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-rw-r--r--arch/openrisc/include/asm/cacheflush.h17
-rw-r--r--arch/openrisc/include/asm/cpuinfo.h24
-rw-r--r--arch/openrisc/include/asm/mmu.h2
-rw-r--r--arch/openrisc/include/asm/page.h8
-rw-r--r--arch/openrisc/include/asm/pgalloc.h7
-rw-r--r--arch/openrisc/include/asm/pgtable.h8
-rw-r--r--arch/openrisc/include/asm/processor.h4
-rw-r--r--arch/openrisc/include/asm/ptrace.h4
-rw-r--r--arch/openrisc/include/asm/setup.h2
-rw-r--r--arch/openrisc/include/asm/syscall.h13
-rw-r--r--arch/openrisc/include/asm/thread_info.h8
-rw-r--r--arch/openrisc/include/uapi/asm/ptrace.h2
12 files changed, 67 insertions, 32 deletions
diff --git a/arch/openrisc/include/asm/cacheflush.h b/arch/openrisc/include/asm/cacheflush.h
index 984c331ff5f4..0e60af486ec1 100644
--- a/arch/openrisc/include/asm/cacheflush.h
+++ b/arch/openrisc/include/asm/cacheflush.h
@@ -23,6 +23,9 @@
*/
extern void local_dcache_page_flush(struct page *page);
extern void local_icache_page_inv(struct page *page);
+extern void local_dcache_range_flush(unsigned long start, unsigned long end);
+extern void local_dcache_range_inv(unsigned long start, unsigned long end);
+extern void local_icache_range_inv(unsigned long start, unsigned long end);
/*
* Data cache flushing always happen on the local cpu. Instruction cache
@@ -39,6 +42,20 @@ extern void smp_icache_page_inv(struct page *page);
#endif /* CONFIG_SMP */
/*
+ * Even if the actual block size is larger than L1_CACHE_BYTES, paddr
+ * can be incremented by L1_CACHE_BYTES. When paddr is written to the
+ * invalidate register, the entire cache line encompassing this address
+ * is invalidated. Each subsequent reference to the same cache line will
+ * not affect the invalidation process.
+ */
+#define local_dcache_block_flush(addr) \
+ local_dcache_range_flush(addr, addr + L1_CACHE_BYTES)
+#define local_dcache_block_inv(addr) \
+ local_dcache_range_inv(addr, addr + L1_CACHE_BYTES)
+#define local_icache_block_inv(addr) \
+ local_icache_range_inv(addr, addr + L1_CACHE_BYTES)
+
+/*
* Synchronizes caches. Whenever a cpu writes executable code to memory, this
* should be called to make sure the processor sees the newly written code.
*/
diff --git a/arch/openrisc/include/asm/cpuinfo.h b/arch/openrisc/include/asm/cpuinfo.h
index 5e4744153d0e..3cfc4cf0b019 100644
--- a/arch/openrisc/include/asm/cpuinfo.h
+++ b/arch/openrisc/include/asm/cpuinfo.h
@@ -15,16 +15,21 @@
#ifndef __ASM_OPENRISC_CPUINFO_H
#define __ASM_OPENRISC_CPUINFO_H
+#include <asm/spr.h>
+#include <asm/spr_defs.h>
+
+struct cache_desc {
+ u32 size;
+ u32 sets;
+ u32 block_size;
+ u32 ways;
+};
+
struct cpuinfo_or1k {
u32 clock_frequency;
- u32 icache_size;
- u32 icache_block_size;
- u32 icache_ways;
-
- u32 dcache_size;
- u32 dcache_block_size;
- u32 dcache_ways;
+ struct cache_desc icache;
+ struct cache_desc dcache;
u16 coreid;
};
@@ -32,4 +37,9 @@ struct cpuinfo_or1k {
extern struct cpuinfo_or1k cpuinfo_or1k[NR_CPUS];
extern void setup_cpuinfo(void);
+/*
+ * Check if the cache component exists.
+ */
+extern bool cpu_cache_is_present(const unsigned int cache_type);
+
#endif /* __ASM_OPENRISC_CPUINFO_H */
diff --git a/arch/openrisc/include/asm/mmu.h b/arch/openrisc/include/asm/mmu.h
index eb720110f3a2..e7826a681bc4 100644
--- a/arch/openrisc/include/asm/mmu.h
+++ b/arch/openrisc/include/asm/mmu.h
@@ -15,7 +15,7 @@
#ifndef __ASM_OPENRISC_MMU_H
#define __ASM_OPENRISC_MMU_H
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
typedef unsigned long mm_context_t;
#endif
diff --git a/arch/openrisc/include/asm/page.h b/arch/openrisc/include/asm/page.h
index c589e96035e1..85797f94d1d7 100644
--- a/arch/openrisc/include/asm/page.h
+++ b/arch/openrisc/include/asm/page.h
@@ -25,7 +25,7 @@
*/
#include <asm/setup.h>
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#define clear_page(page) memset((page), 0, PAGE_SIZE)
#define copy_page(to, from) memcpy((to), (from), PAGE_SIZE)
@@ -55,10 +55,10 @@ typedef struct page *pgtable_t;
#define __pgd(x) ((pgd_t) { (x) })
#define __pgprot(x) ((pgprot_t) { (x) })
-#endif /* !__ASSEMBLY__ */
+#endif /* !__ASSEMBLER__ */
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET))
#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET)
@@ -73,7 +73,7 @@ static inline unsigned long virt_to_pfn(const void *kaddr)
#define virt_addr_valid(kaddr) (pfn_valid(virt_to_pfn(kaddr)))
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#include <asm-generic/memory_model.h>
#include <asm-generic/getorder.h>
diff --git a/arch/openrisc/include/asm/pgalloc.h b/arch/openrisc/include/asm/pgalloc.h
index 3372f4e6ab4b..3f110931d8f6 100644
--- a/arch/openrisc/include/asm/pgalloc.h
+++ b/arch/openrisc/include/asm/pgalloc.h
@@ -64,10 +64,7 @@ extern inline pgd_t *pgd_alloc(struct mm_struct *mm)
extern pte_t *pte_alloc_one_kernel(struct mm_struct *mm);
-#define __pte_free_tlb(tlb, pte, addr) \
-do { \
- pagetable_dtor(page_ptdesc(pte)); \
- tlb_remove_page_ptdesc((tlb), (page_ptdesc(pte))); \
-} while (0)
+#define __pte_free_tlb(tlb, pte, addr) \
+ tlb_remove_ptdesc((tlb), page_ptdesc(pte))
#endif
diff --git a/arch/openrisc/include/asm/pgtable.h b/arch/openrisc/include/asm/pgtable.h
index 60c6ce7ff2dc..d33702831505 100644
--- a/arch/openrisc/include/asm/pgtable.h
+++ b/arch/openrisc/include/asm/pgtable.h
@@ -23,7 +23,7 @@
#include <asm-generic/pgtable-nopmd.h>
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#include <asm/mmu.h>
#include <asm/fixmap.h>
@@ -299,8 +299,6 @@ static inline pte_t __mk_pte(void *page, pgprot_t pgprot)
return pte;
}
-#define mk_pte(page, pgprot) __mk_pte(page_address(page), (pgprot))
-
#define mk_pte_phys(physpage, pgprot) \
({ \
pte_t __pte; \
@@ -413,7 +411,7 @@ static inline void update_mmu_cache_range(struct vm_fault *vmf,
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-static inline int pte_swp_exclusive(pte_t pte)
+static inline bool pte_swp_exclusive(pte_t pte)
{
return pte_val(pte) & _PAGE_SWP_EXCLUSIVE;
}
@@ -432,5 +430,5 @@ static inline pte_t pte_swp_clear_exclusive(pte_t pte)
typedef pte_t *pte_addr_t;
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* __ASM_OPENRISC_PGTABLE_H */
diff --git a/arch/openrisc/include/asm/processor.h b/arch/openrisc/include/asm/processor.h
index e05d1b59e24e..3ff893a67c13 100644
--- a/arch/openrisc/include/asm/processor.h
+++ b/arch/openrisc/include/asm/processor.h
@@ -39,7 +39,7 @@
*/
#define TASK_UNMAPPED_BASE (TASK_SIZE / 8 * 3)
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
struct task_struct;
@@ -78,5 +78,5 @@ void show_registers(struct pt_regs *regs);
#define cpu_relax() barrier()
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
#endif /* __ASM_OPENRISC_PROCESSOR_H */
diff --git a/arch/openrisc/include/asm/ptrace.h b/arch/openrisc/include/asm/ptrace.h
index e5a282b67075..28facf2f3e00 100644
--- a/arch/openrisc/include/asm/ptrace.h
+++ b/arch/openrisc/include/asm/ptrace.h
@@ -27,7 +27,7 @@
* they share a cacheline (not done yet, though... future optimization).
*/
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
/*
* This struct describes how the registers are laid out on the kernel stack
* during a syscall or other kernel entry.
@@ -147,7 +147,7 @@ static inline unsigned long regs_get_register(struct pt_regs *regs,
return *(unsigned long *)((unsigned long)regs + offset);
}
-#endif /* __ASSEMBLY__ */
+#endif /* __ASSEMBLER__ */
/*
* Offsets used by 'ptrace' system call interface.
diff --git a/arch/openrisc/include/asm/setup.h b/arch/openrisc/include/asm/setup.h
index 9acbc5deda69..dce9f4d3b378 100644
--- a/arch/openrisc/include/asm/setup.h
+++ b/arch/openrisc/include/asm/setup.h
@@ -8,7 +8,7 @@
#include <linux/init.h>
#include <asm-generic/setup.h>
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
void __init or1k_early_setup(void *fdt);
#endif
diff --git a/arch/openrisc/include/asm/syscall.h b/arch/openrisc/include/asm/syscall.h
index 903ed882bdec..5e037d9659c5 100644
--- a/arch/openrisc/include/asm/syscall.h
+++ b/arch/openrisc/include/asm/syscall.h
@@ -26,6 +26,12 @@ syscall_get_nr(struct task_struct *task, struct pt_regs *regs)
}
static inline void
+syscall_set_nr(struct task_struct *task, struct pt_regs *regs, int nr)
+{
+ regs->orig_gpr11 = nr;
+}
+
+static inline void
syscall_rollback(struct task_struct *task, struct pt_regs *regs)
{
regs->gpr[11] = regs->orig_gpr11;
@@ -57,6 +63,13 @@ syscall_get_arguments(struct task_struct *task, struct pt_regs *regs,
memcpy(args, &regs->gpr[3], 6 * sizeof(args[0]));
}
+static inline void
+syscall_set_arguments(struct task_struct *task, struct pt_regs *regs,
+ const unsigned long *args)
+{
+ memcpy(&regs->gpr[3], args, 6 * sizeof(args[0]));
+}
+
static inline int syscall_get_arch(struct task_struct *task)
{
return AUDIT_ARCH_OPENRISC;
diff --git a/arch/openrisc/include/asm/thread_info.h b/arch/openrisc/include/asm/thread_info.h
index 4af3049c34c2..e338fff7efb0 100644
--- a/arch/openrisc/include/asm/thread_info.h
+++ b/arch/openrisc/include/asm/thread_info.h
@@ -17,7 +17,7 @@
#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#include <asm/types.h>
#include <asm/processor.h>
#endif
@@ -38,7 +38,7 @@
* - if the contents of this structure are changed, the assembly constants
* must also be changed
*/
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
struct thread_info {
struct task_struct *task; /* main task structure */
@@ -58,7 +58,7 @@ struct thread_info {
*
* preempt_count needs to be 1 initially, until the scheduler is functional.
*/
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
#define INIT_THREAD_INFO(tsk) \
{ \
.task = &tsk, \
@@ -75,7 +75,7 @@ register struct thread_info *current_thread_info_reg asm("r10");
#define get_thread_info(ti) get_task_struct((ti)->task)
#define put_thread_info(ti) put_task_struct((ti)->task)
-#endif /* !__ASSEMBLY__ */
+#endif /* !__ASSEMBLER__ */
/*
* thread information flags
diff --git a/arch/openrisc/include/uapi/asm/ptrace.h b/arch/openrisc/include/uapi/asm/ptrace.h
index a77cc9915ca8..1f12a60d5a06 100644
--- a/arch/openrisc/include/uapi/asm/ptrace.h
+++ b/arch/openrisc/include/uapi/asm/ptrace.h
@@ -20,7 +20,7 @@
#ifndef _UAPI__ASM_OPENRISC_PTRACE_H
#define _UAPI__ASM_OPENRISC_PTRACE_H
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
/*
* This is the layout of the regset returned by the GETREGSET ptrace call
*/
generated by cgit (git 2.34.1) at 2025-08-05 15:22:57 +0000