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-rw-r--r--arch/arm/kernel/Makefile1
-rw-r--r--arch/arm/kernel/arthur.c94
-rw-r--r--arch/arm/kernel/asm-offsets.c1
-rw-r--r--arch/arm/kernel/head-nommu.S12
-rw-r--r--arch/arm/kernel/signal.c13
-rw-r--r--arch/arm/kernel/traps.c6
-rw-r--r--arch/arm/kernel/vmlinux.lds.S11
7 files changed, 16 insertions, 122 deletions
diff --git a/arch/arm/kernel/Makefile b/arch/arm/kernel/Makefile
index ba5f83226011..752725dcbf42 100644
--- a/arch/arm/kernel/Makefile
+++ b/arch/arm/kernel/Makefile
@@ -34,7 +34,6 @@ obj-$(CONFIG_CPU_IDLE) += cpuidle.o
obj-$(CONFIG_ISA_DMA_API) += dma.o
obj-$(CONFIG_FIQ) += fiq.o fiqasm.o
obj-$(CONFIG_MODULES) += armksyms.o module.o
-obj-$(CONFIG_ARTHUR) += arthur.o
obj-$(CONFIG_ISA_DMA) += dma-isa.o
obj-$(CONFIG_PCI) += bios32.o isa.o
obj-$(CONFIG_ARM_CPU_SUSPEND) += sleep.o suspend.o
diff --git a/arch/arm/kernel/arthur.c b/arch/arm/kernel/arthur.c
deleted file mode 100644
index 321c5291d05f..000000000000
--- a/arch/arm/kernel/arthur.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * linux/arch/arm/kernel/arthur.c
- *
- * Copyright (C) 1998, 1999, 2000, 2001 Philip Blundell
- *
- * Arthur personality
- */
-
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#include <linux/module.h>
-#include <linux/personality.h>
-#include <linux/stddef.h>
-#include <linux/signal.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-
-#include <asm/ptrace.h>
-
-/* Arthur doesn't have many signals, and a lot of those that it does
- have don't map easily to any Linux equivalent. Never mind. */
-
-#define ARTHUR_SIGABRT 1
-#define ARTHUR_SIGFPE 2
-#define ARTHUR_SIGILL 3
-#define ARTHUR_SIGINT 4
-#define ARTHUR_SIGSEGV 5
-#define ARTHUR_SIGTERM 6
-#define ARTHUR_SIGSTAK 7
-#define ARTHUR_SIGUSR1 8
-#define ARTHUR_SIGUSR2 9
-#define ARTHUR_SIGOSERROR 10
-
-static unsigned long arthur_to_linux_signals[32] = {
- 0, 1, 2, 3, 4, 5, 6, 7,
- 8, 9, 10, 11, 12, 13, 14, 15,
- 16, 17, 18, 19, 20, 21, 22, 23,
- 24, 25, 26, 27, 28, 29, 30, 31
-};
-
-static unsigned long linux_to_arthur_signals[32] = {
- 0, -1, ARTHUR_SIGINT, -1,
- ARTHUR_SIGILL, 5, ARTHUR_SIGABRT, 7,
- ARTHUR_SIGFPE, 9, ARTHUR_SIGUSR1, ARTHUR_SIGSEGV,
- ARTHUR_SIGUSR2, 13, 14, ARTHUR_SIGTERM,
- 16, 17, 18, 19,
- 20, 21, 22, 23,
- 24, 25, 26, 27,
- 28, 29, 30, 31
-};
-
-static void arthur_lcall7(int nr, struct pt_regs *regs)
-{
- struct siginfo info;
- info.si_signo = SIGSWI;
- info.si_errno = nr;
- /* Bounce it to the emulator */
- send_sig_info(SIGSWI, &info, current);
-}
-
-static struct exec_domain arthur_exec_domain = {
- .name = "Arthur",
- .handler = arthur_lcall7,
- .pers_low = PER_RISCOS,
- .pers_high = PER_RISCOS,
- .signal_map = arthur_to_linux_signals,
- .signal_invmap = linux_to_arthur_signals,
- .module = THIS_MODULE,
-};
-
-/*
- * We could do with some locking to stop Arthur being removed while
- * processes are using it.
- */
-
-static int __init arthur_init(void)
-{
- return register_exec_domain(&arthur_exec_domain);
-}
-
-static void __exit arthur_exit(void)
-{
- unregister_exec_domain(&arthur_exec_domain);
-}
-
-module_init(arthur_init);
-module_exit(arthur_exit);
-
-MODULE_LICENSE("GPL");
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 61bb5a65eb37..871b8267d211 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -67,7 +67,6 @@ int main(void)
DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_ADDR_LIMIT, offsetof(struct thread_info, addr_limit));
DEFINE(TI_TASK, offsetof(struct thread_info, task));
- DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain));
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_CPU_DOMAIN, offsetof(struct thread_info, cpu_domain));
DEFINE(TI_CPU_SAVE, offsetof(struct thread_info, cpu_context));
diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index cc176b67c134..aebfbf79a1a3 100644
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -80,9 +80,9 @@ ENTRY(stext)
ldr r13, =__mmap_switched @ address to jump to after
@ initialising sctlr
adr lr, BSYM(1f) @ return (PIC) address
- ARM( add pc, r10, #PROCINFO_INITFUNC )
- THUMB( add r12, r10, #PROCINFO_INITFUNC )
- THUMB( ret r12 )
+ ldr r12, [r10, #PROCINFO_INITFUNC]
+ add r12, r12, r10
+ ret r12
1: b __after_proc_init
ENDPROC(stext)
@@ -117,9 +117,9 @@ ENTRY(secondary_startup)
adr lr, BSYM(__after_proc_init) @ return address
mov r13, r12 @ __secondary_switched address
- ARM( add pc, r10, #PROCINFO_INITFUNC )
- THUMB( add r12, r10, #PROCINFO_INITFUNC )
- THUMB( ret r12 )
+ ldr r12, [r10, #PROCINFO_INITFUNC]
+ add r12, r12, r10
+ ret r12
ENDPROC(secondary_startup)
ENTRY(__secondary_switched)
diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c
index 023ac905e4c3..423663e23791 100644
--- a/arch/arm/kernel/signal.c
+++ b/arch/arm/kernel/signal.c
@@ -318,17 +318,6 @@ get_sigframe(struct ksignal *ksig, struct pt_regs *regs, int framesize)
return frame;
}
-/*
- * translate the signal
- */
-static inline int map_sig(int sig)
-{
- struct thread_info *thread = current_thread_info();
- if (sig < 32 && thread->exec_domain && thread->exec_domain->signal_invmap)
- sig = thread->exec_domain->signal_invmap[sig];
- return sig;
-}
-
static int
setup_return(struct pt_regs *regs, struct ksignal *ksig,
unsigned long __user *rc, void __user *frame)
@@ -412,7 +401,7 @@ setup_return(struct pt_regs *regs, struct ksignal *ksig,
}
}
- regs->ARM_r0 = map_sig(ksig->sig);
+ regs->ARM_r0 = ksig->sig;
regs->ARM_sp = (unsigned long)frame;
regs->ARM_lr = retcode;
regs->ARM_pc = handler;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 788e23fe64d8..3dce1a342030 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -505,12 +505,10 @@ asmlinkage void bad_mode(struct pt_regs *regs, int reason)
static int bad_syscall(int n, struct pt_regs *regs)
{
- struct thread_info *thread = current_thread_info();
siginfo_t info;
- if ((current->personality & PER_MASK) != PER_LINUX &&
- thread->exec_domain->handler) {
- thread->exec_domain->handler(n, regs);
+ if ((current->personality & PER_MASK) != PER_LINUX) {
+ send_sig(SIGSEGV, current, 1);
return regs->ARM_r0;
}
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index 7a301be9ac67..8b60fde5ce48 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -11,7 +11,7 @@
#ifdef CONFIG_ARM_KERNMEM_PERMS
#include <asm/pgtable.h>
#endif
-
+
#define PROC_INFO \
. = ALIGN(4); \
VMLINUX_SYMBOL(__proc_info_begin) = .; \
@@ -23,7 +23,7 @@
VMLINUX_SYMBOL(__idmap_text_start) = .; \
*(.idmap.text) \
VMLINUX_SYMBOL(__idmap_text_end) = .; \
- . = ALIGN(32); \
+ . = ALIGN(PAGE_SIZE); \
VMLINUX_SYMBOL(__hyp_idmap_text_start) = .; \
*(.hyp.idmap.text) \
VMLINUX_SYMBOL(__hyp_idmap_text_end) = .;
@@ -343,8 +343,11 @@ SECTIONS
*/
ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")
+
/*
- * The HYP init code can't be more than a page long.
+ * The HYP init code can't be more than a page long,
+ * and should not cross a page boundary.
* The above comment applies as well.
*/
-ASSERT(((__hyp_idmap_text_end - __hyp_idmap_text_start) <= PAGE_SIZE), "HYP init code too big")
+ASSERT(__hyp_idmap_text_end - (__hyp_idmap_text_start & PAGE_MASK) <= PAGE_SIZE,
+ "HYP init code too big or misaligned")
generated by cgit v1.2.3 (git 2.46.0) at 2025-09-02 04:58:25 +0000