diff options
Diffstat (limited to 'arch')
26 files changed, 1806 insertions, 502 deletions
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index bd992c0048f..fbcc00c6c06 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -178,6 +178,13 @@ config ARCH_HAS_ILOG2_U64 bool default n +config EMULATED_CMPXCHG + bool + default y + help + Sparc32 does not have a CAS instruction like sparc64. cmpxchg() + is emulated, and therefore it is not completely atomic. + config SUN_PM bool default y diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c index f1401b57ccc..7b4612da74a 100644 --- a/arch/sparc/kernel/time.c +++ b/arch/sparc/kernel/time.c @@ -148,7 +148,7 @@ irqreturn_t timer_interrupt(int irq, void *dev_id) } /* Kick start a stopped clock (procedure from the Sun NVRAM/hostid FAQ). */ -static void __init kick_start_clock(void) +static void __devinit kick_start_clock(void) { struct mostek48t02 *regs = (struct mostek48t02 *)mstk48t02_regs; unsigned char sec; @@ -223,7 +223,7 @@ static __inline__ int has_low_battery(void) return (data1 == data2); /* Was the write blocked? */ } -static void __init mostek_set_system_time(void) +static void __devinit mostek_set_system_time(void) { unsigned int year, mon, day, hour, min, sec; struct mostek48t02 *mregs; diff --git a/arch/sparc/lib/atomic32.c b/arch/sparc/lib/atomic32.c index 559335f4917..617d29832e1 100644 --- a/arch/sparc/lib/atomic32.c +++ b/arch/sparc/lib/atomic32.c @@ -2,6 +2,7 @@ * atomic32.c: 32-bit atomic_t implementation * * Copyright (C) 2004 Keith M Wesolowski + * Copyright (C) 2007 Kyle McMartin * * Based on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf */ @@ -117,3 +118,17 @@ unsigned long ___change_bit(unsigned long *addr, unsigned long mask) return old & mask; } EXPORT_SYMBOL(___change_bit); + +unsigned long __cmpxchg_u32(volatile u32 *ptr, u32 old, u32 new) +{ + unsigned long flags; + u32 prev; + + spin_lock_irqsave(ATOMIC_HASH(addr), flags); + if ((prev = *ptr) == old) + *ptr = new; + spin_unlock_irqrestore(ATOMIC_HASH(addr), flags); + + return (unsigned long)prev; +} +EXPORT_SYMBOL(__cmpxchg_u32); diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig index 831781cab27..bd00f89eed1 100644 --- a/arch/sparc64/Kconfig +++ b/arch/sparc64/Kconfig @@ -147,10 +147,10 @@ config SMP If you don't know what to do here, say N. config NR_CPUS - int "Maximum number of CPUs (2-64)" - range 2 64 + int "Maximum number of CPUs (2-1024)" + range 2 1024 depends on SMP - default "32" + default "64" source "drivers/cpufreq/Kconfig" diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile index c749dccacc3..d8d19093d12 100644 --- a/arch/sparc64/kernel/Makefile +++ b/arch/sparc64/kernel/Makefile @@ -8,11 +8,11 @@ EXTRA_CFLAGS := -Werror extra-y := head.o init_task.o vmlinux.lds obj-y := process.o setup.o cpu.o idprom.o \ - traps.o devices.o auxio.o una_asm.o \ + traps.o auxio.o una_asm.o \ irq.o ptrace.o time.o sys_sparc.o signal.o \ unaligned.o central.o pci.o starfire.o semaphore.o \ power.o sbus.o iommu_common.o sparc64_ksyms.o chmc.o \ - visemul.o prom.o of_device.o hvapi.o + visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o obj-$(CONFIG_STACKTRACE) += stacktrace.o obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o pci_iommu.o \ diff --git a/arch/sparc64/kernel/devices.c b/arch/sparc64/kernel/devices.c deleted file mode 100644 index 0e03c8e218c..00000000000 --- a/arch/sparc64/kernel/devices.c +++ /dev/null @@ -1,196 +0,0 @@ -/* devices.c: Initial scan of the prom device tree for important - * Sparc device nodes which we need to find. - * - * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu) - */ - -#include <linux/kernel.h> -#include <linux/threads.h> -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/string.h> -#include <linux/spinlock.h> -#include <linux/errno.h> -#include <linux/bootmem.h> - -#include <asm/page.h> -#include <asm/oplib.h> -#include <asm/system.h> -#include <asm/smp.h> -#include <asm/spitfire.h> -#include <asm/timer.h> -#include <asm/cpudata.h> - -/* Used to synchronize accesses to NatSemi SUPER I/O chip configure - * operations in asm/ns87303.h - */ -DEFINE_SPINLOCK(ns87303_lock); - -extern void cpu_probe(void); -extern void central_probe(void); - -static const char *cpu_mid_prop(void) -{ - if (tlb_type == spitfire) - return "upa-portid"; - return "portid"; -} - -static int get_cpu_mid(struct device_node *dp) -{ - struct property *prop; - - if (tlb_type == hypervisor) { - struct linux_prom64_registers *reg; - int len; - - prop = of_find_property(dp, "cpuid", &len); - if (prop && len == 4) - return *(int *) prop->value; - - prop = of_find_property(dp, "reg", NULL); - reg = prop->value; - return (reg[0].phys_addr >> 32) & 0x0fffffffUL; - } else { - const char *prop_name = cpu_mid_prop(); - - prop = of_find_property(dp, prop_name, NULL); - if (prop) - return *(int *) prop->value; - return 0; - } -} - -static int check_cpu_node(struct device_node *dp, int *cur_inst, - int (*compare)(struct device_node *, int, void *), - void *compare_arg, - struct device_node **dev_node, int *mid) -{ - if (!compare(dp, *cur_inst, compare_arg)) { - if (dev_node) - *dev_node = dp; - if (mid) - *mid = get_cpu_mid(dp); - return 0; - } - - (*cur_inst)++; - - return -ENODEV; -} - -static int __cpu_find_by(int (*compare)(struct device_node *, int, void *), - void *compare_arg, - struct device_node **dev_node, int *mid) -{ - struct device_node *dp; - int cur_inst; - - cur_inst = 0; - for_each_node_by_type(dp, "cpu") { - int err = check_cpu_node(dp, &cur_inst, - compare, compare_arg, - dev_node, mid); - if (err == 0) - return 0; - } - - return -ENODEV; -} - -static int cpu_instance_compare(struct device_node *dp, int instance, void *_arg) -{ - int desired_instance = (int) (long) _arg; - - if (instance == desired_instance) - return 0; - return -ENODEV; -} - -int cpu_find_by_instance(int instance, struct device_node **dev_node, int *mid) -{ - return __cpu_find_by(cpu_instance_compare, (void *)(long)instance, - dev_node, mid); -} - -static int cpu_mid_compare(struct device_node *dp, int instance, void *_arg) -{ - int desired_mid = (int) (long) _arg; - int this_mid; - - this_mid = get_cpu_mid(dp); - if (this_mid == desired_mid) - return 0; - return -ENODEV; -} - -int cpu_find_by_mid(int mid, struct device_node **dev_node) -{ - return __cpu_find_by(cpu_mid_compare, (void *)(long)mid, - dev_node, NULL); -} - -void __init device_scan(void) -{ - /* FIX ME FAST... -DaveM */ - ioport_resource.end = 0xffffffffffffffffUL; - - prom_printf("Booting Linux...\n"); - -#ifndef CONFIG_SMP - { - struct device_node *dp; - int err, def; - - err = cpu_find_by_instance(0, &dp, NULL); - if (err) { - prom_printf("No cpu nodes, cannot continue\n"); - prom_halt(); - } - cpu_data(0).clock_tick = - of_getintprop_default(dp, "clock-frequency", 0); - - def = ((tlb_type == hypervisor) ? - (8 * 1024) : - (16 * 1024)); - cpu_data(0).dcache_size = of_getintprop_default(dp, - "dcache-size", - def); - - def = 32; - cpu_data(0).dcache_line_size = - of_getintprop_default(dp, "dcache-line-size", def); - - def = 16 * 1024; - cpu_data(0).icache_size = of_getintprop_default(dp, - "icache-size", - def); - - def = 32; - cpu_data(0).icache_line_size = - of_getintprop_default(dp, "icache-line-size", def); - - def = ((tlb_type == hypervisor) ? - (3 * 1024 * 1024) : - (4 * 1024 * 1024)); - cpu_data(0).ecache_size = of_getintprop_default(dp, - "ecache-size", - def); - - def = 64; - cpu_data(0).ecache_line_size = - of_getintprop_default(dp, "ecache-line-size", def); - printk("CPU[0]: Caches " - "D[sz(%d):line_sz(%d)] " - "I[sz(%d):line_sz(%d)] " - "E[sz(%d):line_sz(%d)]\n", - cpu_data(0).dcache_size, cpu_data(0).dcache_line_size, - cpu_data(0).icache_size, cpu_data(0).icache_line_size, - cpu_data(0).ecache_size, cpu_data(0).ecache_line_size); - } -#endif - - central_probe(); - - cpu_probe(); -} diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index 732b77cb71f..8f10dda0f5c 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1725,96 +1725,142 @@ real_hard_smp_processor_id: * returns %o0: sysino */ .globl sun4v_devino_to_sysino + .type sun4v_devino_to_sysino,#function sun4v_devino_to_sysino: mov HV_FAST_INTR_DEVINO2SYSINO, %o5 ta HV_FAST_TRAP retl mov %o1, %o0 + .size sun4v_devino_to_sysino, .-sun4v_devino_to_sysino /* %o0: sysino * * returns %o0: intr_enabled (HV_INTR_{DISABLED,ENABLED}) */ .globl sun4v_intr_getenabled + .type sun4v_intr_getenabled,#function sun4v_intr_getenabled: mov HV_FAST_INTR_GETENABLED, %o5 ta HV_FAST_TRAP retl mov %o1, %o0 + .size sun4v_intr_getenabled, .-sun4v_intr_getenabled /* %o0: sysino * %o1: intr_enabled (HV_INTR_{DISABLED,ENABLED}) */ .globl sun4v_intr_setenabled + .type sun4v_intr_setenabled,#function sun4v_intr_setenabled: mov HV_FAST_INTR_SETENABLED, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_intr_setenabled, .-sun4v_intr_setenabled /* %o0: sysino * * returns %o0: intr_state (HV_INTR_STATE_*) */ .globl sun4v_intr_getstate + .type sun4v_intr_getstate,#function sun4v_intr_getstate: mov HV_FAST_INTR_GETSTATE, %o5 ta HV_FAST_TRAP retl mov %o1, %o0 + .size sun4v_intr_getstate, .-sun4v_intr_getstate /* %o0: sysino * %o1: intr_state (HV_INTR_STATE_*) */ .globl sun4v_intr_setstate + .type sun4v_intr_setstate,#function sun4v_intr_setstate: mov HV_FAST_INTR_SETSTATE, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_intr_setstate, .-sun4v_intr_setstate /* %o0: sysino * * returns %o0: cpuid */ .globl sun4v_intr_gettarget + .type sun4v_intr_gettarget,#function sun4v_intr_gettarget: mov HV_FAST_INTR_GETTARGET, %o5 ta HV_FAST_TRAP retl mov %o1, %o0 + .size sun4v_intr_gettarget, .-sun4v_intr_gettarget /* %o0: sysino * %o1: cpuid */ .globl sun4v_intr_settarget + .type sun4v_intr_settarget,#function sun4v_intr_settarget: mov HV_FAST_INTR_SETTARGET, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_intr_settarget, .-sun4v_intr_settarget - /* %o0: type - * %o1: queue paddr - * %o2: num queue entries + /* %o0: cpuid + * %o1: pc + * %o2: rtba + * %o3: arg0 * * returns %o0: status */ - .globl sun4v_cpu_qconf -sun4v_cpu_qconf: - mov HV_FAST_CPU_QCONF, %o5 + .globl sun4v_cpu_start + .type sun4v_cpu_start,#function +sun4v_cpu_start: + mov HV_FAST_CPU_START, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_cpu_start, .-sun4v_cpu_start - /* returns %o0: status + /* %o0: cpuid + * + * returns %o0: status */ + .globl sun4v_cpu_stop + .type sun4v_cpu_stop,#function +sun4v_cpu_stop: + mov HV_FAST_CPU_STOP, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_cpu_stop, .-sun4v_cpu_stop + + /* returns %o0: status */ .globl sun4v_cpu_yield + .type sun4v_cpu_yield, #function sun4v_cpu_yield: mov HV_FAST_CPU_YIELD, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_cpu_yield, .-sun4v_cpu_yield + + /* %o0: type + * %o1: queue paddr + * %o2: num queue entries + * + * returns %o0: status + */ + .globl sun4v_cpu_qconf + .type sun4v_cpu_qconf,#function +sun4v_cpu_qconf: + mov HV_FAST_CPU_QCONF, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_cpu_qconf, .-sun4v_cpu_qconf /* %o0: num cpus in cpu list * %o1: cpu list paddr @@ -1823,11 +1869,13 @@ sun4v_cpu_yield: * returns %o0: status */ .globl sun4v_cpu_mondo_send + .type sun4v_cpu_mondo_send,#function sun4v_cpu_mondo_send: mov HV_FAST_CPU_MONDO_SEND, %o5 ta HV_FAST_TRAP retl nop + .size sun4v_cpu_mondo_send, .-sun4v_cpu_mondo_send /* %o0: CPU ID * @@ -1835,6 +1883,7 @@ sun4v_cpu_mondo_send: * %o0: cpu state as HV_CPU_STATE_* */ .globl sun4v_cpu_state + .type sun4v_cpu_state,#function sun4v_cpu_state: mov HV_FAST_CPU_STATE, %o5 ta HV_FAST_TRAP @@ -1843,6 +1892,37 @@ sun4v_cpu_state: mov %o1, %o0 1: retl nop + .size sun4v_cpu_state, .-sun4v_cpu_state + + /* %o0: virtual address + * %o1: must be zero + * %o2: TTE + * %o3: HV_MMU_* flags + * + * returns %o0: status + */ + .globl sun4v_mmu_map_perm_addr + .type sun4v_mmu_map_perm_addr,#function +sun4v_mmu_map_perm_addr: + mov HV_FAST_MMU_MAP_PERM_ADDR, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_mmu_map_perm_addr, .-sun4v_mmu_map_perm_addr + + /* %o0: number of TSB descriptions + * %o1: TSB descriptions real address + * + * returns %o0: status + */ + .globl sun4v_mmu_tsb_ctx0 + .type sun4v_mmu_tsb_ctx0,#function +sun4v_mmu_tsb_ctx0: + mov HV_FAST_MMU_TSB_CTX0, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_mmu_tsb_ctx0, .-sun4v_mmu_tsb_ctx0 /* %o0: API group number * %o1: pointer to unsigned long major number storage @@ -1851,6 +1931,7 @@ sun4v_cpu_state: * returns %o0: status */ .globl sun4v_get_version + .type sun4v_get_version,#function sun4v_get_version: mov HV_CORE_GET_VER, %o5 mov %o1, %o3 @@ -1859,6 +1940,7 @@ sun4v_get_version: stx %o1, [%o3] retl stx %o2, [%o4] + .size sun4v_get_version, .-sun4v_get_version /* %o0: API group number * %o1: desired major number @@ -1868,18 +1950,49 @@ sun4v_get_version: * returns %o0: status */ .globl sun4v_set_version + .type sun4v_set_version,#function sun4v_set_version: mov HV_CORE_SET_VER, %o5 mov %o3, %o4 ta HV_CORE_TRAP retl stx %o1, [%o4] + .size sun4v_set_version, .-sun4v_set_version + + /* %o0: pointer to unsigned long time + * + * returns %o0: status + */ + .globl sun4v_tod_get + .type sun4v_tod_get,#function +sun4v_tod_get: + mov %o0, %o4 + mov HV_FAST_TOD_GET, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop + .size sun4v_tod_get, .-sun4v_tod_get + + /* %o0: time + * + * returns %o0: status + */ + .globl sun4v_tod_set + .type sun4v_tod_set,#function +sun4v_tod_set: + mov HV_FAST_TOD_SET, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_tod_set, .-sun4v_tod_set /* %o0: pointer to unsigned long status * * returns %o0: signed character */ .globl sun4v_con_getchar + .type sun4v_con_getchar,#function sun4v_con_getchar: mov %o0, %o4 mov HV_FAST_CONS_GETCHAR, %o5 @@ -1889,17 +2002,20 @@ sun4v_con_getchar: stx %o0, [%o4] retl sra %o1, 0, %o0 + .size sun4v_con_getchar, .-sun4v_con_getchar /* %o0: signed long character * * returns %o0: status */ .globl sun4v_con_putchar + .type sun4v_con_putchar,#function sun4v_con_putchar: mov HV_FAST_CONS_PUTCHAR, %o5 ta HV_FAST_TRAP retl sra %o0, 0, %o0 + .size sun4v_con_putchar, .-sun4v_con_putchar /* %o0: buffer real address * %o1: buffer size @@ -1908,6 +2024,7 @@ sun4v_con_putchar: * returns %o0: status */ .globl sun4v_con_read + .type sun4v_con_read,#function sun4v_con_read: mov %o2, %o4 mov HV_FAST_CONS_READ, %o5 @@ -1922,6 +2039,7 @@ sun4v_con_read: stx %o1, [%o4] 1: retl nop + .size sun4v_con_read, .-sun4v_con_read /* %o0: buffer real address * %o1: buffer size @@ -1930,6 +2048,7 @@ sun4v_con_read: * returns %o0: status */ .globl sun4v_con_write + .type sun4v_con_write,#function sun4v_con_write: mov %o2, %o4 mov HV_FAST_CONS_WRITE, %o5 @@ -1937,3 +2056,445 @@ sun4v_con_write: stx %o1, [%o4] retl nop + .size sun4v_con_write, .-sun4v_con_write + + /* %o0: soft state + * %o1: address of description string + * + * returns %o0: status + */ + .globl sun4v_mach_set_soft_state + .type sun4v_mach_set_soft_state,#function +sun4v_mach_set_soft_state: + mov HV_FAST_MACH_SET_SOFT_STATE, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_mach_set_soft_state, .-sun4v_mach_set_soft_state + + /* %o0: exit code + * + * Does not return. + */ + .globl sun4v_mach_exit + .type sun4v_mach_exit,#function +sun4v_mach_exit: + mov HV_FAST_MACH_EXIT, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_mach_exit, .-sun4v_mach_exit + + /* %o0: buffer real address + * %o1: buffer length + * %o2: pointer to unsigned long real_buf_len + * + * returns %o0: status + */ + .globl sun4v_mach_desc + .type sun4v_mach_desc,#function +sun4v_mach_desc: + mov %o2, %o4 + mov HV_FAST_MACH_DESC, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop + .size sun4v_mach_desc, .-sun4v_mach_desc + + /* %o0: new timeout in milliseconds + * %o1: pointer to unsigned long orig_timeout + * + * returns %o0: status + */ + .globl sun4v_mach_set_watchdog + .type sun4v_mach_set_watchdog,#function +sun4v_mach_set_watchdog: + mov %o1, %o4 + mov HV_FAST_MACH_SET_WATCHDOG, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop + .size sun4v_mach_set_watchdog, .-sun4v_mach_set_watchdog + + /* No inputs and does not return. */ + .globl sun4v_mach_sir + .type sun4v_mach_sir,#function +sun4v_mach_sir: + mov %o1, %o4 + mov HV_FAST_MACH_SIR, %o5 + ta HV_FAST_TRAP + stx %o1, [%o4] + retl + nop + .size sun4v_mach_sir, .-sun4v_mach_sir + + /* %o0: channel + * %o1: ra + * %o2: num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_tx_qconf + .type sun4v_ldc_tx_qconf,#function +sun4v_ldc_tx_qconf: + mov HV_FAST_LDC_TX_QCONF, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_tx_qconf, .-sun4v_ldc_tx_qconf + + /* %o0: channel + * %o1: pointer to unsigned long ra + * %o2: pointer to unsigned long num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_tx_qinfo + .type sun4v_ldc_tx_qinfo,#function +sun4v_ldc_tx_qinfo: + mov %o1, %g1 + mov %o2, %g2 + mov HV_FAST_LDC_TX_QINFO, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + retl + nop + .size sun4v_ldc_tx_qinfo, .-sun4v_ldc_tx_qinfo + + /* %o0: channel + * %o1: pointer to unsigned long head_off + * %o2: pointer to unsigned long tail_off + * %o2: pointer to unsigned long chan_state + * + * returns %o0: status + */ + .globl sun4v_ldc_tx_get_state + .type sun4v_ldc_tx_get_state,#function +sun4v_ldc_tx_get_state: + mov %o1, %g1 + mov %o2, %g2 + mov %o3, %g3 + mov HV_FAST_LDC_TX_GET_STATE, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + stx %o3, [%g3] + retl + nop + .size sun4v_ldc_tx_get_state, .-sun4v_ldc_tx_get_state + + /* %o0: channel + * %o1: tail_off + * + * returns %o0: status + */ + .globl sun4v_ldc_tx_set_qtail + .type sun4v_ldc_tx_set_qtail,#function +sun4v_ldc_tx_set_qtail: + mov HV_FAST_LDC_TX_SET_QTAIL, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_tx_set_qtail, .-sun4v_ldc_tx_set_qtail + + /* %o0: channel + * %o1: ra + * %o2: num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_rx_qconf + .type sun4v_ldc_rx_qconf,#function +sun4v_ldc_rx_qconf: + mov HV_FAST_LDC_RX_QCONF, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_rx_qconf, .-sun4v_ldc_rx_qconf + + /* %o0: channel + * %o1: pointer to unsigned long ra + * %o2: pointer to unsigned long num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_rx_qinfo + .type sun4v_ldc_rx_qinfo,#function +sun4v_ldc_rx_qinfo: + mov %o1, %g1 + mov %o2, %g2 + mov HV_FAST_LDC_RX_QINFO, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + retl + nop + .size sun4v_ldc_rx_qinfo, .-sun4v_ldc_rx_qinfo + + /* %o0: channel + * %o1: pointer to unsigned long head_off + * %o2: pointer to unsigned long tail_off + * %o2: pointer to unsigned long chan_state + * + * returns %o0: status + */ + .globl sun4v_ldc_rx_get_state + .type sun4v_ldc_rx_get_state,#function +sun4v_ldc_rx_get_state: + mov %o1, %g1 + mov %o2, %g2 + mov %o3, %g3 + mov HV_FAST_LDC_RX_GET_STATE, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + stx %o3, [%g3] + retl + nop + .size sun4v_ldc_rx_get_state, .-sun4v_ldc_rx_get_state + + /* %o0: channel + * %o1: head_off + * + * returns %o0: status + */ + .globl sun4v_ldc_rx_set_qhead + .type sun4v_ldc_rx_set_qhead,#function +sun4v_ldc_rx_set_qhead: + mov HV_FAST_LDC_RX_SET_QHEAD, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_rx_set_qhead, .-sun4v_ldc_rx_set_qhead + + /* %o0: channel + * %o1: ra + * %o2: num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_set_map_table + .type sun4v_ldc_set_map_table,#function +sun4v_ldc_set_map_table: + mov HV_FAST_LDC_SET_MAP_TABLE, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_set_map_table, .-sun4v_ldc_set_map_table + + /* %o0: channel + * %o1: pointer to unsigned long ra + * %o2: pointer to unsigned long num_entries + * + * returns %o0: status + */ + .globl sun4v_ldc_get_map_table + .type sun4v_ldc_get_map_table,#function +sun4v_ldc_get_map_table: + mov %o1, %g1 + mov %o2, %g2 + mov HV_FAST_LDC_GET_MAP_TABLE, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + retl + nop + .size sun4v_ldc_get_map_table, .-sun4v_ldc_get_map_table + + /* %o0: channel + * %o1: dir_code + * %o2: tgt_raddr + * %o3: lcl_raddr + * %o4: len + * %o5: pointer to unsigned long actual_len + * + * returns %o0: status + */ + .globl sun4v_ldc_copy + .type sun4v_ldc_copy,#function +sun4v_ldc_copy: + mov %o5, %g1 + mov HV_FAST_LDC_COPY, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + retl + nop + .size sun4v_ldc_copy, .-sun4v_ldc_copy + + /* %o0: channel + * %o1: cookie + * %o2: pointer to unsigned long ra + * %o3: pointer to unsigned long perm + * + * returns %o0: status + */ + .globl sun4v_ldc_mapin + .type sun4v_ldc_mapin,#function +sun4v_ldc_mapin: + mov %o2, %g1 + mov %o3, %g2 + mov HV_FAST_LDC_MAPIN, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + stx %o2, [%g2] + retl + nop + .size sun4v_ldc_mapin, .-sun4v_ldc_mapin + + /* %o0: ra + * + * returns %o0: status + */ + .globl sun4v_ldc_unmap + .type sun4v_ldc_unmap,#function +sun4v_ldc_unmap: + mov HV_FAST_LDC_UNMAP, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_unmap, .-sun4v_ldc_unmap + + /* %o0: cookie + * %o1: mte_cookie + * + * returns %o0: status + */ + .globl sun4v_ldc_revoke + .type sun4v_ldc_revoke,#function +sun4v_ldc_revoke: + mov HV_FAST_LDC_REVOKE, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_ldc_revoke, .-sun4v_ldc_revoke + + /* %o0: device handle + * %o1: device INO + * %o2: pointer to unsigned long cookie + * + * returns %o0: status + */ + .globl sun4v_vintr_get_cookie + .type sun4v_vintr_get_cookie,#function +sun4v_vintr_get_cookie: + mov %o2, %g1 + mov HV_FAST_VINTR_GET_COOKIE, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + retl + nop + .size sun4v_vintr_get_cookie, .-sun4v_vintr_get_cookie + + /* %o0: device handle + * %o1: device INO + * %o2: cookie + * + * returns %o0: status + */ + .globl sun4v_vintr_set_cookie + .type sun4v_vintr_set_cookie,#function +sun4v_vintr_set_cookie: + mov HV_FAST_VINTR_SET_COOKIE, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_vintr_set_cookie, .-sun4v_vintr_set_cookie + + /* %o0: device handle + * %o1: device INO + * %o2: pointer to unsigned long valid_state + * + * returns %o0: status + */ + .globl sun4v_vintr_get_valid + .type sun4v_vintr_get_valid,#function +sun4v_vintr_get_valid: + mov %o2, %g1 + mov HV_FAST_VINTR_GET_VALID, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + retl + nop + .size sun4v_vintr_get_valid, .-sun4v_vintr_get_valid + + /* %o0: device handle + * %o1: device INO + * %o2: valid_state + * + * returns %o0: status + */ + .globl sun4v_vintr_set_valid + .type sun4v_vintr_set_valid,#function +sun4v_vintr_set_valid: + mov HV_FAST_VINTR_SET_VALID, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_vintr_set_valid, .-sun4v_vintr_set_valid + + /* %o0: device handle + * %o1: device INO + * %o2: pointer to unsigned long state + * + * returns %o0: status + */ + .globl sun4v_vintr_get_state + .type sun4v_vintr_get_state,#function +sun4v_vintr_get_state: + mov %o2, %g1 + mov HV_FAST_VINTR_GET_STATE, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + retl + nop + .size sun4v_vintr_get_state, .-sun4v_vintr_get_state + + /* %o0: device handle + * %o1: device INO + * %o2: state + * + * returns %o0: status + */ + .globl sun4v_vintr_set_state + .type sun4v_vintr_set_state,#function +sun4v_vintr_set_state: + mov HV_FAST_VINTR_SET_STATE, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_vintr_set_state, .-sun4v_vintr_set_state + + /* %o0: device handle + * %o1: device INO + * %o2: pointer to unsigned long cpuid + * + * returns %o0: status + */ + .globl sun4v_vintr_get_target + .type sun4v_vintr_get_target,#function +sun4v_vintr_get_target: + mov %o2, %g1 + mov HV_FAST_VINTR_GET_TARGET, %o5 + ta HV_FAST_TRAP + stx %o1, [%g1] + retl + nop + .size sun4v_vintr_get_target, .-sun4v_vintr_get_target + + /* %o0: device handle + * %o1: device INO + * %o2: cpuid + * + * returns %o0: status + */ + .globl sun4v_vintr_set_target + .type sun4v_vintr_set_target,#function +sun4v_vintr_set_target: + mov HV_FAST_VINTR_SET_TARGET, %o5 + ta HV_FAST_TRAP + retl + nop + .size sun4v_vintr_set_target, .-sun4v_vintr_set_target diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S index baea10a9819..77259526cb1 100644 --- a/ |