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-rw-r--r--arch/arm/include/asm/Kbuild1
-rw-r--r--arch/arm/include/asm/dma-direct.h36
-rw-r--r--arch/arm/include/asm/dma-mapping.h35
-rw-r--r--arch/arm/include/asm/exception.h3
-rw-r--r--arch/arm/include/asm/glue-cache.h4
-rw-r--r--arch/arm/include/asm/hardware/cache-b15-rac.h10
-rw-r--r--arch/arm/include/asm/hardware/sa1111.h32
-rw-r--r--arch/arm/include/asm/kvm_host.h5
-rw-r--r--arch/arm/include/asm/kvm_mmu.h17
-rw-r--r--arch/arm/include/asm/memory.h1
-rw-r--r--arch/arm/include/asm/pgtable-3level.h3
-rw-r--r--arch/arm/include/asm/processor.h10
-rw-r--r--arch/arm/include/asm/ptdump.h43
-rw-r--r--arch/arm/include/asm/sections.h21
-rw-r--r--arch/arm/include/asm/string.h14
-rw-r--r--arch/arm/include/asm/traps.h12
-rw-r--r--arch/arm/include/asm/unified.h77
-rw-r--r--arch/arm/include/uapi/asm/siginfo.h13
18 files changed, 169 insertions, 168 deletions
diff --git a/arch/arm/include/asm/Kbuild b/arch/arm/include/asm/Kbuild
index 0f2c8a2a8131..873e3c189279 100644
--- a/arch/arm/include/asm/Kbuild
+++ b/arch/arm/include/asm/Kbuild
@@ -1,4 +1,3 @@
-generic-y += clkdev.h
generic-y += current.h
generic-y += early_ioremap.h
generic-y += emergency-restart.h
diff --git a/arch/arm/include/asm/dma-direct.h b/arch/arm/include/asm/dma-direct.h
new file mode 100644
index 000000000000..5b0a8a421894
--- /dev/null
+++ b/arch/arm/include/asm/dma-direct.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef ASM_ARM_DMA_DIRECT_H
+#define ASM_ARM_DMA_DIRECT_H 1
+
+static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
+{
+ unsigned int offset = paddr & ~PAGE_MASK;
+ return pfn_to_dma(dev, __phys_to_pfn(paddr)) + offset;
+}
+
+static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
+{
+ unsigned int offset = dev_addr & ~PAGE_MASK;
+ return __pfn_to_phys(dma_to_pfn(dev, dev_addr)) + offset;
+}
+
+static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
+{
+ u64 limit, mask;
+
+ if (!dev->dma_mask)
+ return 0;
+
+ mask = *dev->dma_mask;
+
+ limit = (mask + 1) & ~mask;
+ if (limit && size > limit)
+ return 0;
+
+ if ((addr | (addr + size - 1)) & ~mask)
+ return 0;
+
+ return 1;
+}
+
+#endif /* ASM_ARM_DMA_DIRECT_H */
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index daf837423a76..8436f6ade57d 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -18,7 +18,7 @@ extern const struct dma_map_ops arm_coherent_dma_ops;
static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
{
- return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_noop_ops;
+ return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : &dma_direct_ops;
}
#ifdef __arch_page_to_dma
@@ -109,39 +109,6 @@ static inline bool is_device_dma_coherent(struct device *dev)
return dev->archdata.dma_coherent;
}
-static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
-{
- unsigned int offset = paddr & ~PAGE_MASK;
- return pfn_to_dma(dev, __phys_to_pfn(paddr)) + offset;
-}
-
-static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr)
-{
- unsigned int offset = dev_addr & ~PAGE_MASK;
- return __pfn_to_phys(dma_to_pfn(dev, dev_addr)) + offset;
-}
-
-static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
-{
- u64 limit, mask;
-
- if (!dev->dma_mask)
- return 0;
-
- mask = *dev->dma_mask;
-
- limit = (mask + 1) & ~mask;
- if (limit && size > limit)
- return 0;
-
- if ((addr | (addr + size - 1)) & ~mask)
- return 0;
-
- return 1;
-}
-
-static inline void dma_mark_clean(void *addr, size_t size) { }
-
/**
* arm_dma_alloc - allocate consistent memory for DMA
* @dev: valid struct device pointer, or NULL for ISA and EISA-like devices
diff --git a/arch/arm/include/asm/exception.h b/arch/arm/include/asm/exception.h
index a7273ad9587a..58e039a851af 100644
--- a/arch/arm/include/asm/exception.h
+++ b/arch/arm/include/asm/exception.h
@@ -10,11 +10,10 @@
#include <linux/interrupt.h>
-#define __exception __attribute__((section(".exception.text")))
#ifdef CONFIG_FUNCTION_GRAPH_TRACER
#define __exception_irq_entry __irq_entry
#else
-#define __exception_irq_entry __exception
+#define __exception_irq_entry
#endif
#endif /* __ASM_ARM_EXCEPTION_H */
diff --git a/arch/arm/include/asm/glue-cache.h b/arch/arm/include/asm/glue-cache.h
index 01c3d92624e5..8d1f498e5dd8 100644
--- a/arch/arm/include/asm/glue-cache.h
+++ b/arch/arm/include/asm/glue-cache.h
@@ -117,6 +117,10 @@
# endif
#endif
+#if defined(CONFIG_CACHE_B15_RAC)
+# define MULTI_CACHE 1
+#endif
+
#if defined(CONFIG_CPU_V7M)
# define MULTI_CACHE 1
#endif
diff --git a/arch/arm/include/asm/hardware/cache-b15-rac.h b/arch/arm/include/asm/hardware/cache-b15-rac.h
new file mode 100644
index 000000000000..3d43ec06fd35
--- /dev/null
+++ b/arch/arm/include/asm/hardware/cache-b15-rac.h
@@ -0,0 +1,10 @@
+#ifndef __ASM_ARM_HARDWARE_CACHE_B15_RAC_H
+#define __ASM_ARM_HARDWARE_CACHE_B15_RAC_H
+
+#ifndef __ASSEMBLY__
+
+void b15_flush_kern_cache_all(void);
+
+#endif
+
+#endif
diff --git a/arch/arm/include/asm/hardware/sa1111.h b/arch/arm/include/asm/hardware/sa1111.h
index 0bbf163d1ed3..798e520e8a49 100644
--- a/arch/arm/include/asm/hardware/sa1111.h
+++ b/arch/arm/include/asm/hardware/sa1111.h
@@ -16,33 +16,6 @@
#include <mach/bitfield.h>
/*
- * The SA1111 is always located at virtual 0xf4000000, and is always
- * "native" endian.
- */
-
-#define SA1111_VBASE 0xf4000000
-
-/* Don't use these! */
-#define SA1111_p2v( x ) ((x) - SA1111_BASE + SA1111_VBASE)
-#define SA1111_v2p( x ) ((x) - SA1111_VBASE + SA1111_BASE)
-
-#ifndef __ASSEMBLY__
-#define _SA1111(x) ((x) + sa1111->resource.start)
-#endif
-
-#define sa1111_writel(val,addr) __raw_writel(val, addr)
-#define sa1111_readl(addr) __raw_readl(addr)
-
-/*
- * 26 bits of the SA-1110 address bus are available to the SA-1111.
- * Use these when feeding target addresses to the DMA engines.
- */
-
-#define SA1111_ADDR_WIDTH (26)
-#define SA1111_ADDR_MASK ((1<<SA1111_ADDR_WIDTH)-1)
-#define SA1111_DMA_ADDR(x) ((x)&SA1111_ADDR_MASK)
-
-/*
* Don't ask the (SAC) DMA engines to move less than this amount.
*/
@@ -417,7 +390,7 @@ struct sa1111_dev {
struct resource res;
void __iomem *mapbase;
unsigned int skpcr_mask;
- unsigned int irq[6];
+ unsigned int hwirq[6];
u64 dma_mask;
};
@@ -431,9 +404,6 @@ struct sa1111_driver {
unsigned int devid;
int (*probe)(struct sa1111_dev *);
int (*remove)(struct sa1111_dev *);
- int (*suspend)(struct sa1111_dev *, pm_message_t);
- int (*resume)(struct sa1111_dev *);
- void (*shutdown)(struct sa1111_dev *);
};
#define SA1111_DRV(_d) container_of((_d), struct sa1111_driver, drv)
diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index a9f7d3f47134..acbf9ec7b396 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -238,6 +238,9 @@ int kvm_arm_coproc_set_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *);
int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *run,
int exception_index);
+static inline void handle_exit_early(struct kvm_vcpu *vcpu, struct kvm_run *run,
+ int exception_index) {}
+
static inline void __cpu_init_hyp_mode(phys_addr_t pgd_ptr,
unsigned long hyp_stack_ptr,
unsigned long vector_ptr)
@@ -301,4 +304,6 @@ int kvm_arm_vcpu_arch_has_attr(struct kvm_vcpu *vcpu,
/* All host FP/SIMD state is restored on guest exit, so nothing to save: */
static inline void kvm_fpsimd_flush_cpu_state(void) {}
+static inline void kvm_arm_vhe_guest_enter(void) {}
+static inline void kvm_arm_vhe_guest_exit(void) {}
#endif /* __ARM_KVM_HOST_H__ */
diff --git a/arch/arm/include/asm/kvm_mmu.h b/arch/arm/include/asm/kvm_mmu.h
index fa6f2174276b..a2d176a308bd 100644
--- a/arch/arm/include/asm/kvm_mmu.h
+++ b/arch/arm/include/asm/kvm_mmu.h
@@ -211,6 +211,11 @@ static inline bool __kvm_cpu_uses_extended_idmap(void)
return false;
}
+static inline unsigned long __kvm_idmap_ptrs_per_pgd(void)
+{
+ return PTRS_PER_PGD;
+}
+
static inline void __kvm_extend_hypmap(pgd_t *boot_hyp_pgd,
pgd_t *hyp_pgd,
pgd_t *merged_hyp_pgd,
@@ -221,6 +226,18 @@ static inline unsigned int kvm_get_vmid_bits(void)
return 8;
}
+static inline void *kvm_get_hyp_vector(void)
+{
+ return kvm_ksym_ref(__kvm_hyp_vector);
+}
+
+static inline int kvm_map_vectors(void)
+{
+ return 0;
+}
+
+#define kvm_phys_to_vttbr(addr) (addr)
+
#endif /* !__ASSEMBLY__ */
#endif /* __ARM_KVM_MMU_H__ */
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 1f54e4e98c1e..496667703693 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -88,6 +88,7 @@
#else /* CONFIG_MMU */
#ifndef __ASSEMBLY__
+extern unsigned long setup_vectors_base(void);
extern unsigned long vectors_base;
#define VECTORS_BASE vectors_base
#endif
diff --git a/arch/arm/include/asm/pgtable-3level.h b/arch/arm/include/asm/pgtable-3level.h
index 1a7a17b2a1ba..2a4836087358 100644
--- a/arch/arm/include/asm/pgtable-3level.h
+++ b/arch/arm/include/asm/pgtable-3level.h
@@ -249,6 +249,9 @@ PMD_BIT_FUNC(mkyoung, |= PMD_SECT_AF);
#define pfn_pmd(pfn,prot) (__pmd(((phys_addr_t)(pfn) << PAGE_SHIFT) | pgprot_val(prot)))
#define mk_pmd(page,prot) pfn_pmd(page_to_pfn(page),prot)
+/* No hardware dirty/accessed bits -- generic_pmdp_establish() fits */
+#define pmdp_establish generic_pmdp_establish
+
/* represent a notpresent pmd by faulting entry, this is used by pmdp_invalidate */
static inline pmd_t pmd_mknotpresent(pmd_t pmd)
{
diff --git a/arch/arm/include/asm/processor.h b/arch/arm/include/asm/processor.h
index 338cbe0a18ef..1bf65b47808a 100644
--- a/arch/arm/include/asm/processor.h
+++ b/arch/arm/include/asm/processor.h
@@ -45,6 +45,16 @@ struct thread_struct {
struct debug_info debug;
};
+/*
+ * Everything usercopied to/from thread_struct is statically-sized, so
+ * no hardened usercopy whitelist is needed.
+ */
+static inline void arch_thread_struct_whitelist(unsigned long *offset,
+ unsigned long *size)
+{
+ *offset = *size = 0;
+}
+
#define INIT_THREAD { }
#define start_thread(regs,pc,sp) \
diff --git a/arch/arm/include/asm/ptdump.h b/arch/arm/include/asm/ptdump.h
new file mode 100644
index 000000000000..3ebf9718288d
--- /dev/null
+++ b/arch/arm/include/asm/ptdump.h
@@ -0,0 +1,43 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (C) 2014 ARM Ltd. */
+#ifndef __ASM_PTDUMP_H
+#define __ASM_PTDUMP_H
+
+#ifdef CONFIG_ARM_PTDUMP_CORE
+
+#include <linux/mm_types.h>
+#include <linux/seq_file.h>
+
+struct addr_marker {
+ unsigned long start_address;
+ char *name;
+};
+
+struct ptdump_info {
+ struct mm_struct *mm;
+ const struct addr_marker *markers;
+ unsigned long base_addr;
+};
+
+void ptdump_walk_pgd(struct seq_file *s, struct ptdump_info *info);
+#ifdef CONFIG_ARM_PTDUMP_DEBUGFS
+int ptdump_debugfs_register(struct ptdump_info *info, const char *name);
+#else
+static inline int ptdump_debugfs_register(struct ptdump_info *info,
+ const char *name)
+{
+ return 0;
+}
+#endif /* CONFIG_ARM_PTDUMP_DEBUGFS */
+
+void ptdump_check_wx(void);
+
+#endif /* CONFIG_ARM_PTDUMP_CORE */
+
+#ifdef CONFIG_DEBUG_WX
+#define debug_checkwx() ptdump_check_wx()
+#else
+#define debug_checkwx() do { } while (0)
+#endif
+
+#endif /* __ASM_PTDUMP_H */
diff --git a/arch/arm/include/asm/sections.h b/arch/arm/include/asm/sections.h
index 63dfe1f10335..4ceb4f757d4d 100644
--- a/arch/arm/include/asm/sections.h
+++ b/arch/arm/include/asm/sections.h
@@ -6,4 +6,25 @@
extern char _exiprom[];
+extern char __idmap_text_start[];
+extern char __idmap_text_end[];
+extern char __entry_text_start[];
+extern char __entry_text_end[];
+extern char __hyp_idmap_text_start[];
+extern char __hyp_idmap_text_end[];
+
+static inline bool in_entry_text(unsigned long addr)
+{
+ return memory_contains(__entry_text_start, __entry_text_end,
+ (void *)addr, 1);
+}
+
+static inline bool in_idmap_text(unsigned long addr)
+{
+ void *a = (void *)addr;
+ return memory_contains(__idmap_text_start, __idmap_text_end, a, 1) ||
+ memory_contains(__hyp_idmap_text_start, __hyp_idmap_text_end,
+ a, 1);
+}
+
#endif /* _ASM_ARM_SECTIONS_H */
diff --git a/arch/arm/include/asm/string.h b/arch/arm/include/asm/string.h
index f54a3136aac6..111a1d8a41dd 100644
--- a/arch/arm/include/asm/string.h
+++ b/arch/arm/include/asm/string.h
@@ -39,18 +39,4 @@ static inline void *memset64(uint64_t *p, uint64_t v, __kernel_size_t n)
return __memset64(p, v, n * 8, v >> 32);
}
-extern void __memzero(void *ptr, __kernel_size_t n);
-
-#define memset(p,v,n) \
- ({ \
- void *__p = (p); size_t __n = n; \
- if ((__n) != 0) { \
- if (__builtin_constant_p((v)) && (v) == 0) \
- __memzero((__p),(__n)); \
- else \
- memset((__p),(v),(__n)); \
- } \
- (__p); \
- })
-
#endif
diff --git a/arch/arm/include/asm/traps.h b/arch/arm/include/asm/traps.h
index f9a6c5fc3fd1..a00288d75ee6 100644
--- a/arch/arm/include/asm/traps.h
+++ b/arch/arm/include/asm/traps.h
@@ -28,18 +28,6 @@ static inline int __in_irqentry_text(unsigned long ptr)
ptr < (unsigned long)&__irqentry_text_end;
}
-static inline int in_exception_text(unsigned long ptr)
-{
- extern char __exception_text_start[];
- extern char __exception_text_end[];
- int in;
-
- in = ptr >= (unsigned long)&__exception_text_start &&
- ptr < (unsigned long)&__exception_text_end;
-
- return in ? : __in_irqentry_text(ptr);
-}
-
extern void __init early_trap_init(void *);
extern void dump_backtrace_entry(unsigned long where, unsigned long from, unsigned long frame);
extern void ptrace_break(struct task_struct *tsk, struct pt_regs *regs);
diff --git a/arch/arm/include/asm/unified.h b/arch/arm/include/asm/unified.h
index a91ae499614c..2c3b952be63e 100644
--- a/arch/arm/include/asm/unified.h
+++ b/arch/arm/include/asm/unified.h
@@ -20,8 +20,10 @@
#ifndef __ASM_UNIFIED_H
#define __ASM_UNIFIED_H
-#if defined(__ASSEMBLY__) && defined(CONFIG_ARM_ASM_UNIFIED)
+#if defined(__ASSEMBLY__)
.syntax unified
+#else
+__asm__(".syntax unified");
#endif
#ifdef CONFIG_CPU_V7M
@@ -64,77 +66,4 @@
#endif /* CONFIG_THUMB2_KERNEL */
-#ifndef CONFIG_ARM_ASM_UNIFIED
-
-/*
- * If the unified assembly syntax isn't used (in ARM mode), these
- * macros expand to an empty string
- */
-#ifdef __ASSEMBLY__
- .macro it, cond
- .endm
- .macro itt, cond
- .endm
- .macro ite, cond
- .endm
- .macro ittt, cond
- .endm
- .macro itte, cond
- .endm
- .macro itet, cond
- .endm
- .macro itee, cond
- .endm
- .macro itttt, cond
- .endm
- .macro ittte, cond
- .endm
- .macro ittet, cond
- .endm
- .macro ittee, cond
- .endm
- .macro itett, cond
- .endm
- .macro itete, cond
- .endm
- .macro iteet, cond
- .endm
- .macro iteee, cond
- .endm
-#else /* !__ASSEMBLY__ */
-__asm__(
-" .macro it, cond\n"
-" .endm\n"
-" .macro itt, cond\n"
-" .endm\n"
-" .macro ite, cond\n"
-" .endm\n"
-" .macro ittt, cond\n"
-" .endm\n"
-" .macro itte, cond\n"
-" .endm\n"
-" .macro itet, cond\n"
-" .endm\n"
-" .macro itee, cond\n"
-" .endm\n"
-" .macro itttt, cond\n"
-" .endm\n"
-" .macro ittte, cond\n"
-" .endm\n"
-" .macro ittet, cond\n"
-" .endm\n"
-" .macro ittee, cond\n"
-" .endm\n"
-" .macro itett, cond\n"
-" .endm\n"
-" .macro itete, cond\n"
-" .endm\n"
-" .macro iteet, cond\n"
-" .endm\n"
-" .macro iteee, cond\n"
-" .endm\n");
-#endif /* __ASSEMBLY__ */
-
-#endif /* CONFIG_ARM_ASM_UNIFIED */
-
#endif /* !__ASM_UNIFIED_H */
diff --git a/arch/arm/include/uapi/asm/siginfo.h b/arch/arm/include/uapi/asm/siginfo.h
new file mode 100644
index 000000000000..d0513880be21
--- /dev/null
+++ b/arch/arm/include/uapi/asm/siginfo.h
@@ -0,0 +1,13 @@
+#ifndef __ASM_SIGINFO_H
+#define __ASM_SIGINFO_H
+
+#include <asm-generic/siginfo.h>
+
+/*
+ * SIGFPE si_codes
+ */
+#ifdef __KERNEL__
+#define FPE_FIXME 0 /* Broken dup of SI_USER */
+#endif /* __KERNEL__ */
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-11 11:40:11 +0000