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Subject[PATCHSET] PC-9800 subarch. support for 2.5.60 (6/34) AC#6
This is patchset to support NEC PC-9800 subarchitecture
against 2.5.60 (6/34).

PC98 support patch in 2.5.50-ac1 with minimum changes
to apply 2.5.60. (include/*)
- Osamu Tomota

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-default/pci-functions.h linux98-2.5.53/include/asm-i386/mach-default/pci-functions.h
--- linux-2.5.53/include/asm-i386/mach-default/pci-functions.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-default/pci-functions.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,19 @@
+/*
+ * PCI BIOS function numbering for conventional PCI BIOS
+ * systems
+ */
+
+#define PCIBIOS_PCI_FUNCTION_ID 0xb1XX
+#define PCIBIOS_PCI_BIOS_PRESENT 0xb101
+#define PCIBIOS_FIND_PCI_DEVICE 0xb102
+#define PCIBIOS_FIND_PCI_CLASS_CODE 0xb103
+#define PCIBIOS_GENERATE_SPECIAL_CYCLE 0xb106
+#define PCIBIOS_READ_CONFIG_BYTE 0xb108
+#define PCIBIOS_READ_CONFIG_WORD 0xb109
+#define PCIBIOS_READ_CONFIG_DWORD 0xb10a
+#define PCIBIOS_WRITE_CONFIG_BYTE 0xb10b
+#define PCIBIOS_WRITE_CONFIG_WORD 0xb10c
+#define PCIBIOS_WRITE_CONFIG_DWORD 0xb10d
+#define PCIBIOS_GET_ROUTING_OPTIONS 0xb10e
+#define PCIBIOS_SET_PCI_HW_INT 0xb10f
+
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-default/io_ports.h linux98-2.5.53/include/asm-i386/mach-default/io_ports.h
--- linux-2.5.53/include/asm-i386/mach-default/io_ports.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-default/io_ports.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,30 @@
+/*
+ * arch/i386/mach-generic/io_ports.h
+ *
+ * Machine specific IO port address definition for generic.
+ * Written by Osamu Tomita <tomita@cinet.co.jp>
+ */
+#ifndef _MACH_IO_PORTS_H
+#define _MACH_IO_PORTS_H
+
+/* i8253A PIT registers */
+#define PIT_MODE 0x43
+#define PIT_CH0 0x40
+#define PIT_CH2 0x42
+
+/* i8259A PIC registers */
+#define PIC_MASTER_CMD 0x20
+#define PIC_MASTER_IMR 0x21
+#define PIC_MASTER_ISR PIC_MASTER_CMD
+#define PIC_MASTER_POLL PIC_MASTER_ISR
+#define PIC_MASTER_OCW3 PIC_MASTER_ISR
+#define PIC_SLAVE_CMD 0xa0
+#define PIC_SLAVE_IMR 0xa1
+
+/* i8259A PIC related value */
+#define PIC_CASCADE_IR 2
+#define MASTER_ICW4_DEFAULT 0x01
+#define SLAVE_ICW4_DEFAULT 0x01
+#define PIC_ICW4_AEOI 2
+
+#endif /* !_MACH_IO_PORTS_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-default/irq_vectors.h linux98-2.5.53/include/asm-i386/mach-default/irq_vectors.h
--- linux-2.5.53/include/asm-i386/mach-default/irq_vectors.h 2002-11-25 15:09:13.000000000 +0000
+++ linux98-2.5.53/include/asm-i386/mach-default/irq_vectors.h 2002-10-31 15:05:52.000000000 +0000
@@ -82,4 +82,11 @@
#define NR_IRQS 16
#endif

+#define FPU_IRQ 13
+
+#define FIRST_VM86_IRQ 3
+#define LAST_VM86_IRQ 15
+#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
+
+
#endif /* _ASM_IRQ_VECTORS_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-default/mach_reboot.h linux98-2.5.53/include/asm-i386/mach-default/mach_reboot.h
--- linux-2.5.53/include/asm-i386/mach-default/mach_reboot.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-default/mach_reboot.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,30 @@
+/*
+ * include/asm-i386/mach-default/mach_reboot.h
+ *
+ * Machine specific reboot functions for generic.
+ * Split out from reboot.c by Osamu Tomita <tomita@cinet.co.jp>
+ */
+#ifndef _MACH_REBOOT_H
+#define _MACH_REBOOT_H
+
+static inline void kb_wait(void)
+{
+ int i;
+
+ for (i = 0; i < 0x10000; i++)
+ if ((inb_p(0x64) & 0x02) == 0)
+ break;
+}
+
+static inline void mach_reboot(void)
+{
+ int i;
+ for (i = 0; i < 100; i++) {
+ kb_wait();
+ udelay(50);
+ outb(0xfe, 0x64); /* pulse reset low */
+ udelay(50);
+ }
+}
+
+#endif /* !_MACH_REBOOT_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/io_ports.h linux98-2.5.53/include/asm-i386/mach-pc9800/io_ports.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/io_ports.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/io_ports.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,30 @@
+/*
+ * include/asm-i386/mach-pc9800/io_ports.h
+ *
+ * Machine specific IO port address definition for PC-9800.
+ * Written by Osamu Tomita <tomita@cinet.co.jp>
+ */
+#ifndef _MACH_IO_PORTS_H
+#define _MACH_IO_PORTS_H
+
+/* i8253A PIT registers */
+#define PIT_MODE 0x77
+#define PIT_CH0 0x71
+#define PIT_CH2 0x75
+
+/* i8259A PIC registers */
+#define PIC_MASTER_CMD 0x00
+#define PIC_MASTER_IMR 0x02
+#define PIC_MASTER_ISR PIC_MASTER_CMD
+#define PIC_MASTER_POLL PIC_MASTER_ISR
+#define PIC_MASTER_OCW3 PIC_MASTER_ISR
+#define PIC_SLAVE_CMD 0x08
+#define PIC_SLAVE_IMR 0x0a
+
+/* i8259A PIC related values */
+#define PIC_CASCADE_IR 7
+#define MASTER_ICW4_DEFAULT 0x1d
+#define SLAVE_ICW4_DEFAULT 0x09
+#define PIC_ICW4_AEOI 0x02
+
+#endif /* !_MACH_IO_PORTS_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/irq_vectors.h linux98-2.5.53/include/asm-i386/mach-pc9800/irq_vectors.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/irq_vectors.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/irq_vectors.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,93 @@
+/*
+ * This file should contain #defines for all of the interrupt vector
+ * numbers used by this architecture.
+ *
+ * In addition, there are some standard defines:
+ *
+ * FIRST_EXTERNAL_VECTOR:
+ * The first free place for external interrupts
+ *
+ * SYSCALL_VECTOR:
+ * The IRQ vector a syscall makes the user to kernel transition
+ * under.
+ *
+ * TIMER_IRQ:
+ * The IRQ number the timer interrupt comes in at.
+ *
+ * NR_IRQS:
+ * The total number of interrupt vectors (including all the
+ * architecture specific interrupts) needed.
+ *
+ */
+#ifndef _ASM_IRQ_VECTORS_H
+#define _ASM_IRQ_VECTORS_H
+
+/*
+ * IDT vectors usable for external interrupt sources start
+ * at 0x20:
+ */
+#define FIRST_EXTERNAL_VECTOR 0x20
+
+#define SYSCALL_VECTOR 0x80
+
+/*
+ * Vectors 0x20-0x2f are used for ISA interrupts.
+ */
+
+/*
+ * Special IRQ vectors used by the SMP architecture, 0xf0-0xff
+ *
+ * some of the following vectors are 'rare', they are merged
+ * into a single vector (CALL_FUNCTION_VECTOR) to save vector space.
+ * TLB, reschedule and local APIC vectors are performance-critical.
+ *
+ * Vectors 0xf0-0xfa are free (reserved for future Linux use).
+ */
+#define SPURIOUS_APIC_VECTOR 0xff
+#define ERROR_APIC_VECTOR 0xfe
+#define INVALIDATE_TLB_VECTOR 0xfd
+#define RESCHEDULE_VECTOR 0xfc
+#define CALL_FUNCTION_VECTOR 0xfb
+
+#define THERMAL_APIC_VECTOR 0xf0
+/*
+ * Local APIC timer IRQ vector is on a different priority level,
+ * to work around the 'lost local interrupt if more than 2 IRQ
+ * sources per level' errata.
+ */
+#define LOCAL_TIMER_VECTOR 0xef
+
+/*
+ * First APIC vector available to drivers: (vectors 0x30-0xee)
+ * we start at 0x31 to spread out vectors evenly between priority
+ * levels. (0x80 is the syscall vector)
+ */
+#define FIRST_DEVICE_VECTOR 0x31
+#define FIRST_SYSTEM_VECTOR 0xef
+
+#define TIMER_IRQ 0
+
+/*
+ * 16 8259A IRQ's, 208 potential APIC interrupt sources.
+ * Right now the APIC is mostly only used for SMP.
+ * 256 vectors is an architectural limit. (we can have
+ * more than 256 devices theoretically, but they will
+ * have to use shared interrupts)
+ * Since vectors 0x00-0x1f are used/reserved for the CPU,
+ * the usable vector space is 0x20-0xff (224 vectors)
+ */
+#ifdef CONFIG_X86_IO_APIC
+#define NR_IRQS 224
+#else
+#define NR_IRQS 16
+#endif
+
+#define FPU_IRQ 8
+
+#define FIRST_VM86_IRQ 2
+#define LAST_VM86_IRQ 15
+#define invalid_vm86_irq(irq) ((irq) < 2 || (irq) == 7 || (irq) > 15)
+
+#endif /* _ASM_IRQ_VECTORS_H */
+
+
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/mach_reboot.h linux98-2.5.53/include/asm-i386/mach-pc9800/mach_reboot.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/mach_reboot.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/mach_reboot.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,21 @@
+/*
+ * include/asm-i386/mach-pc9800/mach_reboot.h
+ *
+ * Machine specific reboot functions for PC-9800.
+ * Written by Osamu Tomita <tomita@cinet.co.jp>
+ */
+#ifndef _MACH_REBOOT_H
+#define _MACH_REBOOT_H
+
+#ifdef CMOS_WRITE
+#undef CMOS_WRITE
+#define CMOS_WRITE(a,b) do{}while(0)
+#endif
+
+static inline void mach_reboot(void)
+{
+ outb(0, 0xf0); /* signal CPU reset */
+ mdelay(1);
+}
+
+#endif /* !_MACH_REBOOT_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/pci-functions.h linux98-2.5.53/include/asm-i386/mach-pc9800/pci-functions.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/pci-functions.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/pci-functions.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,20 @@
+/*
+ * PCI BIOS function codes for the PC9800. Different from
+ * standard PC systems
+ */
+
+/* Note: PC-9800 confirms PCI 2.1 on only few models */
+
+#define PCIBIOS_PCI_FUNCTION_ID 0xccXX
+#define PCIBIOS_PCI_BIOS_PRESENT 0xcc81
+#define PCIBIOS_FIND_PCI_DEVICE 0xcc82
+#define PCIBIOS_FIND_PCI_CLASS_CODE 0xcc83
+/* PCIBIOS_GENERATE_SPECIAL_CYCLE 0xcc86 (not supported by bios) */
+#define PCIBIOS_READ_CONFIG_BYTE 0xcc88
+#define PCIBIOS_READ_CONFIG_WORD 0xcc89
+#define PCIBIOS_READ_CONFIG_DWORD 0xcc8a
+#define PCIBIOS_WRITE_CONFIG_BYTE 0xcc8b
+#define PCIBIOS_WRITE_CONFIG_WORD 0xcc8c
+#define PCIBIOS_WRITE_CONFIG_DWORD 0xcc8d
+#define PCIBIOS_GET_ROUTING_OPTIONS 0xcc8e /* PCI 2.1 only */
+#define PCIBIOS_SET_PCI_HW_INT 0xcc8f /* PCI 2.1 only */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/setup_arch_post.h linux98-2.5.53/include/asm-i386/mach-pc9800/setup_arch_post.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/setup_arch_post.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/setup_arch_post.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,29 @@
+/**
+ * machine_specific_memory_setup - Hook for machine specific memory setup.
+ *
+ * Description:
+ * This is included late in kernel/setup.c so that it can make
+ * use of all of the static functions.
+ **/
+
+static inline char * __init machine_specific_memory_setup(void)
+{
+ char *who;
+ unsigned long low_mem_size, lower_high, higher_high;
+
+
+ who = "BIOS (common area)";
+
+ low_mem_size = ((*(unsigned char *)__va(PC9800SCA_BIOS_FLAG) & 7) + 1) << 17;
+ add_memory_region(0, low_mem_size, 1);
+ lower_high = (__u32) *(__u8 *) bus_to_virt(PC9800SCA_EXPMMSZ) << 17;
+ higher_high = (__u32) *(__u16 *) bus_to_virt(PC9800SCA_MMSZ16M) << 20;
+ if (lower_high != 0x00f00000UL) {
+ add_memory_region(HIGH_MEMORY, lower_high, 1);
+ add_memory_region(0x01000000UL, higher_high, 1);
+ }
+ else
+ add_memory_region(HIGH_MEMORY, lower_high + higher_high, 1);
+
+ return who;
+}
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-pc9800/setup_arch_pre.h linux98-2.5.53/include/asm-i386/mach-pc9800/setup_arch_pre.h
--- linux-2.5.53/include/asm-i386/mach-pc9800/setup_arch_pre.h 1970-01-01 01:00:00.000000000 +0100
+++ linux98-2.5.53/include/asm-i386/mach-pc9800/setup_arch_pre.h 2002-10-31 15:05:52.000000000 +0000
@@ -0,0 +1,36 @@
+/* Hook to call BIOS initialisation function */
+
+/* no action for generic */
+
+#define ARCH_SETUP arch_setup_pc9800();
+
+#include <linux/timex.h>
+#include <asm/io.h>
+#include <asm/pc9800.h>
+#include <asm/pc9800_sca.h>
+
+int CLOCK_TICK_RATE;
+unsigned long tick_usec; /* ACTHZ period (usec) */
+unsigned long tick_nsec; /* USER_HZ period (nsec) */
+unsigned char pc9800_misc_flags;
+/* (bit 0) 1:High Address Video ram exists 0:otherwise */
+
+#ifdef CONFIG_SMP
+#define MPC_TABLE_SIZE 512
+#define MPC_TABLE ((char *) (PARAM+0x400))
+char mpc_table[MPC_TABLE_SIZE];
+#endif
+
+static inline void arch_setup_pc9800(void)
+{
+ CLOCK_TICK_RATE = PC9800_8MHz_P() ? 1996800 : 2457600;
+ printk(KERN_DEBUG "CLOCK_TICK_RATE = %d\n", CLOCK_TICK_RATE);
+ tick_usec = TICK_USEC; /* ACTHZ period (usec) */
+ tick_nsec = TICK_NSEC(TICK_USEC); /* USER_HZ period (nsec) */
+
+ pc9800_misc_flags = PC9800_MISC_FLAGS;
+#ifdef CONFIG_SMP
+ if ((*(u32 *)(MPC_TABLE)) == 0x504d4350)
+ memcpy(mpc_table, MPC_TABLE, *(u16 *)(MPC_TABLE + 4));
+#endif /* CONFIG_SMP */
+}
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-visws/irq_vectors.h linux98-2.5.53/include/asm-i386/mach-visws/irq_vectors.h
--- linux-2.5.53/include/asm-i386/mach-visws/irq_vectors.h 2002-12-10 11:45:43.000000000 +0900
+++ linux98-2.5.53/include/asm-i386/mach-visws/irq_vectors.h 2002-12-16 09:15:54.000000000 +0900
@@ -61,4 +61,10 @@
#define NR_IRQS 16
#endif

+#define FPU_IRQ 13
+
+#define FIRST_VM86_IRQ 3
+#define LAST_VM86_IRQ 15
+#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
+
#endif /* _ASM_IRQ_VECTORS_H */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.53/include/asm-i386/mach-voyager/irq_vectors.h linux98-2.5.53/include/asm-i386/mach-voyager/irq_vectors.h
--- linux-2.5.53/include/asm-i386/mach-voyager/irq_vectors.h 2002-11-25 15:09:13.000000000 +0000
+++ linux98-2.5.53/include/asm-i386/mach-voyager/irq_vectors.h 2002-10-31 15:05:52.000000000 +0000
@@ -57,6 +57,12 @@

#define NR_IRQS 224

+#define FPU_IRQ 13
+
+#define FIRST_VM86_IRQ 3
+#define LAST_VM86_IRQ 15
+#define invalid_vm86_irq(irq) ((irq) < 3 || (irq) > 15)
+
#ifndef __ASSEMBLY__
extern asmlinkage void vic_cpi_interrupt(void);
extern asmlinkage void vic_sys_interrupt(void);
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/asm-i386/gdc.h linux.50-ac1/include/asm-i386/gdc.h
--- linux.50/include/asm-i386/gdc.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.50-ac1/include/asm-i386/gdc.h 2002-10-31 15:06:16.000000000 +0000
@@ -0,0 +1,217 @@
+/*
+ * gdc.h - macro & inline functions for accessing GDC text-VRAM
+ *
+ * Copyright (C) 1997-2002 Osamu Tomita <tomita@cinet.co.jp>
+ * KITAGAWA Takurou,
+ * UGAWA Tomoharu,
+ * TAKAI Kosuke
+ * (Linux/98 Project)
+ */
+#ifndef _LINUX_ASM_GDC_H_
+#define _LINUX_ASM_GDC_H_
+
+#include <linux/config.h>
+
+#define PC9800_VRAM_ATTR_OFFSET 0x2000
+
+#define GDC_MAP_MEM(x) (unsigned long)phys_to_virt(x)
+
+#define gdc_readb(x) (*(x))
+#define gdc_writeb(x,y) (*(y) = (x))
+
+extern int fbcon_softback_size;
+
+#ifdef CONFIG_FB_EGC
+#define pc9800_attr_offset(p) \
+ ((u16 *)((u32)(p) + \
+ (((u32)(p) >= (u32)(vc_cons[currcons].d->vc_screenbuf) \
+ && (u32)(p) < (u32)(vc_cons[currcons].d->vc_screenbuf) \
+ + vc_cons[currcons].d->vc_screenbuf_size) ? \
+ vc_cons[currcons].d->vc_screenbuf_size : fbcon_softback_size)))
+#else
+#define pc9800_attr_offset(p) \
+ ((u16 *)((u32)(p) + \
+ (((u32)(p) >= (u32)(__va(0xa0000)) \
+ && (u32)(p) < (u32)(__va(0xa2000))) ? \
+ 0x2000 : vc_cons[currcons].d->vc_screenbuf_size)))
+#endif
+
+#define VT_BUF_HAVE_RW
+#define scr_writew(val, p) \
+ { \
+ *((u16 *)(p)) = (u16)(((val) >> 16) & 0xff00) \
+ | (u16)((val) & 0xff); \
+ *(pc9800_attr_offset(p)) = (u16)((val) >> 8); \
+ }
+
+#define scr_readw(p) \
+ ( \
+ (*((u16 *)(p)) & 0xff) | ((*((u16 *)(p)) & 0xff00) << 16) \
+ | ((*(pc9800_attr_offset(p)) & 0xff) << 8) \
+ )
+
+#define VT_BUF_HAVE_MEMSETW
+extern inline void
+_scr_memsetw(u16 *s, u16 c, unsigned int count)
+{
+#ifdef CONFIG_GDC_32BITACCESS
+ __asm__ __volatile__ ("shr%L1 %1
+ jz 2f
+" /* cld kernel code now assumes DF = 0 any time */ "\
+ test%L0 %3,%0
+ jz 1f
+ stos%W2
+ dec%L1 %1
+1: shr%L1 %1
+ rep
+ stos%L2
+ jnc 2f
+ stos%W2
+ rep
+ stos%W2
+2:"
+ : "=D"(s), "=c"(count)
+ : "a"((((u32) c) << 16) | c), "g"(2),
+ "0"(s), "1"(count));
+#else
+ __asm__ __volatile__ ("rep\n\tstosw"
+ : "=D"(s), "=c"(count)
+ : "0"(s), "1"(count / 2), "a"(c));
+#endif
+}
+
+#define scr_memsetw(s, c, count) \
+ { \
+ _scr_memsetw((s), (u16)(((c) >> 16) & 0xff00) | (u16)((c) & 0xff), \
+ (count)); \
+ _scr_memsetw(pc9800_attr_offset(s), ((u16)(c)) >> 8, (count)); \
+ }
+
+#define VT_BUF_HAVE_MEMCPYW
+extern inline void
+_scr_memcpyw(u16 *d, u16 *s, unsigned int count)
+{
+#if 1 /* def CONFIG_GDC_32BITACCESS */
+ __asm__ __volatile__ ("shr%L2 %2
+ jz 2f
+" /* cld */ "\
+ test%L0 %3,%0
+ jz 1f
+ movs%W0
+ dec%L2 %2
+1: shr%L2 %2
+ rep
+ movs%L0
+ jnc 2f
+ movs%W0
+2:"
+ : "=D"(d), "=S"(s), "=c"(count)
+ : "g"(2), "0"(d), "1"(s), "2"(count));
+#else
+ __asm__ __volatile__ ("rep\n\tmovsw"
+ : "=D"(d), "=S"(s), "=c"(count)
+ : "0"(d), "1"(s), "2"(count / 2));
+#endif
+}
+
+#define scr_memcpyw(d, s, count) \
+ { \
+ _scr_memcpyw((d), (s), (count)); \
+ _scr_memcpyw(pc9800_attr_offset(d), pc9800_attr_offset(s), (count)); \
+ }
+
+extern inline void
+_scr_memrcpyw(u16 *d, u16 *s, unsigned int count)
+{
+#if 1 /* def CONFIG_GDC_32BITACCESS */
+ u16 tmp;
+
+ __asm__ __volatile__ ("shr%L3 %3
+ jz 2f
+ std
+ lea%L1 -4(%1,%3,2),%1
+ lea%L2 -4(%2,%3,2),%2
+ test%L1 %4,%1
+ jz 1f
+ mov%W0 2(%2),%0
+ sub%L2 %4,%2
+ dec%L3 %3
+ mov%W0 %0,2(%1)
+ sub%L1 %4,%1
+1: shr%L3 %3
+ rep
+ movs%L0
+ jnc 3f
+ mov%W0 2(%2),%0
+ mov%W0 %0,2(%1)
+3: cld
+2:"
+ : "=r"(tmp), "=D"(d), "=S"(s), "=c"(count)
+ : "g"(2), "1"(d), "2"(s), "3"(count));
+#else
+ __asm__ __volatile__ ("std\n\trep\n\tmovsw\n\tcld"
+ : "=D"(d), "=S"(s), "=c"(count)
+ : "0"((void *) d + count - 2),
+ "1"((void *) s + count - 2), "2"(count / 2));
+#endif
+}
+
+#define VT_BUF_HAVE_MEMMOVEW
+extern inline void
+_scr_memmovew(u16 *d, u16 *s, unsigned int count)
+{
+ if (d > s)
+ _scr_memrcpyw(d, s, count);
+ else
+ _scr_memcpyw(d, s, count);
+}
+
+#define scr_memmovew(d, s, count) \
+ { \
+ _scr_memmovew((d), (s), (count)); \
+ _scr_memmovew(pc9800_attr_offset(d), pc9800_attr_offset(s), (count)); \
+ }
+
+#define VT_BUF_HAVE_MEMCPYF
+extern inline void
+_scr_memcpyw_from(u16 *d, u16 *s, unsigned int count)
+{
+#ifdef CONFIG_GDC_32BITACCESS
+ /* VRAM is quite slow, so we align source pointer (%esi)
+ to double-word alignment. */
+ __asm__ __volatile__ ("shr%L2 %2
+ jz 2f
+" /* cld */ "\
+ test%L0 %3,%0
+ jz 1f
+ movs%W0
+ dec%L2 %2
+1: shr%L2 %2
+ rep
+ movs%L0
+ jnc 2f
+ movs%W0
+2:"
+ : "=D"(d), "=S"(s), "=c"(count)
+ : "g"(2), "0"(d), "1"(s), "2"(count));
+#else
+ __asm__ __volatile__ ("rep\n\tmovsw"
+ : "=D"(d), "=S"(s), "=c"(count)
+ : "0"(d), "1"(s), "2"(count / 2));
+#endif
+}
+
+#define scr_memcpyw_from(d, s, count) \
+ { \
+ _scr_memcpyw_from((d), (s), (count)); \
+ _scr_memcpyw_from(pc9800_attr_offset(d), pc9800_attr_offset(s), \
+ (count)); \
+ }
+
+#ifdef CONFIG_GDC_32BITACCESS
+# define _scr_memcpyw_to _scr_memcpyw
+#else
+# define _scr_memcpyw_to _scr_memcpyw_from
+#endif
+
+#endif /* _LINUX_ASM_GDC_H_ */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/asm-i386/pc9800_sca.h linux.50-ac1/include/asm-i386/pc9800_sca.h
--- linux.50/include/asm-i386/pc9800_sca.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.50-ac1/include/asm-i386/pc9800_sca.h 2002-10-31 15:06:16.000000000 +0000
@@ -0,0 +1,25 @@
+/*
+ * System-common area definitions for NEC PC-9800 series
+ *
+ * Copyright (C) 1999 TAKAI Kousuke <tak@kmc.kyoto-u.ac.jp>,
+ * Kyoto University Microcomputer Club.
+ */
+
+#ifndef _ASM_I386_PC9800SCA_H_
+#define _ASM_I386_PC9800SCA_H_
+
+#define PC9800SCA_EXPMMSZ (0x0401) /* B */
+#define PC9800SCA_SCSI_PARAMS (0x0460) /* 8 * 4B */
+#define PC9800SCA_DISK_EQUIPS (0x0482) /* B */
+#define PC9800SCA_XROM_ID (0x04C0) /* 52B */
+#define PC9800SCA_BIOS_FLAG (0x0501) /* B */
+#define PC9800SCA_MMSZ16M (0x0594) /* W */
+
+/* PC-9821 have additional system common area in their BIOS-ROM segment. */
+
+#define PC9821SCA__BASE (0xF8E8 << 4)
+#define PC9821SCA_ROM_ID (PC9821SCA__BASE + 0x00)
+#define PC9821SCA_ROM_FLAG4 (PC9821SCA__BASE + 0x05)
+#define PC9821SCA_RSFLAGS (PC9821SCA__BASE + 0x11) /* B */
+
+#endif /* !_ASM_I386_PC9800SCA_H_ */
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux-2.5.54/include/asm-i386/processor.h linux98-2.5.54/include/asm-i386/processor.h
--- linux-2.5.54/include/asm-i386/processor.h 2003-01-02 12:21:01.000000000 +0900
+++ linux98-2.5.54/include/asm-i386/processor.h 2003-01-04 10:47:57.000000000 +0900
@@ -92,7 +92,7 @@
#define current_cpu_data boot_cpu_data
#endif

-extern char ignore_irq13;
+extern char ignore_fpu_irq;

extern void identify_cpu(struct cpuinfo_x86 *);
extern void print_cpu_info(struct cpuinfo_x86 *);
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/asm-i386/serial.h linux.50-ac1/include/asm-i386/serial.h
--- linux.50/include/asm-i386/serial.h 2002-11-25 15:09:32.000000000 +0000
+++ linux.50-ac1/include/asm-i386/serial.h 2002-11-15 16:03:44.000000000 +0000
@@ -50,12 +50,19 @@

#define C_P(card,port) (((card)<<6|(port)<<3) + 1)

+#ifndef CONFIG_PC9800
#define STD_SERIAL_PORT_DEFNS \
/* UART CLK PORT IRQ FLAGS */ \
{ 0, BASE_BAUD, 0x3F8, 4, STD_COM_FLAGS }, /* ttyS0 */ \
{ 0, BASE_BAUD, 0x2F8, 3, STD_COM_FLAGS }, /* ttyS1 */ \
{ 0, BASE_BAUD, 0x3E8, 4, STD_COM_FLAGS }, /* ttyS2 */ \
{ 0, BASE_BAUD, 0x2E8, 3, STD_COM4_FLAGS }, /* ttyS3 */
+#else
+#define STD_SERIAL_PORT_DEFNS \
+ /* UART CLK PORT IRQ FLAGS */ \
+ { 0, BASE_BAUD, 0x30, 4, STD_COM_FLAGS }, /* ttyS0 */ \
+ { 0, BASE_BAUD, 0x238, 5, STD_COM_FLAGS }, /* ttyS1 */
+#endif /* CONFIG_PC9800 */


#ifdef CONFIG_SERIAL_MANY_PORTS
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/asm-i386/setup.h linux.50-ac1/include/asm-i386/setup.h
--- linux.50/include/asm-i386/setup.h 2002-11-25 15:09:32.000000000 +0000
+++ linux.50-ac1/include/asm-i386/setup.h 2002-10-31 15:06:16.000000000 +0000
@@ -28,6 +28,7 @@
#define APM_BIOS_INFO (*(struct apm_bios_info *) (PARAM+0x40))
#define DRIVE_INFO (*(struct drive_info_struct *) (PARAM+0x80))
#define SYS_DESC_TABLE (*(struct sys_desc_table_struct*)(PARAM+0xa0))
+#define PC9800_MISC_FLAGS (*(unsigned char *)(PARAM+0x1AF))
#define MOUNT_ROOT_RDONLY (*(unsigned short *) (PARAM+0x1F2))
#define RAMDISK_FLAGS (*(unsigned short *) (PARAM+0x1F8))
#define VIDEO_MODE (*(unsigned short *) (PARAM+0x1FA))
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/asm-i386/upd4990a.h linux.50-ac1/include/asm-i386/upd4990a.h
--- linux.50/include/asm-i386/upd4990a.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.50-ac1/include/asm-i386/upd4990a.h 2002-10-31 15:06:16.000000000 +0000
@@ -0,0 +1,58 @@
+/*
+ * Architecture dependent definitions
+ * for NEC uPD4990A serial I/O real-time clock.
+ *
+ * Copyright 2001 TAKAI Kousuke <tak@kmc.kyoto-u.ac.jp>
+ * Kyoto University Microcomputer Club (KMC).
+ *
+ * References:
+ * uPD4990A serial I/O real-time clock users' manual (Japanese)
+ * No. S12828JJ4V0UM00 (4th revision), NEC Corporation, 1999.
+ */
+
+#ifndef _ASM_I386_uPD4990A_H
+#define _ASM_I386_uPD4990A_H
+
+#include <linux/config.h>
+
+#ifdef CONFIG_PC9800
+
+#include <asm/io.h>
+
+#define UPD4990A_IO (0x0020)
+#define UPD4990A_IO_DATAOUT (0x0033)
+
+#define UPD4990A_OUTPUT_DATA_CLK(data, clk) \
+ outb((((data) & 1) << 5) | (((clk) & 1) << 4) \
+ | UPD4990A_PAR_SERIAL_MODE, UPD4990A_IO)
+
+#define UPD4990A_OUTPUT_CLK(clk) UPD4990A_OUTPUT_DATA_CLK(0, (clk))
+
+#define UPD4990A_OUTPUT_STROBE(stb) \
+ outb(((stb) << 3) | UPD4990A_PAR_SERIAL_MODE, UPD4990A_IO)
+
+/*
+ * Note: udelay() is *not* usable for UPD4990A_DELAY because
+ * the Linux kernel reads uPD4990A to set up system clock
+ * before calibrating delay...
+ */
+#define UPD4990A_DELAY(usec) \
+ do { \
+ if (__builtin_constant_p((usec)) && (usec) < 5) \
+ __asm__ (".rept %c1\n\toutb %%al,%0\n\t.endr" \
+ : : "N" (0x5F), \
+ "i" (((usec) * 10 + 5) / 6)); \
+ else { \
+ int _count = ((usec) * 10 + 5) / 6; \
+ __asm__ volatile ("1: outb %%al,%1\n\tloop 1b" \
+ : "=c" (_count) \
+ : "N" (0x5F), "0" (_count)); \
+ } \
+ } while (0)
+
+/* Caller should ignore all bits except bit0 */
+#define UPD4990A_READ_DATA() inb(UPD4990A_IO_DATAOUT)
+
+#endif /* CONFIG_PC9800 */
+
+#endif
diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.50/include/linux/upd4990a.h linux.50-ac1/include/linux/upd4990a.h
--- linux.50/include/linux/upd4990a.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.50-ac1/include/linux/upd4990a.h 2002-10-31 15:06:03.000000000 +0000
@@ -0,0 +1,140 @@
+/*
+ * Constant and architecture independent procedures
+ * for NEC uPD4990A serial I/O real-time clock.
+ *
+ * Copyright 2001 TAKAI Kousuke <tak@kmc.kyoto-u.ac.jp>
+ * Kyoto University Microcomputer Club (KMC).
+ *
+ * References:
+ * uPD4990A serial I/O real-time clock users' manual (Japanese)
+ * No. S12828JJ4V0UM00 (4th revision), NEC Corporation, 1999.
+ */
+
+#ifndef _LINUX_uPD4990A_H
+#define _LINUX_uPD4990A_H
+
+#include <asm/byteorder.h>
+
+#include <asm/upd4990a.h>
+
+/* Serial commands (4 bits) */
+#define UPD4990A_REGISTER_HOLD (0x0)
+#define UPD4990A_REGISTER_SHIFT (0x1)
+#define UPD4990A_TIME_SET_AND_COUNTER_HOLD (0x2)
+#define UPD4990A_TIME_READ (0x3)
+#define UPD4990A_TP_64HZ (0x4)
+#define UPD4990A_TP_256HZ (0x5)
+#define UPD4990A_TP_2048HZ (0x6)
+#define UPD4990A_TP_4096HZ (0x7)
+#define UPD4990A_TP_1S (0x8)
+#define UPD4990A_TP_10S (0x9)
+#define UPD4990A_TP_30S (0xA)
+#define UPD4990A_TP_60S (0xB)
+#define UPD4990A_INTERRUPT_RESET (0xC)
+#define UPD4990A_INTERRUPT_TIMER_START (0xD)
+#define UPD4990A_INTERRUPT_TIMER_STOP (0xE)
+#define UPD4990A_TEST_MODE_SET (0xF)
+
+/* Parallel commands (3 bits)
+ 0-6 are same with serial commands. */
+#define UPD4990A_PAR_SERIAL_MODE 7
+
+#ifndef UPD4990A_DELAY
+# include <linux/delay.h>
+# define UPD4990A_DELAY(usec) udelay((usec))
+#endif
+#ifndef UPD4990A_OUTPUT_DATA
+# define UPD4990A_OUTPUT_DATA(bit) \
+ do { \
+ UPD4990A_OUTPUT_DATA_CLK((bit), 0); \
+ UPD4990A_DELAY(1); /* t-DSU */ \
+ UPD4990A_OUTPUT_DATA_CLK((bit), 1); \
+ UPD4990A_DELAY(1); /* t-DHLD */ \
+ } while (0)
+#endif
+
+static __inline__ void upd4990a_serial_command(int command)
+{
+ UPD4990A_OUTPUT_DATA(command >> 0);
+ UPD4990A_OUTPUT_DATA(command >> 1);
+ UPD4990A_OUTPUT_DATA(command >> 2);
+ UPD4990A_OUTPUT_DATA(command >> 3);
+ UPD4990A_DELAY(1); /* t-HLD */
+ UPD4990A_OUTPUT_STROBE(1);
+ UPD4990A_DELAY(1); /* t-STB & t-d1 */
+ UPD4990A_OUTPUT_STROBE(0);
+ /* 19 microseconds extra delay is needed
+ iff previous mode is TIME READ command */
+}
+
+struct upd4990a_raw_data {
+ u8 sec; /* BCD */
+ u8 min; /* BCD */
+ u8 hour; /* BCD */
+ u8 mday; /* BCD */
+#if defined __LITTLE_ENDIAN_BITFIELD
+ unsigned wday :4; /* 0-6 */
+ unsigned mon :4; /* 1-based */
+#elif defined __BIG_ENDIAN_BITFIELD
+ unsigned mon :4; /* 1-based */
+ unsigned wday :4; /* 0-6 */
+#else
+# error Unknown bitfield endian!
+#endif
+ u8 year; /* BCD */
+};
+
+static __inline__ void upd4990a_get_time(struct upd4990a_raw_data *buf,
+ int leave_register_hold)
+{
+ int byte;
+
+ upd4990a_serial_command(UPD4990A_TIME_READ);
+ upd4990a_serial_command(UPD4990A_REGISTER_SHIFT);
+ UPD4990A_DELAY(19); /* t-d2 - t-d1 */
+
+ for (byte = 0; byte < 6; byte++) {
+ u8 tmp;
+ int bit;
+
+ for (tmp = 0, bit = 0; bit < 8; bit++) {
+ tmp = (tmp | (UPD4990A_READ_DATA() << 8)) >> 1;
+ UPD4990A_OUTPUT_CLK(1);
+ UPD4990A_DELAY(1);
+ UPD4990A_OUTPUT_CLK(0);
+ UPD4990A_DELAY(1);
+ }
+ ((u8 *) buf)[byte] = tmp;
+ }
+
+ /* The uPD4990A users' manual says that we should issue `Register
+ Hold' command after each data retrieval, or next `Time Read'
+ command may not work correctly. */
+ if (!leave_register_hold)
+ upd4990a_serial_command(UPD4990A_REGISTER_HOLD);
+}
+
+static __inline__ void upd4990a_set_time(const struct upd4990a_raw_data *data,
+ int time_set_only)
+{
+ int byte;
+
+ if (!time_set_only)
+ upd4990a_serial_command(UPD4990A_REGISTER_SHIFT);
+
+ for (byte = 0; byte < 6; byte++) {
+ int bit;
+ u8 tmp = ((const u8 *) data)[byte];
+
+ for (bit = 0; bit < 8; bit++, tmp >>= 1)
+ UPD4990A_OUTPUT_DATA(tmp);
+ }
+
+ upd4990a_serial_command(UPD4990A_TIME_SET_AND_COUNTER_HOLD);
+
+ /* Release counter hold and start the clock. */
+ if (!time_set_only)
+ upd4990a_serial_command(UPD4990A_REGISTER_HOLD);
+}
+
+#endif /* _LINUX_uPD4990A_H */
-
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