios)
#define TCSETSF _IOW('t', 22, struct termios)
#define TCGETA _IOR('t', 23, struct termio)
#define TCSETA _IOW('t', 24, struct termio)
#define TCSETAW _IOW('t', 25, struct termio)
#define TCSETAF _IOW('t', 28, struct termio)
#define TCSBRK _IO('t', 29)
#define TCXONC _IO('t', 30)
#define TCFLSH _IO('t', 31)
#define TIOCSWINSZ _IOW('t', 103, struct winsize)
#define TIOCGWINSZ _IOR('t', 104, struct winsize)
#define TIOCSTART _IO('t', 110) /* start output, like ^Q */
#define TIOCSTOP _IO('t', 111) /* stop output, like ^S */
#define TIOCOUTQ _IOR('t', 115, int) /* output queue size */
#define TIOCGLTC _IOR('t', 116, struct ltchars)
#define TIOCSLTC _IOW('t', 117, struct ltchars)
#define TIOCSPGRP _IOW('t', 118, int)
#define TIOCGPGRP _IOR('t', 119, int)
#define TIOCEXCL 0x540C
#define TIOCNXCL 0x540D
#define TIOCSCTTY 0x540E
#define TIOCSTI 0x5412
#define TIOCMGET 0x5415
#define TIOCMBIS 0x5416
#define TIOCMBIC 0x5417
#define TIOCMSET 0x5418
#define TIOCGSOFTCAR 0x5419
#define TIOCSSOFTCAR 0x541A
#define TIOCLINUX 0x541C
#define TIOCCONS 0x541D
#define TIOCGSERIAL 0x541E
#define TIOCSSERIAL 0x541F
#define TIOCPKT 0x5420
#define TIOCNOTTY 0x5422
#define TIOCSETD 0x5423
#define TIOCGETD 0x5424
#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */
#define TIOCSERCONFIG 0x5453
#define TIOCSERGWILD 0x5454
#define TIOCSERSWILD 0x5455
#define TIOCGLCKTRMIOS 0x5456
#define TIOCSLCKTRMIOS 0x5457
#define TIOCSERGSTRUCT 0x5458 /* For debugging only */
#define TIOCSERGETLSR 0x5459 /* Get line status register */
#define TIOCSERGETMULTI 0x545A /* Get multiport config */
#define TIOCSERSETMULTI 0x545B /* Set multiport config */
#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */
#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
/* Used for packet mode */
#define TIOCPKT_DATA 0
#define TIOCPKT_FLUSHREAD 1
#define TIOCPKT_FLUSHWRITE 2
#define TIOCPKT_STOP 4
#define TIOCPKT_START 8
#define TIOCPKT_NOSTOP 16
#define TIOCPKT_DOSTOP 32
struct winsize {
unsigned short ws_row;
unsigned short ws_col;
unsigned short ws_xpixel;
unsigned short ws_ypixel;
};
#define NCC 10
struct termio {
unsigned short c_iflag; /* input mode flags */
unsigned short c_oflag; /* output mode flags */
unsigned short c_cflag; /* control mode flags */
unsigned short c_lflag; /* local mode flags */
unsigned char c_line; /* line discipline */
unsigned char c_cc[NCC]; /* control characters */
};
/* c_cc characters */
#define _VINTR 0
#define _VQUIT 1
#define _VERASE 2
#define _VKILL 3
#define _VEOF 4
#define _VMIN 5
#define _VEOL 6
#define _VTIME 7
#define _VEOL2 8
#define _VSWTC 9
#ifdef __KERNEL__
/* ^C ^\ del ^U ^D 1 0 0 0 0 ^W ^R ^Z ^Q ^S ^V ^U */
#define INIT_C_CC "\003\034\177\025\004\001\000\000\000\000\027\022\032\021\023\026\025"
#endif /* __KERNEL__ */
/* modem lines */
#define TIOCM_LE 0x001
#define TIOCM_DTR 0x002
#define TIOCM_RTS 0x004
#define TIOCM_ST 0x008
#define TIOCM_SR 0x010
#define TIOCM_CTS 0x020
#define TIOCM_CAR 0x040
#define TIOCM_RNG 0x080
#define TIOCM_DSR 0x100
#define TIOCM_CD TIOCM_CAR
#define TIOCM_RI TIOCM_RNG
#define TIOCM_OUT1 0x2000
#define TIOCM_OUT2 0x4000
#define TIOCM_LOOP 0x8000
/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */
/* line disciplines */
#define N_TTY 0
#define N_SLIP 1
#define N_MOUSE 2
#define N_PPP 3
#define N_STRIP 4
#define N_AX25 5
#define N_X25 6 /* X.25 async */
#define N_6PACK 7
#define N_MASC 8 /* Reserved for Mobitex module <kaz@cafe.net> */
#define N_R3964 9 /* Reserved for Simatic R3964 module */
#define N_PROFIBUS_FDL 10 /* Reserved for Profibus <Dave@mvhi.com> */
#define N_IRDA 11 /* Linux IrDa - http://irda.sourceforge.net/ */
#define N_SMSBLOCK 12 /* SMS block mode - for talking to GSM data cards about SMS messages */
#define N_HDLC 13 /* synchronous HDLC */
#define N_SYNC_PPP 14
#define N_HCI 15 /* Bluetooth HCI UART */
#ifdef __KERNEL__
/*
* Translate a "termio" structure into a "termios". Ugh.
*/
#define SET_LOW_TERMIOS_BITS(termios, termio, x) { \
unsigned short __tmp; \
get_user(__tmp,&(termio)->x); \
(termios)->x = (0xffff0000 & (termios)->x) | __tmp; \
}
#define user_termio_to_kernel_termios(termios, termio) \
({ \
SET_LOW_TERMIOS_BITS(termios, termio, c_iflag); \
SET_LOW_TERMIOS_BITS(termios, termio, c_oflag); \
SET_LOW_TERMIOS_BITS(termios, termio, c_cflag); \
SET_LOW_TERMIOS_BITS(termios, termio, c_lflag); \
copy_from_user((termios)->c_cc, (termio)->c_cc, NCC); \
})
/*
* Translate a "termios" structure into a "termio". Ugh.
*/
#define kernel_termios_to_user_termio(termio, termios) \
({ \
put_user((termios)->c_iflag, &(termio)->c_iflag); \
put_user((termios)->c_oflag, &(termio)->c_oflag); \
put_user((termios)->c_cflag, &(termio)->c_cflag); \
put_user((termios)->c_lflag, &(termio)->c_lflag); \
put_user((termios)->c_line, &(termio)->c_line); \
copy_to_user((termio)->c_cc, (termios)->c_cc, NCC); \
})
#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios))
#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios))
#endif /* __KERNEL__ */
#endif /* _PPC_TERMIOS_H */

12
include/asm-ppc64/bugs.h
Просмотреть файл

@ -1,12 +0,0 @@
/*
* This file is included by 'init/main.c' to check for architecture-dependent
* bugs.
*
*/
#ifndef _ASM_PPC64_BUGS_H
#define _ASM_PPC64_BUGS_H
static void check_bugs(void) {
}
#endif /* _ASM_PPC64_BUGS_H */

12
include/asm-ppc64/cputable.h
Просмотреть файл

@ -36,6 +36,7 @@
* via the mkdefs mechanism.
*/
struct cpu_spec;
struct op_ppc64_model;
typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
@ -52,10 +53,19 @@ struct cpu_spec {
unsigned int icache_bsize;
unsigned int dcache_bsize;
/* number of performance monitor counters */
unsigned int num_pmcs;
/* this is called to initialize various CPU bits like L1 cache,
* BHT, SPD, etc... from head.S before branching to identify_machine
*/
cpu_setup_t cpu_setup;
/* Used by oprofile userspace to select the right counters */
char *oprofile_cpu_type;
/* Processor specific oprofile operations */
struct op_ppc64_model *oprofile_model;
};
extern struct cpu_spec cpu_specs[];
@ -95,7 +105,7 @@ static inline unsigned long cpu_has_feature(unsigned long feature)
#define CPU_FTR_NODSISRALIGN ASM_CONST(0x0000001000000000)
#define CPU_FTR_IABR ASM_CONST(0x0000002000000000)
#define CPU_FTR_MMCRA ASM_CONST(0x0000004000000000)
#define CPU_FTR_PMC8 ASM_CONST(0x0000008000000000)
/* unused ASM_CONST(0x0000008000000000) */
#define CPU_FTR_SMT ASM_CONST(0x0000010000000000)
#define CPU_FTR_COHERENT_ICACHE ASM_CONST(0x0000020000000000)
#define CPU_FTR_LOCKLESS_TLBIE ASM_CONST(0x0000040000000000)

5
include/asm-ppc64/machdep.h
Просмотреть файл

@ -103,11 +103,6 @@ struct machdep_calls {
void (*progress)(char *, unsigned short);
/* Debug interface. Low level I/O to some terminal device */
void (*udbg_putc)(unsigned char c);
unsigned char (*udbg_getc)(void);
int (*udbg_getc_poll)(void);
/* Interface for platform error logging */
void (*log_error)(char *buf, unsigned int err_type, int fatal);

6
include/asm-ppc64/mmu.h
Просмотреть файл

@ -54,8 +54,10 @@ extern char initial_stab[];
#define SLB_VSID_C ASM_CONST(0x0000000000000080) /* class */
#define SLB_VSID_LS ASM_CONST(0x0000000000000070) /* size of largepage */
#define SLB_VSID_KERNEL (SLB_VSID_KP|SLB_VSID_C)
#define SLB_VSID_USER (SLB_VSID_KP|SLB_VSID_KS)
#define SLB_VSID_KERNEL (SLB_VSID_KP)
#define SLB_VSID_USER (SLB_VSID_KP|SLB_VSID_KS|SLB_VSID_C)
#define SLBIE_C (0x08000000)
/*
* Hash table

36
include/asm-ppc64/module.h
Просмотреть файл

@ -1,36 +0,0 @@
#ifndef _ASM_PPC64_MODULE_H
#define _ASM_PPC64_MODULE_H
#include <linux/list.h>
#include <asm/bug.h>
struct mod_arch_specific
{
/* Index of stubs section within module. */
unsigned int stubs_section;
/* What section is the TOC? */
unsigned int toc_section;
/* List of BUG addresses, source line numbers and filenames */
struct list_head bug_list;
struct bug_entry *bug_table;
unsigned int num_bugs;
};
extern struct bug_entry *module_find_bug(unsigned long bugaddr);
#define Elf_Shdr Elf64_Shdr
#define Elf_Sym Elf64_Sym
#define Elf_Ehdr Elf64_Ehdr
/* Make empty section for module_frob_arch_sections to expand. */
#ifdef MODULE
asm(".section .stubs,\"ax\",@nobits; .align 3; .previous");
#endif
struct exception_table_entry;
void sort_ex_table(struct exception_table_entry *start,
struct exception_table_entry *finish);
#endif /* _ASM_PPC64_MODULE_H */

3
arch/ppc64/oprofile/op_impl.h → include/asm-ppc64/oprofile_impl.h
Просмотреть файл

@ -49,6 +49,9 @@ struct op_ppc64_model {
int num_counters;
};
extern struct op_ppc64_model op_model_rs64;
extern struct op_ppc64_model op_model_power4;
static inline unsigned int ctr_read(unsigned int i)
{
switch(i) {

19
include/asm-ppc64/system.h
Просмотреть файл

@ -158,7 +158,7 @@ static inline int __is_processor(unsigned long pv)
* is more like most of the other architectures.
*/
static __inline__ unsigned long
__xchg_u32(volatile int *m, unsigned long val)
__xchg_u32(volatile unsigned int *m, unsigned long val)
{
unsigned long dummy;
@ -200,7 +200,7 @@ __xchg_u64(volatile long *m, unsigned long val)
extern void __xchg_called_with_bad_pointer(void);
static __inline__ unsigned long
__xchg(volatile void *ptr, unsigned long x, int size)
__xchg(volatile void *ptr, unsigned long x, unsigned int size)
{
switch (size) {
case 4:
@ -223,7 +223,7 @@ __xchg(volatile void *ptr, unsigned long x, int size)
#define __HAVE_ARCH_CMPXCHG 1
static __inline__ unsigned long
__cmpxchg_u32(volatile int *p, int old, int new)
__cmpxchg_u32(volatile unsigned int *p, unsigned long old, unsigned long new)
{
unsigned int prev;
@ -271,7 +271,8 @@ __cmpxchg_u64(volatile long *p, unsigned long old, unsigned long new)
extern void __cmpxchg_called_with_bad_pointer(void);
static __inline__ unsigned long
__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
__cmpxchg(volatile void *ptr, unsigned long old, unsigned long new,
unsigned int size)
{
switch (size) {
case 4:
@ -283,13 +284,9 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
return old;
}
#define cmpxchg(ptr,o,n) \
({ \
__typeof__(*(ptr)) _o_ = (o); \
__typeof__(*(ptr)) _n_ = (n); \
(__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
(unsigned long)_n_, sizeof(*(ptr))); \
})
#define cmpxchg(ptr,o,n)\
((__typeof__(*(ptr)))__cmpxchg((ptr),(unsigned long)(o),\
(unsigned long)(n),sizeof(*(ptr))))
/*
* We handle most unaligned accesses in hardware. On the other hand

27
include/asm-ppc64/udbg.h
Просмотреть файл

@ -2,6 +2,7 @@
#define __UDBG_HDR
#include <linux/compiler.h>
#include <linux/init.h>
/*
* c 2001 PPC 64 Team, IBM Corp
@ -12,17 +13,19 @@
* 2 of the License, or (at your option) any later version.
*/
void udbg_init_uart(void __iomem *comport, unsigned int speed);
void udbg_putc(unsigned char c);
unsigned char udbg_getc(void);
int udbg_getc_poll(void);
void udbg_puts(const char *s);
int udbg_write(const char *s, int n);
int udbg_read(char *buf, int buflen);
struct console;
void udbg_console_write(struct console *con, const char *s, unsigned int n);
void udbg_printf(const char *fmt, ...);
void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
unsigned long udbg_ifdebug(unsigned long flags);
extern void (*udbg_putc)(unsigned char c);
extern unsigned char (*udbg_getc)(void);
extern int (*udbg_getc_poll)(void);
extern void udbg_puts(const char *s);
extern int udbg_write(const char *s, int n);
extern int udbg_read(char *buf, int buflen);
extern void register_early_udbg_console(void);
extern void udbg_printf(const char *fmt, ...);
extern void udbg_ppcdbg(unsigned long flags, const char *fmt, ...);
extern unsigned long udbg_ifdebug(unsigned long flags);
extern void __init ppcdbg_initialize(void);
extern void udbg_init_uart(void __iomem *comport, unsigned int speed);
#endif