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Diffstat (limited to 'arch/alpha/kernel/setup.c')
-rw-r--r--arch/alpha/kernel/setup.c75
1 files changed, 36 insertions, 39 deletions
diff --git a/arch/alpha/kernel/setup.c b/arch/alpha/kernel/setup.c
index 5d4c76a77a9f..0738f9396f95 100644
--- a/arch/alpha/kernel/setup.c
+++ b/arch/alpha/kernel/setup.c
@@ -28,6 +28,7 @@
#include <linux/init.h>
#include <linux/string.h>
#include <linux/ioport.h>
+#include <linux/panic_notifier.h>
#include <linux/platform_device.h>
#include <linux/memblock.h>
#include <linux/pci.h>
@@ -46,7 +47,6 @@
#include <linux/log2.h>
#include <linux/export.h>
-extern struct atomic_notifier_head panic_notifier_list;
static int alpha_panic_event(struct notifier_block *, unsigned long, void *);
static struct notifier_block alpha_panic_block = {
alpha_panic_event,
@@ -55,7 +55,6 @@ static struct notifier_block alpha_panic_block = {
};
#include <linux/uaccess.h>
-#include <asm/pgtable.h>
#include <asm/hwrpb.h>
#include <asm/dma.h>
#include <asm/mmu_context.h>
@@ -80,11 +79,6 @@ int alpha_l3_cacheshape;
unsigned long alpha_verbose_mcheck = CONFIG_VERBOSE_MCHECK_ON;
#endif
-#ifdef CONFIG_NUMA
-struct cpumask node_to_cpumask_map[MAX_NUMNODES] __read_mostly;
-EXPORT_SYMBOL(node_to_cpumask_map);
-#endif
-
/* Which processor we booted from. */
int boot_cpuid;
@@ -137,13 +131,14 @@ static void determine_cpu_caches (unsigned int);
static char __initdata command_line[COMMAND_LINE_SIZE];
+#ifdef CONFIG_VGA_CONSOLE
/*
* The format of "screen_info" is strange, and due to early
* i386-setup code. This is just enough to make the console
* code think we're on a VGA color display.
*/
-struct screen_info screen_info = {
+struct screen_info vgacon_screen_info = {
.orig_x = 0,
.orig_y = 25,
.orig_video_cols = 80,
@@ -151,8 +146,7 @@ struct screen_info screen_info = {
.orig_video_isVGA = 1,
.orig_video_points = 16
};
-
-EXPORT_SYMBOL(screen_info);
+#endif
/*
* The direct map I/O window, if any. This should be the same
@@ -254,7 +248,7 @@ reserve_std_resources(void)
/* Fix up for the Jensen's queer RTC placement. */
standard_io_resources[0].start = RTC_PORT(0);
- standard_io_resources[0].end = RTC_PORT(0) + 0x10;
+ standard_io_resources[0].end = RTC_PORT(0) + 0x0f;
for (i = 0; i < ARRAY_SIZE(standard_io_resources); ++i)
request_resource(io, standard_io_resources+i);
@@ -306,7 +300,6 @@ move_initrd(unsigned long mem_limit)
}
#endif
-#ifndef CONFIG_DISCONTIGMEM
static void __init
setup_memory(void *kernel_end)
{
@@ -326,18 +319,19 @@ setup_memory(void *kernel_end)
i, cluster->usage, cluster->start_pfn,
cluster->start_pfn + cluster->numpages);
- /* Bit 0 is console/PALcode reserved. Bit 1 is
- non-volatile memory -- we might want to mark
- this for later. */
- if (cluster->usage & 3)
- continue;
-
end = cluster->start_pfn + cluster->numpages;
if (end > max_low_pfn)
max_low_pfn = end;
memblock_add(PFN_PHYS(cluster->start_pfn),
cluster->numpages << PAGE_SHIFT);
+
+ /* Bit 0 is console/PALcode reserved. Bit 1 is
+ non-volatile memory -- we might want to mark
+ this for later. */
+ if (cluster->usage & 3)
+ memblock_reserve(PFN_PHYS(cluster->start_pfn),
+ cluster->numpages << PAGE_SHIFT);
}
/*
@@ -390,12 +384,8 @@ setup_memory(void *kernel_end)
}
#endif /* CONFIG_BLK_DEV_INITRD */
}
-#else
-extern void setup_memory(void *);
-#endif /* !CONFIG_DISCONTIGMEM */
-int __init
-page_is_ram(unsigned long pfn)
+int page_is_ram(unsigned long pfn)
{
struct memclust_struct * cluster;
struct memdesc_struct * memdesc;
@@ -430,6 +420,20 @@ register_cpus(void)
arch_initcall(register_cpus);
+#ifdef CONFIG_MAGIC_SYSRQ
+static void sysrq_reboot_handler(u8 unused)
+{
+ machine_halt();
+}
+
+static const struct sysrq_key_op srm_sysrq_reboot_op = {
+ .handler = sysrq_reboot_handler,
+ .help_msg = "reboot(b)",
+ .action_msg = "Resetting",
+ .enable_mask = SYSRQ_ENABLE_BOOT,
+};
+#endif
+
void __init
setup_arch(char **cmdline_p)
{
@@ -466,7 +470,7 @@ setup_arch(char **cmdline_p)
#ifndef alpha_using_srm
/* Assume that we've booted from SRM if we haven't booted from MILO.
Detect the later by looking for "MILO" in the system serial nr. */
- alpha_using_srm = strncmp((const char *)hwrpb->ssn, "MILO", 4) != 0;
+ alpha_using_srm = !str_has_prefix((const char *)hwrpb->ssn, "MILO");
#endif
#ifndef alpha_using_qemu
/* Similarly, look for QEMU. */
@@ -486,9 +490,9 @@ setup_arch(char **cmdline_p)
boot flags depending on the boot mode, we need some shorthand.
This should do for installation. */
if (strcmp(COMMAND_LINE, "INSTALL") == 0) {
- strlcpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof command_line);
+ strscpy(command_line, "root=/dev/fd0 load_ramdisk=1", sizeof(command_line));
} else {
- strlcpy(command_line, COMMAND_LINE, sizeof command_line);
+ strscpy(command_line, COMMAND_LINE, sizeof(command_line));
}
strcpy(boot_command_line, command_line);
*cmdline_p = command_line;
@@ -550,8 +554,8 @@ setup_arch(char **cmdline_p)
/* If we're using SRM, make sysrq-b halt back to the prom,
not auto-reboot. */
if (alpha_using_srm) {
- struct sysrq_key_op *op = __sysrq_get_key_op('b');
- op->handler = (void *) machine_halt;
+ unregister_sysrq_key('b', __sysrq_reboot_op);
+ register_sysrq_key('b', &srm_sysrq_reboot_op);
}
#endif
@@ -605,13 +609,6 @@ setup_arch(char **cmdline_p)
"VERBOSE_MCHECK "
#endif
-#ifdef CONFIG_DISCONTIGMEM
- "DISCONTIGMEM "
-#ifdef CONFIG_NUMA
- "NUMA "
-#endif
-#endif
-
#ifdef CONFIG_DEBUG_SPINLOCK
"DEBUG_SPINLOCK "
#endif
@@ -635,6 +632,7 @@ setup_arch(char **cmdline_p)
/* Find our memory. */
setup_memory(kernel_end);
memblock_set_bottom_up(true);
+ sparse_init();
/* First guess at cpu cache sizes. Do this before init_arch. */
determine_cpu_caches(cpu->type);
@@ -654,14 +652,12 @@ setup_arch(char **cmdline_p)
#ifdef CONFIG_VT
#if defined(CONFIG_VGA_CONSOLE)
- conswitchp = &vga_con;
-#elif defined(CONFIG_DUMMY_CONSOLE)
- conswitchp = &dummy_con;
+ vgacon_register_screen(&vgacon_screen_info);
#endif
#endif
/* Default root filesystem to sda2. */
- ROOT_DEV = Root_SDA2;
+ ROOT_DEV = MKDEV(SCSI_DISK0_MAJOR, 2);
#ifdef CONFIG_EISA
/* FIXME: only set this when we actually have EISA in this box? */
@@ -1414,6 +1410,7 @@ c_start(struct seq_file *f, loff_t *pos)
static void *
c_next(struct seq_file *f, void *v, loff_t *pos)
{
+ (*pos)++;
return NULL;
}
generated by cgit (git 2.34.1) at 2024-04-26 03:33:38 +0000