diff options
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/Kconfig | 7 | ||||
| -rw-r--r-- | arch/parisc/include/asm/cacheflush.h | 6 | ||||
| -rw-r--r-- | arch/parisc/include/asm/compat.h | 6 | ||||
| -rw-r--r-- | arch/parisc/include/asm/elf.h | 69 | ||||
| -rw-r--r-- | arch/parisc/include/asm/io.h | 12 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/mman.h | 3 | ||||
| -rw-r--r-- | arch/parisc/include/uapi/asm/siginfo.h | 7 | ||||
| -rw-r--r-- | arch/parisc/kernel/binfmt_elf32.c | 98 | ||||
| -rw-r--r-- | arch/parisc/kernel/cache.c | 7 | ||||
| -rw-r--r-- | arch/parisc/kernel/drivers.c | 197 | ||||
| -rw-r--r-- | arch/parisc/kernel/hardware.c | 12 | ||||
| -rw-r--r-- | arch/parisc/kernel/hpmc.S | 6 | ||||
| -rw-r--r-- | arch/parisc/kernel/pacache.S | 9 | ||||
| -rw-r--r-- | arch/parisc/kernel/process.c | 19 | ||||
| -rw-r--r-- | arch/parisc/kernel/sys_parisc.c | 16 | ||||
| -rw-r--r-- | arch/parisc/kernel/time.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/traps.c | 7 | ||||
| -rw-r--r-- | arch/parisc/math-emu/fcnvff.c | 2 |
18 files changed, 287 insertions, 198 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index 9792d8cf4f56..fc5a574c3482 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -276,10 +276,8 @@ config SMP than one CPU, say Y. If you say N here, the kernel will run on uni- and multiprocessor - machines, but will use only one CPU of a multiprocessor machine. If - you say Y here, the kernel will run on many, but not all, - uniprocessor machines. On a uniprocessor machine, the kernel - will run faster if you say N here. + machines, but will use only one CPU of a multiprocessor machine. + On a uniprocessor machine, the kernel will run faster if you say N. See also <file:Documentation/nmi_watchdog.txt> and the SMP-HOWTO available at <http://www.tldp.org/docs.html#howto>. @@ -340,6 +338,7 @@ source "mm/Kconfig" config COMPAT def_bool y depends on 64BIT + select COMPAT_BINFMT_ELF if BINFMT_ELF config SYSVIPC_COMPAT def_bool y diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index bd5ce31936f5..0c83644bfa5c 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -55,10 +55,8 @@ void invalidate_kernel_vmap_range(void *vaddr, int size); #define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1 extern void flush_dcache_page(struct page *page); -#define flush_dcache_mmap_lock(mapping) \ - spin_lock_irq(&(mapping)->tree_lock) -#define flush_dcache_mmap_unlock(mapping) \ - spin_unlock_irq(&(mapping)->tree_lock) +#define flush_dcache_mmap_lock(mapping) xa_lock_irq(&mapping->i_pages) +#define flush_dcache_mmap_unlock(mapping) xa_unlock_irq(&mapping->i_pages) #define flush_icache_page(vma,page) do { \ flush_kernel_dcache_page(page); \ diff --git a/arch/parisc/include/asm/compat.h b/arch/parisc/include/asm/compat.h index c22db5323244..57b8b2a2fd4e 100644 --- a/arch/parisc/include/asm/compat.h +++ b/arch/parisc/include/asm/compat.h @@ -193,6 +193,12 @@ struct compat_shmid64_ds { }; /* + * The type of struct elf_prstatus.pr_reg in compatible core dumps. + */ +#define COMPAT_ELF_NGREG 80 +typedef compat_ulong_t compat_elf_gregset_t[COMPAT_ELF_NGREG]; + +/* * A pointer passed in from user mode. This should not * be used for syscall parameters, just declare them * as pointers because the syscall entry code will have diff --git a/arch/parisc/include/asm/elf.h b/arch/parisc/include/asm/elf.h index 382d75a2ee4f..f019d3ec0c1c 100644 --- a/arch/parisc/include/asm/elf.h +++ b/arch/parisc/include/asm/elf.h @@ -6,7 +6,7 @@ * ELF register definitions.. */ -#include <asm/ptrace.h> +#include <linux/types.h> #define EM_PARISC 15 @@ -169,16 +169,12 @@ typedef struct elf64_fdesc { __u64 gp; } Elf64_Fdesc; -#ifdef __KERNEL__ - #ifdef CONFIG_64BIT #define Elf_Fdesc Elf64_Fdesc #else #define Elf_Fdesc Elf32_Fdesc #endif /*CONFIG_64BIT*/ -#endif /*__KERNEL__*/ - /* Legal values for p_type field of Elf32_Phdr/Elf64_Phdr. */ #define PT_HP_TLS (PT_LOOS + 0x0) @@ -213,44 +209,44 @@ typedef struct elf64_fdesc { #define PF_HP_SBP 0x08000000 /* + * This yields a string that ld.so will use to load implementation + * specific libraries for optimization. This is more specific in + * intent than poking at uname or /proc/cpuinfo. + */ + +#define ELF_PLATFORM ("PARISC") + +/* * The following definitions are those for 32-bit ELF binaries on a 32-bit * kernel and for 64-bit binaries on a 64-bit kernel. To run 32-bit binaries - * on a 64-bit kernel, arch/parisc/kernel/binfmt_elf32.c defines these - * macros appropriately and then #includes binfmt_elf.c, which then includes - * this file. + * on a 64-bit kernel, fs/compat_binfmt_elf.c defines ELF_CLASS and then + * #includes binfmt_elf.c, which then includes this file. */ #ifndef ELF_CLASS -/* - * This is used to ensure we don't load something for the wrong architecture. - * - * Note that this header file is used by default in fs/binfmt_elf.c. So - * the following macros are for the default case. However, for the 64 - * bit kernel we also support 32 bit parisc binaries. To do that - * arch/parisc/kernel/binfmt_elf32.c defines its own set of these - * macros, and then it includes fs/binfmt_elf.c to provide an alternate - * elf binary handler for 32 bit binaries (on the 64 bit kernel). - */ #ifdef CONFIG_64BIT -#define ELF_CLASS ELFCLASS64 +#define ELF_CLASS ELFCLASS64 #else #define ELF_CLASS ELFCLASS32 #endif typedef unsigned long elf_greg_t; -/* - * This yields a string that ld.so will use to load implementation - * specific libraries for optimization. This is more specific in - * intent than poking at uname or /proc/cpuinfo. - */ - -#define ELF_PLATFORM ("PARISC\0") - #define SET_PERSONALITY(ex) \ +({ \ set_personality((current->personality & ~PER_MASK) | PER_LINUX); \ current->thread.map_base = DEFAULT_MAP_BASE; \ - current->thread.task_size = DEFAULT_TASK_SIZE \ + current->thread.task_size = DEFAULT_TASK_SIZE; \ + }) + +#endif /* ! ELF_CLASS */ + +#define COMPAT_SET_PERSONALITY(ex) \ +({ \ + set_thread_flag(TIF_32BIT); \ + current->thread.map_base = DEFAULT_MAP_BASE32; \ + current->thread.task_size = DEFAULT_TASK_SIZE32; \ + }) /* * Fill in general registers in a core dump. This saves pretty @@ -277,10 +273,12 @@ typedef unsigned long elf_greg_t; #define ELF_CORE_COPY_REGS(dst, pt) \ memset(dst, 0, sizeof(dst)); /* don't leak any "random" bits */ \ - memcpy(dst + 0, pt->gr, 32 * sizeof(elf_greg_t)); \ - memcpy(dst + 32, pt->sr, 8 * sizeof(elf_greg_t)); \ - memcpy(dst + 40, pt->iaoq, 2 * sizeof(elf_greg_t)); \ - memcpy(dst + 42, pt->iasq, 2 * sizeof(elf_greg_t)); \ + { int i; \ + for (i = 0; i < 32; i++) dst[i] = pt->gr[i]; \ + for (i = 0; i < 8; i++) dst[32 + i] = pt->sr[i]; \ + } \ + dst[40] = pt->iaoq[0]; dst[41] = pt->iaoq[1]; \ + dst[42] = pt->iasq[0]; dst[43] = pt->iasq[1]; \ dst[44] = pt->sar; dst[45] = pt->iir; \ dst[46] = pt->isr; dst[47] = pt->ior; \ dst[48] = mfctl(22); dst[49] = mfctl(0); \ @@ -292,7 +290,7 @@ typedef unsigned long elf_greg_t; dst[60] = mfctl(12); dst[61] = mfctl(13); \ dst[62] = mfctl(10); dst[63] = mfctl(15); -#endif /* ! ELF_CLASS */ +#define CORE_DUMP_USE_REGSET #define ELF_NGREG 80 /* We only need 64 at present, but leave space for expansion. */ @@ -310,7 +308,10 @@ extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *); struct pt_regs; /* forward declaration... */ -#define elf_check_arch(x) ((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELF_CLASS) +#define elf_check_arch(x) \ + ((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELF_CLASS) +#define compat_elf_check_arch(x) \ + ((x)->e_machine == EM_PARISC && (x)->e_ident[EI_CLASS] == ELFCLASS32) /* * These are used to set parameters in the core dumps. diff --git a/arch/parisc/include/asm/io.h b/arch/parisc/include/asm/io.h index 27c62baa9c4e..afe493b23d04 100644 --- a/arch/parisc/include/asm/io.h +++ b/arch/parisc/include/asm/io.h @@ -183,15 +183,15 @@ static inline unsigned char readb(const volatile void __iomem *addr) } static inline unsigned short readw(const volatile void __iomem *addr) { - return le16_to_cpu(__raw_readw(addr)); + return le16_to_cpu((__le16 __force) __raw_readw(addr)); } static inline unsigned int readl(const volatile void __iomem *addr) { - return le32_to_cpu(__raw_readl(addr)); + return le32_to_cpu((__le32 __force) __raw_readl(addr)); } static inline unsigned long long readq(const volatile void __iomem *addr) { - return le64_to_cpu(__raw_readq(addr)); + return le64_to_cpu((__le64 __force) __raw_readq(addr)); } static inline void writeb(unsigned char b, volatile void __iomem *addr) @@ -200,15 +200,15 @@ static inline void writeb(unsigned char b, volatile void __iomem *addr) } static inline void writew(unsigned short w, volatile void __iomem *addr) { - __raw_writew(cpu_to_le16(w), addr); + __raw_writew((__u16 __force) cpu_to_le16(w), addr); } static inline void writel(unsigned int l, volatile void __iomem *addr) { - __raw_writel(cpu_to_le32(l), addr); + __raw_writel((__u32 __force) cpu_to_le32(l), addr); } static inline void writeq(unsigned long long q, volatile void __iomem *addr) { - __raw_writeq(cpu_to_le64(q), addr); + __raw_writeq((__u64 __force) cpu_to_le64(q), addr); } #define readb readb diff --git a/arch/parisc/include/uapi/asm/mman.h b/arch/parisc/include/uapi/asm/mman.h index 80510ba44c08..870fbf8c7088 100644 --- a/arch/parisc/include/uapi/asm/mman.h +++ b/arch/parisc/include/uapi/asm/mman.h @@ -13,7 +13,7 @@ #define MAP_SHARED 0x01 /* Share changes */ #define MAP_PRIVATE 0x02 /* Changes are private */ #define MAP_SHARED_VALIDATE 0x03 /* share + validate extension flags */ -#define MAP_TYPE 0x03 /* Mask for type of mapping */ +#define MAP_TYPE 0x2b /* Mask for type of mapping, includes bits 0x08 and 0x20 */ #define MAP_FIXED 0x04 /* Interpret addr exactly */ #define MAP_ANONYMOUS 0x10 /* don't use a file */ @@ -26,6 +26,7 @@ #define MAP_NONBLOCK 0x20000 /* do not block on IO */ #define MAP_STACK 0x40000 /* give out an address that is best suited for process/thread stacks */ #define MAP_HUGETLB 0x80000 /* create a huge page mapping */ +#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */ #define MS_SYNC 1 /* synchronous memory sync */ #define MS_ASYNC 2 /* sync memory asynchronously */ diff --git a/arch/parisc/include/uapi/asm/siginfo.h b/arch/parisc/include/uapi/asm/siginfo.h index be40331f757d..4a1062e05aaf 100644 --- a/arch/parisc/include/uapi/asm/siginfo.h +++ b/arch/parisc/include/uapi/asm/siginfo.h @@ -8,11 +8,4 @@ #include <asm-generic/siginfo.h> -/* - * SIGFPE si_codes - */ -#ifdef __KERNEL__ -#define FPE_FIXME 0 /* Broken dup of SI_USER */ -#endif /* __KERNEL__ */ - #endif diff --git a/arch/parisc/kernel/binfmt_elf32.c b/arch/parisc/kernel/binfmt_elf32.c deleted file mode 100644 index 20dfa081ed0b..000000000000 --- a/arch/parisc/kernel/binfmt_elf32.c +++ /dev/null @@ -1,98 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Support for 32-bit Linux/Parisc ELF binaries on 64 bit kernels - * - * Copyright (C) 2000 John Marvin - * Copyright (C) 2000 Hewlett Packard Co. - * - * Heavily inspired from various other efforts to do the same thing - * (ia64,sparc64/mips64) - */ - -/* Make sure include/asm-parisc/elf.h does the right thing */ - -#define ELF_CLASS ELFCLASS32 - -#define ELF_CORE_COPY_REGS(dst, pt) \ - memset(dst, 0, sizeof(dst)); /* don't leak any "random" bits */ \ - { int i; \ - for (i = 0; i < 32; i++) dst[i] = (elf_greg_t) pt->gr[i]; \ - for (i = 0; i < 8; i++) dst[32 + i] = (elf_greg_t) pt->sr[i]; \ - } \ - dst[40] = (elf_greg_t) pt->iaoq[0]; dst[41] = (elf_greg_t) pt->iaoq[1]; \ - dst[42] = (elf_greg_t) pt->iasq[0]; dst[43] = (elf_greg_t) pt->iasq[1]; \ - dst[44] = (elf_greg_t) pt->sar; dst[45] = (elf_greg_t) pt->iir; \ - dst[46] = (elf_greg_t) pt->isr; dst[47] = (elf_greg_t) pt->ior; \ - dst[48] = (elf_greg_t) mfctl(22); dst[49] = (elf_greg_t) mfctl(0); \ - dst[50] = (elf_greg_t) mfctl(24); dst[51] = (elf_greg_t) mfctl(25); \ - dst[52] = (elf_greg_t) mfctl(26); dst[53] = (elf_greg_t) mfctl(27); \ - dst[54] = (elf_greg_t) mfctl(28); dst[55] = (elf_greg_t) mfctl(29); \ - dst[56] = (elf_greg_t) mfctl(30); dst[57] = (elf_greg_t) mfctl(31); \ - dst[58] = (elf_greg_t) mfctl( 8); dst[59] = (elf_greg_t) mfctl( 9); \ - dst[60] = (elf_greg_t) mfctl(12); dst[61] = (elf_greg_t) mfctl(13); \ - dst[62] = (elf_greg_t) mfctl(10); dst[63] = (elf_greg_t) mfctl(15); - - -typedef unsigned int elf_greg_t; - -#include <linux/spinlock.h> -#include <asm/processor.h> -#include <linux/module.h> -#include <linux/elfcore.h> -#include <linux/compat.h> /* struct compat_timeval */ - -#define elf_prstatus elf_prstatus32 -struct elf_prstatus32 -{ - struct elf_siginfo pr_info; /* Info associated with signal */ - short pr_cursig; /* Current signal */ - unsigned int pr_sigpend; /* Set of pending signals */ - unsigned int pr_sighold; /* Set of held signals */ - pid_t pr_pid; - pid_t pr_ppid; - pid_t pr_pgrp; - pid_t pr_sid; - struct compat_timeval pr_utime; /* User time */ - struct compat_timeval pr_stime; /* System time */ - struct compat_timeval pr_cutime; /* Cumulative user time */ - struct compat_timeval pr_cstime; /* Cumulative system time */ - elf_gregset_t pr_reg; /* GP registers */ - int pr_fpvalid; /* True if math co-processor being used. */ -}; - -#define elf_prpsinfo elf_prpsinfo32 -struct elf_prpsinfo32 -{ - char pr_state; /* numeric process state */ - char pr_sname; /* char for pr_state */ - char pr_zomb; /* zombie */ - char pr_nice; /* nice val */ - unsigned int pr_flag; /* flags */ - u16 pr_uid; - u16 pr_gid; - pid_t pr_pid, pr_ppid, pr_pgrp, pr_sid; - /* Lots missing */ - char pr_fname[16]; /* filename of executable */ - char pr_psargs[ELF_PRARGSZ]; /* initial part of arg list */ -}; - -#define init_elf_binfmt init_elf32_binfmt - -#define ELF_PLATFORM ("PARISC32\0") - -/* - * We should probably use this macro to set a flag somewhere to indicate - * this is a 32 on 64 process. We could use PER_LINUX_32BIT, or we - * could set a processor dependent flag in the thread_struct. - */ - -#undef SET_PERSONALITY -#define SET_PERSONALITY(ex) \ - set_thread_flag(TIF_32BIT); \ - current->thread.map_base = DEFAULT_MAP_BASE32; \ - current->thread.task_size = DEFAULT_TASK_SIZE32 \ - -#undef ns_to_timeval -#define ns_to_timeval ns_to_compat_timeval - -#include "../../../fs/binfmt_elf.c" diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index e3b45546d589..bddd2acebdcc 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -88,7 +88,8 @@ update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) return; page = pfn_to_page(pfn); - if (page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) { + if (page_mapping_file(page) && + test_bit(PG_dcache_dirty, &page->flags)) { flush_kernel_dcache_page_addr(pfn_va(pfn)); clear_bit(PG_dcache_dirty, &page->flags); } else if (parisc_requires_coherency()) @@ -253,7 +254,7 @@ parisc_cache_init(void) } } -void disable_sr_hashing(void) +void __init disable_sr_hashing(void) { int srhash_type, retval; unsigned long space_bits; @@ -304,7 +305,7 @@ __flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, void flush_dcache_page(struct page *page) { - struct address_space *mapping = page_mapping(page); + struct address_space *mapping = page_mapping_file(page); struct vm_area_struct *mpnt; unsigned long offset; unsigned long addr, old_addr = 0; diff --git a/arch/parisc/kernel/drivers.c b/arch/parisc/kernel/drivers.c index 29b99b8964aa..3b8507f71050 100644 --- a/arch/parisc/kernel/drivers.c +++ b/arch/parisc/kernel/drivers.c @@ -135,7 +135,7 @@ static int parisc_driver_probe(struct device *dev) return rc; } -static int parisc_driver_remove(struct device *dev) +static int __exit parisc_driver_remove(struct device *dev) { struct parisc_device *pa_dev = to_parisc_device(dev); struct parisc_driver *pa_drv = to_parisc_driver(dev->driver); @@ -205,7 +205,7 @@ static int match_and_count(struct device * dev, void * data) * Use by IOMMU support to "guess" the right size IOPdir. * Formula is something like memsize/(num_iommu * entry_size). */ -int count_parisc_driver(struct parisc_driver *driver) +int __init count_parisc_driver(struct parisc_driver *driver) { struct match_count m = { .driver = driver, @@ -268,7 +268,7 @@ static struct parisc_device *find_device_by_addr(unsigned long hpa) * Walks up the device tree looking for a device of the specified type. * If it finds it, it returns it. If not, it returns NULL. */ -const struct parisc_device * +const struct parisc_device * __init find_pa_parent_type(const struct parisc_device *padev, int type) { const struct device *dev = &padev->dev; @@ -397,7 +397,7 @@ static void setup_bus_id(struct parisc_device *padev) dev_set_name(&padev->dev, name); } -struct parisc_device * create_tree_node(char id, struct device *parent) +struct parisc_device * __init create_tree_node(char id, struct device *parent) { struct parisc_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (!dev) @@ -471,7 +471,7 @@ static struct parisc_device *create_parisc_device(struct hardware_path *modpath) return alloc_tree_node(parent, modpath->mod); } -struct parisc_device * +struct parisc_device * __init alloc_pa_dev(unsigned long hpa, struct hardware_path *mod_path) { int status; @@ -609,7 +609,7 @@ struct bus_type parisc_bus_type = { .uevent = parisc_uevent, .dev_groups = parisc_device_groups, .probe = parisc_driver_probe, - .remove = parisc_driver_remove, + .remove = __exit_p(parisc_driver_remove), }; /** @@ -619,7 +619,7 @@ struct bus_type parisc_bus_type = { * Search the driver list for a driver that is willing to manage * this device. */ -int register_parisc_device(struct parisc_device *dev) +int __init register_parisc_device(struct parisc_device *dev) { if (!dev) return 0; @@ -651,6 +651,10 @@ static int match_pci_device(struct device *dev, int index, (modpath->mod == PCI_FUNC(devfn))); } + /* index might be out of bounds for bc[] */ + if (index >= 6) + return 0; + id = PCI_SLOT(pdev->devfn) | (PCI_FUNC(pdev->devfn) << 5); return (modpath->bc[index] == id); } @@ -791,7 +795,7 @@ EXPORT_SYMBOL(device_to_hwpath); static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high, struct device *parent); -void walk_lower_bus(struct parisc_device *dev) +static void walk_lower_bus(struct parisc_device *dev) { unsigned long io_io_low, io_io_high; @@ -857,7 +861,7 @@ static void walk_native_bus(unsigned long io_io_low, unsigned long io_io_high, * PDC doesn't tell us about all devices in the system. This routine * finds devices connected to the central bus. */ -void walk_central_bus(void) +void __init walk_central_bus(void) { walk_native_bus(CENTRAL_BUS_ADDR, CENTRAL_BUS_ADDR + (MAX_NATIVE_DEVICES * NATIVE_DEVICE_OFFSET), @@ -886,7 +890,7 @@ static void print_parisc_device(struct parisc_device *dev) /** * init_parisc_bus - Some preparation to be done before inventory */ -void init_parisc_bus(void) +void __init init_parisc_bus(void) { if (bus_register(&parisc_bus_type)) panic("Could not register PA-RISC bus type\n"); @@ -895,6 +899,171 @@ void init_parisc_bus(void) get_device(&root); } +static __init void qemu_header(void) +{ + int num; + unsigned long *p; + + pr_info("--- cut here ---\n"); + pr_info("/* AUTO-GENERATED HEADER FILE FOR SEABIOS FIRMWARE */\n"); + pr_cont("/* generated with Linux kernel */\n"); + pr_cont("/* search for PARISC_QEMU_MACHINE_HEADER in Linux */\n\n"); + + pr_info("#define PARISC_MODEL \"%s\"\n\n", + boot_cpu_data.pdc.sys_model_name); + + pr_info("#define PARISC_PDC_MODEL 0x%lx, 0x%lx, 0x%lx, " + "0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%lx, 0x%lx\n\n", + #define p ((unsigned long *)&boot_cpu_data.pdc.model) + p[0], p[1], p[2], p[3], p[4], p[5], p[6], p[7], p[8]); + #undef p + + pr_info("#define PARISC_PDC_VERSION 0x%04lx\n\n", + boot_cpu_data.pdc.versions); + + pr_info("#define PARISC_PDC_CPUID 0x%04lx\n\n", + boot_cpu_data.pdc.cpuid); + + pr_info("#define PARISC_PDC_CAPABILITIES 0x%04lx\n\n", + boot_cpu_data.pdc.capabilities); + + pr_info("#define PARISC_PDC_ENTRY_ORG 0x%04lx\n\n", +#ifdef CONFIG_64BIT + (unsigned long)(PAGE0->mem_pdc_hi) << 32 | +#endif + (unsigned long)PAGE0->mem_pdc); + + pr_info("#define PARISC_PDC_CACHE_INFO"); + p = (unsigned long *) &cache_info; + for (num = 0; num < sizeof(cache_info); num += sizeof(unsigned long)) { + if (((num % 5) == 0)) { + pr_cont(" \\\n"); + pr_info("\t"); + } + pr_cont("%s0x%04lx", + num?", ":"", *p++); + } + pr_cont("\n\n"); +} + +static __init int qemu_print_hpa(struct device *lin_dev, void *data) +{ + struct parisc_device *dev = to_parisc_device(lin_dev); + unsigned long hpa = dev->hpa.start; + + pr_cont("\t{\t.hpa = 0x%08lx,\\\n", hpa); + pr_cont("\t\t.iodc = &iodc_data_hpa_%08lx,\\\n", hpa); + pr_cont("\t\t.mod_info = &mod_info_hpa_%08lx,\\\n", hpa); + pr_cont("\t\t.mod_path = &mod_path_hpa_%08lx,\\\n", hpa); + pr_cont("\t\t.num_addr = HPA_%08lx_num_addr,\\\n", hpa); + pr_cont("\t\t.add_addr = { HPA_%08lx_add_addr } },\\\n", hpa); + return 0; +} + + +static __init void qemu_footer(void) +{ + pr_info("\n\n#define PARISC_DEVICE_LIST \\\n"); + for_each_padev(qemu_print_hpa, NULL); + pr_cont("\t{ 0, }\n"); + pr_info("--- cut here ---\n"); +} + +/* print iodc data of the various hpa modules for qemu inclusion */ +static __init int qemu_print_iodc_data(struct device *lin_dev, void *data) +{ + struct parisc_device *dev = to_parisc_device(lin_dev); + unsigned long count; + unsigned long hpa = dev->hpa.start; + int status; + struct pdc_iodc iodc_data; + + int mod_index; + struct pdc_system_map_mod_info pdc_mod_info; + struct pdc_module_path mod_path; + + status = pdc_iodc_read(&count, hpa, 0, + &iodc_data, sizeof(iodc_data)); + if (status != PDC_OK) { + pr_info("No IODC data for hpa 0x%08lx\n", hpa); + return 0; + } + + pr_info("\n"); + + pr_info("#define HPA_%08lx_DESCRIPTION \"%s\"\n", + hpa, parisc_hardware_description(&dev->id)); + + mod_index = 0; + do { + status = pdc_system_map_find_mods(&pdc_mod_info, + &mod_path, mod_index++); + } while (status == PDC_OK && pdc_mod_info.mod_addr != hpa); + + pr_info("static struct pdc_system_map_mod_info" + " mod_info_hpa_%08lx = {\n", hpa); + #define DO(member) \ + pr_cont("\t." #member " = 0x%x,\n", \ + (unsigned int)pdc_mod_info.member) + DO(mod_addr); + DO(mod_pgs); + DO(add_addrs); + pr_cont("};\n"); + #undef DO + pr_info("static struct pdc_module_path " + "mod_path_hpa_%08lx = {\n", hpa); + pr_cont("\t.path = { "); + pr_cont(".flags = 0x%x, ", mod_path.path.flags); + pr_cont(".bc = { 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x }, ", + (unsigned char)mod_path.path.bc[0], + (unsigned char)mod_path.path.bc[1], + (unsigned char)mod_path.path.bc[2], + (unsigned char)mod_path.path.bc[3], + (unsigned char)mod_path.path.bc[4], + (unsigned char)mod_path.path.bc[5]); + pr_cont(".mod = 0x%x ", mod_path.path.mod); + pr_cont(" },\n"); + pr_cont("\t.layers = { 0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x }\n", + mod_path.layers[0], mod_path.layers[1], mod_path.layers[2], + mod_path.layers[3], mod_path.layers[4], mod_path.layers[5]); + pr_cont("};\n"); + + pr_info("static struct pdc_iodc iodc_data_hpa_%08lx = {\n", hpa); + #define DO(member) \ + pr_cont("\t." #member " = 0x%04lx,\n", \ + (unsigned long)iodc_data.member) + DO(hversion_model); + DO(hversion); + DO(spa); + DO(type); + DO(sversion_rev); + DO(sversion_model); + DO(sversion_opt); + DO(rev); + DO(dep); + DO(features); + DO(checksum); + DO(length); + #undef DO + pr_cont("\t/* pad: 0x%04x, 0x%04x */\n", + iodc_data.pad[0], iodc_data.pad[1]); + pr_cont("};\n"); + + pr_info("#define HPA_%08lx_num_addr %d\n", hpa, dev->num_addrs); + pr_info("#define HPA_%08lx_add_addr ", hpa); + count = 0; + if (dev->num_addrs == 0) + pr_cont("0"); + while (count < dev->num_addrs) { + pr_cont("0x%08lx, ", dev->addr[count]); + count++; + } + pr_cont("\n\n"); + + return 0; +} + + static int print_one_device(struct device * dev, void * data) { @@ -908,7 +1077,13 @@ static int print_one_device(struct device * dev, void * data) /** * print_parisc_devices - Print out a list of devices found in this system */ -void print_parisc_devices(void) +void __init print_parisc_devices(void) { for_each_padev(print_one_device, NULL); + #define PARISC_QEMU_MACHINE_HEADER 0 + if (PARISC_QEMU_MACHINE_HEADER) { + qemu_header(); + for_each_padev(qemu_print_iodc_data, NULL); + qemu_footer(); + } } diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index af3bc359dc70..a2058953a53f 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -41,7 +41,7 @@ * are guessed. If you know the correct name, please let us know. */ -static struct hp_hardware hp_hardware_list[] = { +static struct hp_hardware hp_hardware_list[] __initdata = { {HPHW_NPROC,0x01,0x4,0x0,"Indigo (840, 930)"}, {HPHW_NPROC,0x8,0x4,0x01,"Firefox(825,925)"}, {HPHW_NPROC,0xA,0x4,0x01,"Top Gun (835,834,935,635)"}, @@ -1238,7 +1238,7 @@ static struct hp_cpu_type_mask { unsigned short model; unsigned short mask; enum cpu_type cpu; -} hp_cpu_type_mask_list[] = { +} hp_cpu_type_mask_list[] __initdata = { { 0x0000, 0x0ff0, pcx }, /* 0x0000 - 0x000f */ { 0x0048, 0x0ff0, pcxl }, /* 0x0040 - 0x004f */ @@ -1325,17 +1325,17 @@ const char * const cpu_name_version[][2] = { [pcxt] = { "PA7100 (PCX-T)", "1.1b" }, [pcxt_] = { "PA7200 (PCX-T')", "1.1c" }, [pcxl] = { "PA7100LC (PCX-L)", "1.1d" }, - [pcxl2] = { "PA7300LC (PCX-L2)", "1.1e" }, + [pcxl2] = { "PA7300LC (PCX-L2)","1.1e" }, [pcxu] = { "PA8000 (PCX-U)", "2.0" }, [pcxu_] = { "PA8200 (PCX-U+)", "2.0" }, [pcxw] = { "PA8500 (PCX-W)", "2.0" }, [pcxw_] = { "PA8600 (PCX-W+)", "2.0" }, [pcxw2] = { "PA8700 (PCX-W2)", "2.0" }, [mako] = { "PA8800 (Mako)", "2.0" }, - [mako2] = { "PA8900 (Shortfin)", "2.0" } + [mako2] = { "PA8900 (Shortfin)","2.0" } }; -const char *parisc_hardware_description(struct parisc_device_id *id) +const char * __init parisc_hardware_description(struct parisc_device_id *id) { struct hp_hardware *listptr; @@ -1373,7 +1373,7 @@ const char *parisc_hardware_description(struct parisc_device_id *id) /* Interpret hversion (ret[0]) from PDC_MODEL(4)/PDC_MODEL_INFO(0) */ -enum cpu_type +enum cpu_type __init parisc_get_cpu_type(unsigned long hversion) { struct hp_cpu_type_mask *ptr; diff --git a/arch/parisc/kernel/hpmc.S b/arch/parisc/kernel/hpmc.S index 8d072c44f300..781c3b9a3e46 100644 --- a/arch/parisc/kernel/hpmc.S +++ b/arch/parisc/kernel/hpmc.S @@ -84,6 +84,7 @@ END(hpmc_pim_data) .text .import intr_save, code + .align 16 ENTRY_CFI(os_hpmc) .os_hpmc: @@ -300,12 +301,15 @@ os_hpmc_6: b . nop + .align 16 /* make function length multiple of 16 bytes */ ENDPROC_CFI(os_hpmc) .os_hpmc_end: __INITRODATA +.globl os_hpmc_size .align 4 - .export os_hpmc_size + .type os_hpmc_size, @object + .size os_hpmc_size, 4 os_hpmc_size: .word .os_hpmc_end-.os_hpmc diff --git a/arch/parisc/kernel/pacache.S b/arch/parisc/kernel/pacache.S index 67b0f7532e83..22e6374ece44 100644 --- a/arch/parisc/kernel/pacache.S +++ b/arch/parisc/kernel/pacache.S @@ -38,9 +38,10 @@ #include <asm/cache.h> #include <asm/ldcw.h> #include <linux/linkage.h> +#include <linux/init.h> - .text - .align 128 + .section .text.hot + .align 16 ENTRY_CFI(flush_tlb_all_local) .proc @@ -328,8 +329,6 @@ fdsync: .procend ENDPROC_CFI(flush_data_cache_local) - .align 16 - /* Macros to serialize TLB purge operations on SMP. */ .macro tlb_lock la,flags,tmp @@ -1216,6 +1215,8 @@ ENTRY_CFI(flush_kernel_icache_range_asm) .procend ENDPROC_CFI(flush_kernel_icache_range_asm) + __INIT + /* align should cover use of rfi in disable_sr_hashing_asm and * srdis_done. */ diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 6975a0627078..b931745815e0 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -112,14 +112,6 @@ void machine_restart(char *cmd) } -void machine_halt(void) -{ - /* - ** The LED/ChassisCodes are updated by the led_halt() - ** function, called by the reboot notifier chain. - */ -} - void (*chassis_power_off)(void); /* @@ -138,6 +130,10 @@ void machine_power_off(void) pdc_soft_power_button(0); pdc_chassis_send_status(PDC_CHASSIS_DIRECT_SHUTDOWN); + + /* ipmi_poweroff may have been installed. */ + if (pm_power_off) + pm_power_off(); /* It seems we have no way to power the system off via * software. The user has to press the button himself. */ @@ -151,9 +147,14 @@ void machine_power_off(void) for (;;); } -void (*pm_power_off)(void) = machine_power_off; +void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); +void machine_halt(void) +{ + machine_power_off(); +} + void flush_thread(void) { /* Only needs to handle fpu stuff or perf monitors. diff --git a/arch/parisc/kernel/sys_parisc.c b/arch/parisc/kernel/sys_parisc.c index 8c99ebbe2bac..43b308cfdf53 100644 --- a/arch/parisc/kernel/sys_parisc.c +++ b/arch/parisc/kernel/sys_parisc.c @@ -70,12 +70,18 @@ static inline unsigned long COLOR_ALIGN(unsigned long addr, * Top of mmap area (just below the process stack). */ -static unsigned long mmap_upper_limit(void) +/* + * When called from arch_get_unmapped_area(), rlim_stack will be NULL, + * indicating that "current" should be used instead of a passed-in + * value from the exec bprm as done with arch_pick_mmap_layout(). + */ +static unsigned long mmap_upper_limit(struct rlimit *rlim_stack) { unsigned long stack_base; /* Limit stack size - see setup_arg_pages() in fs/exec.c */ - stack_base = rlimit_max(RLIMIT_STACK); + stack_base = rlim_stack ? rlim_stack->rlim_max + : rlimit_max(RLIMIT_STACK); if (stack_base > STACK_SIZE_MAX) stack_base = STACK_SIZE_MAX; @@ -127,7 +133,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, info.flags = 0; info.length = len; info.low_limit = mm->mmap_legacy_base; - info.high_limit = mmap_upper_limit(); + info.high_limit = mmap_upper_limit(NULL); info.align_mask = last_mmap ? (PAGE_MASK & (SHM_COLOUR - 1)) : 0; info.align_offset = shared_align_offset(last_mmap, pgoff); addr = vm_unmapped_area(&info); @@ -250,10 +256,10 @@ static unsigned long mmap_legacy_base(void) * This function, called very early during the creation of a new * process VM image, sets up which VM layout function to use: */ -void arch_pick_mmap_layout(struct mm_struct *mm) +void arch_pick_mmap_layout(struct mm_struct *mm, struct rlimit *rlim_stack) { mm->mmap_legacy_base = mmap_legacy_base(); - mm->mmap_base = mmap_upper_limit(); + mm->mmap_base = mmap_upper_limit(rlim_stack); if (mmap_is_legacy()) { mm->mmap_base = mm->mmap_legacy_base; diff --git a/arch/parisc/kernel/time.c b/arch/parisc/kernel/time.c index f7e684560186..c3830400ca28 100644 --- a/arch/parisc/kernel/time.c +++ b/arch/parisc/kernel/time.c @@ -174,7 +174,7 @@ static int rtc_generic_get_time(struct device *dev, struct rtc_time *tm) /* we treat tod_sec as unsigned, so this can work until year 2106 */ rtc_time64_to_tm(tod_data.tod_sec, tm); - return rtc_valid_tm(tm); + return 0; } static int rtc_generic_set_time(struct device *dev, struct rtc_time *tm) diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index c919e6c0a687..68e671a11987 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -627,9 +627,10 @@ void notrace handle_interruption(int code, struct pt_regs *regs) on condition */ if(user_mode(regs)){ si.si_signo = SIGFPE; - /* Set to zero, and let the userspace app figure it out from - the insn pointed to by si_addr */ - si.si_code = FPE_FIXME; + /* Let userspace app figure it out from the insn pointed + * to by si_addr. + */ + si.si_code = FPE_CONDTRAP; si.si_addr = (void __user *) regs->iaoq[0]; force_sig_info(SIGFPE, &si, current); return; diff --git a/arch/parisc/math-emu/fcnvff.c b/arch/parisc/math-emu/fcnvff.c index 76c063f7d17c..f9357d9d4cb1 100644 --- a/arch/parisc/math-emu/fcnvff.c +++ b/arch/parisc/math-emu/fcnvff.c @@ -148,7 +148,7 @@ dbl_to_sgl_fcnvff( register int src_exponent, dest_exponent, dest_mantissa; register boolean inexact = FALSE, guardbit = FALSE, stickybit = FALSE; register boolean lsb_odd = FALSE; - boolean is_tiny; + boolean is_tiny = FALSE; Dbl_copyfromptr(srcptr,srcp1,srcp2); src_exponent = Dbl_exponent(srcp1); |
