diff options
Diffstat (limited to 'arch/um/include')
28 files changed, 130 insertions, 151 deletions
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild index e5a7b552bb38..b2d834a29f3a 100644 --- a/arch/um/include/asm/Kbuild +++ b/arch/um/include/asm/Kbuild @@ -4,6 +4,7 @@ generic-y += bug.h generic-y += compat.h generic-y += current.h generic-y += device.h +generic-y += dma-mapping.h generic-y += emergency-restart.h generic-y += exec.h generic-y += extable.h @@ -17,13 +18,13 @@ generic-y += mcs_spinlock.h generic-y += mmiowb.h generic-y += module.lds.h generic-y += param.h +generic-y += parport.h generic-y += percpu.h generic-y += preempt.h generic-y += softirq_stack.h generic-y += switch_to.h generic-y += topology.h generic-y += trace_clock.h -generic-y += word-at-a-time.h generic-y += kprobes.h generic-y += mm_hooks.h generic-y += vga.h diff --git a/arch/um/include/asm/archrandom.h b/arch/um/include/asm/archrandom.h new file mode 100644 index 000000000000..24e16c979c51 --- /dev/null +++ b/arch/um/include/asm/archrandom.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_UM_ARCHRANDOM_H__ +#define __ASM_UM_ARCHRANDOM_H__ + +#include <linux/types.h> + +/* This is from <os.h>, but better not to #include that in a global header here. */ +ssize_t os_getrandom(void *buf, size_t len, unsigned int flags); + +static inline size_t __must_check arch_get_random_longs(unsigned long *v, size_t max_longs) +{ + ssize_t ret; + + ret = os_getrandom(v, max_longs * sizeof(*v), 0); + if (ret < 0) + return 0; + return ret / sizeof(*v); +} + +static inline size_t __must_check arch_get_random_seed_longs(unsigned long *v, size_t max_longs) +{ + return 0; +} + +#endif diff --git a/arch/um/include/asm/common.lds.S b/arch/um/include/asm/common.lds.S index eca6c452a41b..fd481ac371de 100644 --- a/arch/um/include/asm/common.lds.S +++ b/arch/um/include/asm/common.lds.S @@ -83,6 +83,8 @@ } .init_array : { __init_array_start = .; + *(.kasan_init) + *(.init_array.*) *(.init_array) __init_array_end = .; } diff --git a/arch/um/include/asm/cpufeature.h b/arch/um/include/asm/cpufeature.h index 19cd7ed6ec3c..4b6d1b526bc1 100644 --- a/arch/um/include/asm/cpufeature.h +++ b/arch/um/include/asm/cpufeature.h @@ -65,20 +65,6 @@ extern void setup_clear_cpu_cap(unsigned int bit); #define setup_force_cpu_bug(bit) setup_force_cpu_cap(bit) -#if defined(__clang__) && !defined(CONFIG_CC_HAS_ASM_GOTO) - -/* - * Workaround for the sake of BPF compilation which utilizes kernel - * headers, but clang does not support ASM GOTO and fails the build. - */ -#ifndef __BPF_TRACING__ -#warning "Compiler lacks ASM_GOTO support. Add -D __BPF_TRACING__ to your compiler arguments" -#endif - -#define static_cpu_has(bit) boot_cpu_has(bit) - -#else - /* * Static testing of CPU features. Used the same as boot_cpu_has(). It * statically patches the target code for additional performance. Use @@ -137,7 +123,6 @@ t_no: boot_cpu_has(bit) : \ _static_cpu_has(bit) \ ) -#endif #define cpu_has_bug(c, bit) cpu_has(c, (bit)) #define set_cpu_bug(c, bit) set_cpu_cap(c, (bit)) diff --git a/arch/um/include/asm/delay.h b/arch/um/include/asm/delay.h index 56fc2b8f2dd0..e79b2ab6f40c 100644 --- a/arch/um/include/asm/delay.h +++ b/arch/um/include/asm/delay.h @@ -14,7 +14,7 @@ static inline void um_ndelay(unsigned long nsecs) ndelay(nsecs); } #undef ndelay -#define ndelay um_ndelay +#define ndelay(n) um_ndelay(n) static inline void um_udelay(unsigned long usecs) { @@ -26,5 +26,5 @@ static inline void um_udelay(unsigned long usecs) udelay(usecs); } #undef udelay -#define udelay um_udelay +#define udelay(n) um_udelay(n) #endif /* __UM_DELAY_H */ diff --git a/arch/um/include/asm/irq.h b/arch/um/include/asm/irq.h index e187c789369d..749dfe8512e8 100644 --- a/arch/um/include/asm/irq.h +++ b/arch/um/include/asm/irq.h @@ -4,19 +4,15 @@ #define TIMER_IRQ 0 #define UMN_IRQ 1 -#define CONSOLE_IRQ 2 -#define CONSOLE_WRITE_IRQ 3 -#define UBD_IRQ 4 -#define UM_ETH_IRQ 5 -#define SSL_IRQ 6 -#define SSL_WRITE_IRQ 7 -#define ACCEPT_IRQ 8 -#define MCONSOLE_IRQ 9 -#define WINCH_IRQ 10 -#define SIGIO_WRITE_IRQ 11 -#define TELNETD_IRQ 12 -#define XTERM_IRQ 13 -#define RANDOM_IRQ 14 +#define UBD_IRQ 2 +#define UM_ETH_IRQ 3 +#define ACCEPT_IRQ 4 +#define MCONSOLE_IRQ 5 +#define WINCH_IRQ 6 +#define SIGIO_WRITE_IRQ 7 +#define TELNETD_IRQ 8 +#define XTERM_IRQ 9 +#define RANDOM_IRQ 10 #ifdef CONFIG_UML_NET_VECTOR diff --git a/arch/um/include/asm/irqflags.h b/arch/um/include/asm/irqflags.h index dab5744e9253..1e69ef5bc35e 100644 --- a/arch/um/include/asm/irqflags.h +++ b/arch/um/include/asm/irqflags.h @@ -3,7 +3,7 @@ #define __UM_IRQFLAGS_H extern int signals_enabled; -int set_signals(int enable); +int um_set_signals(int enable); void block_signals(void); void unblock_signals(void); @@ -16,7 +16,7 @@ static inline unsigned long arch_local_save_flags(void) #define arch_local_irq_restore arch_local_irq_restore static inline void arch_local_irq_restore(unsigned long flags) { - set_signals(flags); + um_set_signals(flags); } #define arch_local_irq_enable arch_local_irq_enable diff --git a/arch/um/include/asm/kasan.h b/arch/um/include/asm/kasan.h new file mode 100644 index 000000000000..0d6547f4ec85 --- /dev/null +++ b/arch/um/include/asm/kasan.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __ASM_UM_KASAN_H +#define __ASM_UM_KASAN_H + +#include <linux/init.h> +#include <linux/const.h> + +#define KASAN_SHADOW_OFFSET _AC(CONFIG_KASAN_SHADOW_OFFSET, UL) + +/* used in kasan_mem_to_shadow to divide by 8 */ +#define KASAN_SHADOW_SCALE_SHIFT 3 + +#ifdef CONFIG_X86_64 +#define KASAN_HOST_USER_SPACE_END_ADDR 0x00007fffffffffffUL +/* KASAN_SHADOW_SIZE is the size of total address space divided by 8 */ +#define KASAN_SHADOW_SIZE ((KASAN_HOST_USER_SPACE_END_ADDR + 1) >> \ + KASAN_SHADOW_SCALE_SHIFT) +#else +#error "KASAN_SHADOW_SIZE is not defined for this sub-architecture" +#endif /* CONFIG_X86_64 */ + +#define KASAN_SHADOW_START (KASAN_SHADOW_OFFSET) +#define KASAN_SHADOW_END (KASAN_SHADOW_START + KASAN_SHADOW_SIZE) + +#ifdef CONFIG_KASAN +void kasan_init(void); +void kasan_map_memory(void *start, unsigned long len); +extern int kasan_um_is_ready; + +#ifdef CONFIG_STATIC_LINK +#define kasan_arch_is_ready() (kasan_um_is_ready) +#endif +#else +static inline void kasan_init(void) { } +#endif /* CONFIG_KASAN */ + +#endif /* __ASM_UM_KASAN_H */ diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h index 95af12e82a32..cdbd9653aa14 100644 --- a/arch/um/include/asm/page.h +++ b/arch/um/include/asm/page.h @@ -102,8 +102,8 @@ extern unsigned long uml_physmem; * casting is the right thing, but 32-bit UML can't have 64-bit virtual * addresses */ -#define __pa(virt) to_phys((void *) (unsigned long) (virt)) -#define __va(phys) to_virt((unsigned long) (phys)) +#define __pa(virt) uml_to_phys((void *) (unsigned long) (virt)) +#define __va(phys) uml_to_virt((unsigned long) (phys)) #define phys_to_pfn(p) ((p) >> PAGE_SHIFT) #define pfn_to_phys(pfn) PFN_PHYS(pfn) diff --git a/arch/um/include/asm/pci.h b/arch/um/include/asm/pci.h index da13fd5519ef..34fe4921b5fa 100644 --- a/arch/um/include/asm/pci.h +++ b/arch/um/include/asm/pci.h @@ -4,28 +4,8 @@ #include <linux/types.h> #include <asm/io.h> -#define PCIBIOS_MIN_IO 0 -#define PCIBIOS_MIN_MEM 0 - -#define pcibios_assign_all_busses() 1 - -extern int isa_dma_bridge_buggy; - -#ifdef CONFIG_PCI -static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) -{ - /* no legacy IRQs */ - return -ENODEV; -} -#endif - -#ifdef CONFIG_PCI_DOMAINS -static inline int pci_proc_domain(struct pci_bus *bus) -{ - /* always show the domain in /proc */ - return 1; -} -#endif /* CONFIG_PCI */ +/* Generic PCI */ +#include <asm-generic/pci.h> #ifdef CONFIG_PCI_MSI_IRQ_DOMAIN /* diff --git a/arch/um/include/asm/pgtable.h b/arch/um/include/asm/pgtable.h index b9e20bbe2f75..66bc3f99d9be 100644 --- a/arch/um/include/asm/pgtable.h +++ b/arch/um/include/asm/pgtable.h @@ -68,23 +68,6 @@ extern unsigned long end_iomem; * Also, write permissions imply read permissions. This is the closest we can * get.. */ -#define __P000 PAGE_NONE -#define __P001 PAGE_READONLY -#define __P010 PAGE_COPY -#define __P011 PAGE_COPY -#define __P100 PAGE_READONLY -#define __P101 PAGE_READONLY -#define __P110 PAGE_COPY -#define __P111 PAGE_COPY - -#define __S000 PAGE_NONE -#define __S001 PAGE_READONLY -#define __S010 PAGE_SHARED -#define __S011 PAGE_SHARED -#define __S100 PAGE_READONLY -#define __S101 PAGE_READONLY -#define __S110 PAGE_SHARED -#define __S111 PAGE_SHARED /* * ZERO_PAGE is a global shared page that is always zero: used @@ -109,6 +92,7 @@ extern unsigned long end_iomem; #define p4d_newpage(x) (p4d_val(x) & _PAGE_NEWPAGE) #define p4d_mkuptodate(x) (p4d_val(x) &= ~_PAGE_NEWPAGE) +#define pmd_pfn(pmd) (pmd_val(pmd) >> PAGE_SHIFT) #define pmd_page(pmd) phys_to_page(pmd_val(pmd) & PAGE_MASK) #define pte_page(x) pfn_to_page(pte_pfn(x)) diff --git a/arch/um/include/asm/processor-generic.h b/arch/um/include/asm/processor-generic.h index 579692a40a55..bb5f06480da9 100644 --- a/arch/um/include/asm/processor-generic.h +++ b/arch/um/include/asm/processor-generic.h @@ -11,7 +11,6 @@ struct pt_regs; struct task_struct; #include <asm/ptrace.h> -#include <registers.h> #include <sysdep/archsetjmp.h> #include <linux/prefetch.h> @@ -56,15 +55,6 @@ struct thread_struct { .request = { 0 } \ } -static inline void release_thread(struct task_struct *task) -{ -} - -static inline void mm_copy_segments(struct mm_struct *from_mm, - struct mm_struct *new_mm) -{ -} - /* * User space process size: 3GB (default). */ @@ -105,6 +95,7 @@ extern struct cpuinfo_um boot_cpu_data; #define current_cpu_data boot_cpu_data #define cache_line_size() (boot_cpu_data.cache_alignment) +extern unsigned long get_thread_reg(int reg, jmp_buf *buf); #define KSTK_REG(tsk, reg) get_thread_reg(reg, &tsk->thread.switch_buf) extern unsigned long __get_wchan(struct task_struct *p); diff --git a/arch/um/include/asm/thread_info.h b/arch/um/include/asm/thread_info.h index 3b1cb8b3b186..c7b4b49826a2 100644 --- a/arch/um/include/asm/thread_info.h +++ b/arch/um/include/asm/thread_info.h @@ -22,9 +22,6 @@ struct thread_info { __u32 cpu; /* current CPU */ int preempt_count; /* 0 => preemptable, <0 => BUG */ - mm_segment_t addr_limit; /* thread address space: - 0-0xBFFFFFFF for user - 0-0xFFFFFFFF for kernel */ struct thread_info *real_thread; /* Points to non-IRQ stack */ unsigned long aux_fp_regs[FP_SIZE]; /* auxiliary fp_regs to save/restore them out-of-band */ @@ -36,7 +33,6 @@ struct thread_info { .flags = 0, \ .cpu = 0, \ .preempt_count = INIT_PREEMPT_COUNT, \ - .addr_limit = KERNEL_DS, \ .real_thread = NULL, \ } @@ -64,6 +60,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_RESTORE_SIGMASK 7 #define TIF_NOTIFY_RESUME 8 #define TIF_SECCOMP 9 /* secure computing */ +#define TIF_SINGLESTEP 10 /* single stepping userspace */ #define _TIF_SYSCALL_TRACE (1 << TIF_SYSCALL_TRACE) #define _TIF_SIGPENDING (1 << TIF_SIGPENDING) @@ -72,5 +69,6 @@ static inline struct thread_info *current_thread_info(void) #define _TIF_MEMDIE (1 << TIF_MEMDIE) #define _TIF_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT) #define _TIF_SECCOMP (1 << TIF_SECCOMP) +#define _TIF_SINGLESTEP (1 << TIF_SINGLESTEP) #endif diff --git a/arch/um/include/asm/timex.h b/arch/um/include/asm/timex.h index e392a9a5bc9b..9f27176adb26 100644 --- a/arch/um/include/asm/timex.h +++ b/arch/um/include/asm/timex.h @@ -2,13 +2,8 @@ #ifndef __UM_TIMEX_H #define __UM_TIMEX_H -typedef unsigned long cycles_t; - -static inline cycles_t get_cycles (void) -{ - return 0; -} - #define CLOCK_TICK_RATE (HZ) +#include <asm-generic/timex.h> + #endif diff --git a/arch/um/include/asm/uaccess.h b/arch/um/include/asm/uaccess.h index 191ef36dd543..7d9d60e41e4e 100644 --- a/arch/um/include/asm/uaccess.h +++ b/arch/um/include/asm/uaccess.h @@ -8,6 +8,7 @@ #define __UM_UACCESS_H #include <asm/elf.h> +#include <asm/unaligned.h> #define __under_task_size(addr, size) \ (((unsigned long) (addr) < TASK_SIZE) && \ @@ -24,7 +25,7 @@ extern unsigned long raw_copy_from_user(void *to, const void __user *from, unsigned long n); extern unsigned long raw_copy_to_user(void __user *to, const void *from, unsigned long n); extern unsigned long __clear_user(void __user *mem, unsigned long len); -static inline int __access_ok(unsigned long addr, unsigned long size); +static inline int __access_ok(const void __user *ptr, unsigned long size); /* Teach asm-generic/uaccess.h that we have C functions for these. */ #define __access_ok __access_ok @@ -35,12 +36,27 @@ static inline int __access_ok(unsigned long addr, unsigned long size); #include <asm-generic/uaccess.h> -static inline int __access_ok(unsigned long addr, unsigned long size) +static inline int __access_ok(const void __user *ptr, unsigned long size) { + unsigned long addr = (unsigned long)ptr; return __addr_range_nowrap(addr, size) && (__under_task_size(addr, size) || - __access_ok_vsyscall(addr, size) || - uaccess_kernel()); + __access_ok_vsyscall(addr, size)); } +/* no pagefaults for kernel addresses in um */ +#define __get_kernel_nofault(dst, src, type, err_label) \ +do { \ + *((type *)dst) = get_unaligned((type *)(src)); \ + if (0) /* make sure the label looks used to the compiler */ \ + goto err_label; \ +} while (0) + +#define __put_kernel_nofault(dst, src, type, err_label) \ +do { \ + put_unaligned(*((type *)src), (type *)(dst)); \ + if (0) /* make sure the label looks used to the compiler */ \ + goto err_label; \ +} while (0) + #endif diff --git a/arch/um/include/asm/xor.h b/arch/um/include/asm/xor.h index f512704a9ec7..647fae200c5d 100644 --- a/arch/um/include/asm/xor.h +++ b/arch/um/include/asm/xor.h @@ -4,8 +4,10 @@ #ifdef CONFIG_64BIT #undef CONFIG_X86_32 +#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_sse_pf64)) #else #define CONFIG_X86_32 1 +#define TT_CPU_INF_XOR_DEFAULT (AVX_SELECT(&xor_block_8regs)) #endif #include <asm/cpufeature.h> @@ -16,7 +18,7 @@ #undef XOR_SELECT_TEMPLATE /* pick an arbitrary one - measuring isn't possible with inf-cpu */ #define XOR_SELECT_TEMPLATE(x) \ - (time_travel_mode == TT_MODE_INFCPU ? &xor_block_8regs : NULL) + (time_travel_mode == TT_MODE_INFCPU ? TT_CPU_INF_XOR_DEFAULT : x) #endif #endif diff --git a/arch/um/include/shared/common-offsets.h b/arch/um/include/shared/common-offsets.h index edc90ab73734..96195483fbd0 100644 --- a/arch/um/include/shared/common-offsets.h +++ b/arch/um/include/shared/common-offsets.h @@ -9,32 +9,17 @@ DEFINE(UM_KERN_PAGE_MASK, PAGE_MASK); DEFINE(UM_KERN_PAGE_SHIFT, PAGE_SHIFT); DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC); -DEFINE(UM_ELF_CLASS, ELF_CLASS); -DEFINE(UM_ELFCLASS32, ELFCLASS32); -DEFINE(UM_ELFCLASS64, ELFCLASS64); - -DEFINE(UM_NR_CPUS, NR_CPUS); - DEFINE(UM_GFP_KERNEL, GFP_KERNEL); DEFINE(UM_GFP_ATOMIC, GFP_ATOMIC); -/* For crypto assembler code. */ -DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx)); - DEFINE(UM_THREAD_SIZE, THREAD_SIZE); -DEFINE(UM_HZ, HZ); - -DEFINE(UM_USEC_PER_SEC, USEC_PER_SEC); DEFINE(UM_NSEC_PER_SEC, NSEC_PER_SEC); DEFINE(UM_NSEC_PER_USEC, NSEC_PER_USEC); #ifdef CONFIG_PRINTK DEFINE(UML_CONFIG_PRINTK, CONFIG_PRINTK); #endif -#ifdef CONFIG_NO_HZ_COMMON -DEFINE(UML_CONFIG_NO_HZ_COMMON, CONFIG_NO_HZ_COMMON); -#endif #ifdef CONFIG_UML_X86 DEFINE(UML_CONFIG_UML_X86, CONFIG_UML_X86); #endif diff --git a/arch/um/include/shared/irq_user.h b/arch/um/include/shared/irq_user.h index 86a8a573b65c..da0f6eea30d0 100644 --- a/arch/um/include/shared/irq_user.h +++ b/arch/um/include/shared/irq_user.h @@ -20,6 +20,5 @@ void sigio_run_timetravel_handlers(void); extern void free_irq_by_fd(int fd); extern void deactivate_fd(int fd, int irqnum); extern int deactivate_all_fds(void); -extern int activate_ipi(int fd, int pid); #endif diff --git a/arch/um/include/shared/kern_util.h b/arch/um/include/shared/kern_util.h index a2cfd42608a0..d8b8b4f07e42 100644 --- a/arch/um/include/shared/kern_util.h +++ b/arch/um/include/shared/kern_util.h @@ -53,13 +53,11 @@ extern void do_uml_exitcalls(void); extern int __cant_sleep(void); extern int get_current_pid(void); extern int copy_from_user_proc(void *to, void *from, int size); -extern int cpu(void); extern char *uml_strdup(const char *string); extern unsigned long to_irq_stack(unsigned long *mask_out); extern unsigned long from_irq_stack(int nested); -extern void syscall_trace(struct uml_pt_regs *regs, int entryexit); extern int singlestepping(void *t); extern void segv_handler(int sig, struct siginfo *unused_si, struct uml_pt_regs *regs); diff --git a/arch/um/include/shared/longjmp.h b/arch/um/include/shared/longjmp.h index bdb2869b72b3..8863319039f3 100644 --- a/arch/um/include/shared/longjmp.h +++ b/arch/um/include/shared/longjmp.h @@ -18,7 +18,7 @@ extern void longjmp(jmp_buf, int); enable = *(volatile int *)&signals_enabled; \ n = setjmp(*buf); \ if(n != 0) \ - set_signals_trace(enable); \ + um_set_signals_trace(enable); \ n; }) #endif diff --git a/arch/um/include/shared/mem.h b/arch/um/include/shared/mem.h index 4862c91d4213..98aacd544108 100644 --- a/arch/um/include/shared/mem.h +++ b/arch/um/include/shared/mem.h @@ -9,12 +9,12 @@ extern int phys_mapping(unsigned long phys, unsigned long long *offset_out); extern unsigned long uml_physmem; -static inline unsigned long to_phys(void *virt) +static inline unsigned long uml_to_phys(void *virt) { return(((unsigned long) virt) - uml_physmem); } -static inline void *to_virt(unsigned long phys) +static inline void *uml_to_virt(unsigned long phys) { return((void *) uml_physmem + phys); } diff --git a/arch/um/include/shared/mem_user.h b/arch/um/include/shared/mem_user.h index cb84414e3e66..11a723a58545 100644 --- a/arch/um/include/shared/mem_user.h +++ b/arch/um/include/shared/mem_user.h @@ -46,16 +46,11 @@ extern int iomem_size; #define ROUND_4M(n) ((((unsigned long) (n)) + (1 << 22)) & ~((1 << 22) - 1)) -extern int init_mem_user(void); -extern void setup_memory(void *entry); extern unsigned long find_iomem(char *driver, unsigned long *len_out); extern void mem_total_pages(unsigned long physmem, unsigned long iomem, unsigned long highmem); -extern unsigned long get_vm(unsigned long len); extern void setup_physmem(unsigned long start, unsigned long usable, unsigned long len, unsigned long long highmem); -extern void add_iomem(char *name, int fd, unsigned long size); -extern unsigned long phys_offset(unsigned long phys); extern void map_memory(unsigned long virt, unsigned long phys, unsigned long len, int r, int w, int x); diff --git a/arch/um/include/shared/net_kern.h b/arch/um/include/shared/net_kern.h index a87be13c5b87..67b2e9a1f2e5 100644 --- a/arch/um/include/shared/net_kern.h +++ b/arch/um/include/shared/net_kern.h @@ -39,7 +39,7 @@ struct uml_net_private { void (*add_address)(unsigned char *, unsigned char *, void *); void (*delete_address)(unsigned char *, unsigned char *, void *); - char user[0]; + char user[]; }; struct net_kern_info { @@ -59,8 +59,6 @@ struct transport { const int setup_size; }; -extern struct net_device *ether_init(int); -extern unsigned short ether_protocol(struct sk_buff *); extern int tap_setup_common(char *str, char *type, char **dev_name, char **mac_out, char **gate_addr); extern void register_transport(struct transport *new); diff --git a/arch/um/include/shared/net_user.h b/arch/um/include/shared/net_user.h index 1b0531769a5e..ba92a4d93531 100644 --- a/arch/um/include/shared/net_user.h +++ b/arch/um/include/shared/net_user.h @@ -24,7 +24,6 @@ struct net_user_info { int mtu; }; -extern void ether_user_init(void *data, void *dev); extern void iter_addresses(void *d, void (*cb)(unsigned char *, unsigned char *, void *), void *arg); diff --git a/arch/um/include/shared/os.h b/arch/um/include/shared/os.h index 96d400387c93..0df646c6651e 100644 --- a/arch/um/include/shared/os.h +++ b/arch/um/include/shared/os.h @@ -11,6 +11,12 @@ #include <irq_user.h> #include <longjmp.h> #include <mm_id.h> +/* This is to get size_t */ +#ifndef __UM_HOST__ +#include <linux/types.h> +#else +#include <sys/types.h> +#endif #define CATCH_EINTR(expr) while ((errno = 0, ((expr) < 0)) && (errno == EINTR)) @@ -159,24 +165,16 @@ extern int os_create_unix_socket(const char *file, int len, int close_on_exec); extern int os_shutdown_socket(int fd, int r, int w); extern void os_close_file(int fd); extern int os_rcv_fd(int fd, int *helper_pid_out); -extern int create_unix_socket(char *file, int len, int close_on_exec); extern int os_connect_socket(const char *name); extern int os_file_type(char *file); extern int os_file_mode(const char *file, struct openflags *mode_out); extern int os_lock_file(int fd, int excl); extern void os_flush_stdout(void); -extern int os_stat_filesystem(char *path, long *bsize_out, - long long *blocks_out, long long *bfree_out, - long long *bavail_out, long long *files_out, - long long *ffree_out, void *fsid_out, - int fsid_size, long *namelen_out, - long *spare_out); -extern int os_change_dir(char *dir); -extern int os_fchange_dir(int fd); extern unsigned os_major(unsigned long long dev); extern unsigned os_minor(unsigned long long dev); extern unsigned long long os_makedev(unsigned major, unsigned minor); extern int os_falloc_punch(int fd, unsigned long long offset, int count); +extern int os_falloc_zeroes(int fd, unsigned long long offset, int count); extern int os_eventfd(unsigned int initval, int flags); extern int os_sendmsg_fds(int fd, const void *buf, unsigned int len, const int *fds, unsigned int fds_num); @@ -232,14 +230,13 @@ extern char *get_umid(void); /* signal.c */ extern void timer_set_signal_handler(void); extern void set_sigstack(void *sig_stack, int size); -extern void remove_sigstack(void); extern void set_handler(int sig); extern void send_sigio_to_self(void); extern int change_sig(int signal, int on); extern void block_signals(void); extern void unblock_signals(void); -extern int set_signals(int enable); -extern int set_signals_trace(int enable); +extern int um_set_signals(int enable); +extern int um_set_signals_trace(int enable); extern int os_is_signal_stack(void); extern void deliver_alarm(void); extern void register_pm_wake_signal(void); @@ -252,6 +249,7 @@ extern void stack_protections(unsigned long address); extern int raw(int fd); extern void setup_machinename(char *machine_out); extern void setup_hostinfo(char *buf, int len); +extern ssize_t os_getrandom(void *buf, size_t len, unsigned int flags); extern void os_dump_core(void) __attribute__ ((noreturn)); extern void um_early_printk(const char *s, unsigned int n); extern void os_fix_helper_signals(void); @@ -266,7 +264,6 @@ extern int os_timer_create(void); extern int os_timer_set_interval(unsigned long long nsecs); extern int os_timer_one_shot(unsigned long long nsecs); extern void os_timer_disable(void); -extern void uml_idle_timer(void); extern long long os_persistent_clock_emulation(void); extern long long os_nsecs(void); @@ -290,8 +287,6 @@ extern int is_skas_winch(int pid, int fd, void *data); extern int start_userspace(unsigned long stub_stack); extern int copy_context_skas0(unsigned long stack, int pid); extern void userspace(struct uml_pt_regs *regs, unsigned long *aux_fp_regs); -extern int map_stub_pages(int fd, unsigned long code, unsigned long data, - unsigned long stack); extern void new_thread(void *stack, jmp_buf *buf, void (*handler)(void)); extern void switch_threads(jmp_buf *me, jmp_buf *you); extern int start_idle_thread(void *stack, jmp_buf *switch_buf); diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h index 0c50fa6e8a55..2f9c3ce5b45e 100644 --- a/arch/um/include/shared/registers.h +++ b/arch/um/include/shared/registers.h @@ -7,7 +7,6 @@ #define __REGISTERS_H #include <sysdep/ptrace.h> -#include <sysdep/archsetjmp.h> extern int save_i387_registers(int pid, unsigned long *fp_regs); extern int restore_i387_registers(int pid, unsigned long *fp_regs); @@ -16,10 +15,9 @@ extern int restore_fp_registers(int pid, unsigned long *fp_regs); extern int save_fpx_registers(int pid, unsigned long *fp_regs); extern int restore_fpx_registers(int pid, unsigned long *fp_regs); extern int save_registers(int pid, struct uml_pt_regs *regs); -extern int restore_registers(int pid, struct uml_pt_regs *regs); -extern int init_registers(int pid); +extern int restore_pid_registers(int pid, struct uml_pt_regs *regs); +extern int init_pid_registers(int pid); extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs); -extern unsigned long get_thread_reg(int reg, jmp_buf *buf); extern int get_fp_registers(int pid, unsigned long *regs); extern int put_fp_registers(int pid, unsigned long *regs); diff --git a/arch/um/include/shared/sigio.h b/arch/um/include/shared/sigio.h index 8fe8f57c05de..e60c8b227844 100644 --- a/arch/um/include/shared/sigio.h +++ b/arch/um/include/shared/sigio.h @@ -7,7 +7,6 @@ #define __SIGIO_H__ extern int write_sigio_irq(int fd); -extern int register_sigio_fd(int fd); extern void sigio_lock(void); extern void sigio_unlock(void); diff --git a/arch/um/include/shared/user.h b/arch/um/include/shared/user.h index dd4badffdeb3..bda66e5a9d4e 100644 --- a/arch/um/include/shared/user.h +++ b/arch/um/include/shared/user.h @@ -16,11 +16,12 @@ */ #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) -/* This is to get size_t */ +/* This is to get size_t and NULL */ #ifndef __UM_HOST__ #include <linux/types.h> #else #include <stddef.h> +#include <sys/types.h> #endif extern void panic(const char *fmt, ...) |