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-rw-r--r--arch/sh/include/asm/dma-mapping.h36
-rw-r--r--arch/sh/include/asm/mmu.h35
-rw-r--r--arch/sh/include/asm/processor_32.h13
-rw-r--r--arch/sh/include/asm/ptrace.h10
-rw-r--r--arch/sh/include/asm/scatterlist.h11
-rw-r--r--arch/sh/include/asm/spinlock.h3
-rw-r--r--arch/sh/include/asm/system.h1
-rw-r--r--arch/sh/include/asm/system_32.h170
-rw-r--r--arch/sh/include/asm/topology.h8
-rw-r--r--arch/sh/include/asm/unistd_32.h4
-rw-r--r--arch/sh/include/asm/unistd_64.h4
11 files changed, 208 insertions, 87 deletions
diff --git a/arch/sh/include/asm/dma-mapping.h b/arch/sh/include/asm/dma-mapping.h
index 627315ecdb52..ea9d4f41c9d2 100644
--- a/arch/sh/include/asm/dma-mapping.h
+++ b/arch/sh/include/asm/dma-mapping.h
@@ -3,6 +3,7 @@
#include <linux/mm.h>
#include <linux/scatterlist.h>
+#include <linux/dma-debug.h>
#include <asm/cacheflush.h>
#include <asm/io.h>
#include <asm-generic/dma-coherent.h>
@@ -38,16 +39,26 @@ static inline dma_addr_t dma_map_single(struct device *dev,
void *ptr, size_t size,
enum dma_data_direction dir)
{
+ dma_addr_t addr = virt_to_phys(ptr);
+
#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
if (dev->bus == &pci_bus_type)
- return virt_to_phys(ptr);
+ return addr;
#endif
dma_cache_sync(dev, ptr, size, dir);
- return virt_to_phys(ptr);
+ debug_dma_map_page(dev, virt_to_page(ptr),
+ (unsigned long)ptr & ~PAGE_MASK, size,
+ dir, addr, true);
+
+ return addr;
}
-#define dma_unmap_single(dev, addr, size, dir) do { } while (0)
+static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
+ size_t size, enum dma_data_direction dir)
+{
+ debug_dma_unmap_page(dev, addr, size, dir, true);
+}
static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
int nents, enum dma_data_direction dir)
@@ -59,12 +70,19 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
sg[i].dma_address = sg_phys(&sg[i]);
+ sg[i].dma_length = sg[i].length;
}
+ debug_dma_map_sg(dev, sg, nents, i, dir);
+
return nents;
}
-#define dma_unmap_sg(dev, sg, nents, dir) do { } while (0)
+static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
+ int nents, enum dma_data_direction dir)
+{
+ debug_dma_unmap_sg(dev, sg, nents, dir);
+}
static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
unsigned long offset, size_t size,
@@ -111,6 +129,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
#endif
sg[i].dma_address = sg_phys(&sg[i]);
+ sg[i].dma_length = sg[i].length;
}
}
@@ -119,6 +138,7 @@ static inline void dma_sync_single_for_cpu(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_single(dev, dma_handle, size, dir);
+ debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir);
}
static inline void dma_sync_single_for_device(struct device *dev,
@@ -127,6 +147,7 @@ static inline void dma_sync_single_for_device(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_single(dev, dma_handle, size, dir);
+ debug_dma_sync_single_for_device(dev, dma_handle, size, dir);
}
static inline void dma_sync_single_range_for_cpu(struct device *dev,
@@ -136,6 +157,8 @@ static inline void dma_sync_single_range_for_cpu(struct device *dev,
enum dma_data_direction direction)
{
dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
+ debug_dma_sync_single_range_for_cpu(dev, dma_handle,
+ offset, size, direction);
}
static inline void dma_sync_single_range_for_device(struct device *dev,
@@ -145,6 +168,8 @@ static inline void dma_sync_single_range_for_device(struct device *dev,
enum dma_data_direction direction)
{
dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
+ debug_dma_sync_single_range_for_device(dev, dma_handle,
+ offset, size, direction);
}
@@ -153,6 +178,7 @@ static inline void dma_sync_sg_for_cpu(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_sg(dev, sg, nelems, dir);
+ debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
}
static inline void dma_sync_sg_for_device(struct device *dev,
@@ -160,9 +186,9 @@ static inline void dma_sync_sg_for_device(struct device *dev,
enum dma_data_direction dir)
{
dma_sync_sg(dev, sg, nelems, dir);
+ debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
}
-
static inline int dma_get_cache_alignment(void)
{
/*
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index 6c43625bb1a5..f5963037c9d6 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -1,22 +1,6 @@
#ifndef __MMU_H
#define __MMU_H
-/* Default "unsigned long" context */
-typedef unsigned long mm_context_id_t[NR_CPUS];
-
-typedef struct {
-#ifdef CONFIG_MMU
- mm_context_id_t id;
- void *vdso;
-#else
- unsigned long end_brk;
-#endif
-#ifdef CONFIG_BINFMT_ELF_FDPIC
- unsigned long exec_fdpic_loadmap;
- unsigned long interp_fdpic_loadmap;
-#endif
-} mm_context_t;
-
/*
* Privileged Space Mapping Buffer (PMB) definitions
*/
@@ -41,6 +25,24 @@ typedef struct {
#define PMB_NO_ENTRY (-1)
+#ifndef __ASSEMBLY__
+
+/* Default "unsigned long" context */
+typedef unsigned long mm_context_id_t[NR_CPUS];
+
+typedef struct {
+#ifdef CONFIG_MMU
+ mm_context_id_t id;
+ void *vdso;
+#else
+ unsigned long end_brk;
+#endif
+#ifdef CONFIG_BINFMT_ELF_FDPIC
+ unsigned long exec_fdpic_loadmap;
+ unsigned long interp_fdpic_loadmap;
+#endif
+} mm_context_t;
+
struct pmb_entry;
struct pmb_entry {
@@ -70,6 +72,7 @@ void pmb_free(struct pmb_entry *pmbe);
long pmb_remap(unsigned long virt, unsigned long phys,
unsigned long size, unsigned long flags);
void pmb_unmap(unsigned long addr);
+#endif /* __ASSEMBLY__ */
#endif /* __MMU_H */
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index efdd78a53b11..9a8714945dc9 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -58,6 +58,14 @@ asmlinkage void __init sh_cpu_init(void);
#define SR_FD 0x00008000
/*
+ * DSP structure and data
+ */
+struct sh_dsp_struct {
+ unsigned long dsp_regs[14];
+ long status;
+};
+
+/*
* FPU structure and data
*/
@@ -96,6 +104,11 @@ struct thread_struct {
/* floating point info */
union sh_fpu_union fpu;
+
+#ifdef CONFIG_SH_DSP
+ /* Dsp status information */
+ struct sh_dsp_struct dsp_status;
+#endif
};
/* Count of active tasks with UBC settings */
diff --git a/arch/sh/include/asm/ptrace.h b/arch/sh/include/asm/ptrace.h
index 81c6568fdb3e..68e20ff9aa9b 100644
--- a/arch/sh/include/asm/ptrace.h
+++ b/arch/sh/include/asm/ptrace.h
@@ -9,7 +9,7 @@
struct pt_regs {
unsigned long long pc;
unsigned long long sr;
- unsigned long long syscall_nr;
+ long long syscall_nr;
unsigned long long regs[63];
unsigned long long tregs[8];
unsigned long long pad[2];
@@ -119,16 +119,8 @@ struct task_struct;
extern void user_enable_single_step(struct task_struct *);
extern void user_disable_single_step(struct task_struct *);
-#ifdef CONFIG_SH_DSP
-#define task_pt_regs(task) \
- ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
- - sizeof(struct pt_dspregs)) - 1)
-#define task_pt_dspregs(task) \
- ((struct pt_dspregs *) (task_stack_page(task) + THREAD_SIZE) - 1)
-#else
#define task_pt_regs(task) \
((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE) - 1)
-#endif
static inline unsigned long profile_pc(struct pt_regs *regs)
{
diff --git a/arch/sh/include/asm/scatterlist.h b/arch/sh/include/asm/scatterlist.h
index 2084d0373693..c693d268a413 100644
--- a/arch/sh/include/asm/scatterlist.h
+++ b/arch/sh/include/asm/scatterlist.h
@@ -5,12 +5,13 @@
struct scatterlist {
#ifdef CONFIG_DEBUG_SG
- unsigned long sg_magic;
+ unsigned long sg_magic;
#endif
- unsigned long page_link;
- unsigned int offset;/* for highmem, page offset */
- dma_addr_t dma_address;
- unsigned int length;
+ unsigned long page_link;
+ unsigned int offset; /* for highmem, page offset */
+ unsigned int length;
+ dma_addr_t dma_address;
+ unsigned int dma_length;
};
#define ISA_DMA_THRESHOLD PHYS_ADDR_MASK
diff --git a/arch/sh/include/asm/spinlock.h b/arch/sh/include/asm/spinlock.h
index e793181d64da..60283565f89b 100644
--- a/arch/sh/include/asm/spinlock.h
+++ b/arch/sh/include/asm/spinlock.h
@@ -216,6 +216,9 @@ static inline int __raw_write_trylock(raw_rwlock_t *rw)
return (oldval > (RW_LOCK_BIAS - 1));
}
+#define __raw_read_lock_flags(lock, flags) __raw_read_lock(lock)
+#define __raw_write_lock_flags(lock, flags) __raw_write_lock(lock)
+
#define _raw_spin_relax(lock) cpu_relax()
#define _raw_read_relax(lock) cpu_relax()
#define _raw_write_relax(lock) cpu_relax()
diff --git a/arch/sh/include/asm/system.h b/arch/sh/include/asm/system.h
index c9ec6af8e745..a88895e6dcb0 100644
--- a/arch/sh/include/asm/system.h
+++ b/arch/sh/include/asm/system.h
@@ -153,6 +153,7 @@ extern unsigned long cached_to_uncached;
extern struct dentry *sh_debugfs_root;
void per_cpu_trap_init(void);
+void default_idle(void);
asmlinkage void break_point_trap(void);
diff --git a/arch/sh/include/asm/system_32.h b/arch/sh/include/asm/system_32.h
index a726d5d07277..240b31e1142c 100644
--- a/arch/sh/include/asm/system_32.h
+++ b/arch/sh/include/asm/system_32.h
@@ -3,59 +3,135 @@
#include <linux/types.h>
+#ifdef CONFIG_SH_DSP
+
+#define is_dsp_enabled(tsk) \
+ (!!(tsk->thread.dsp_status.status & SR_DSP))
+
+#define __restore_dsp(tsk) \
+do { \
+ register u32 *__ts2 __asm__ ("r2") = \
+ (u32 *)&tsk->thread.dsp_status; \
+ __asm__ __volatile__ ( \
+ ".balign 4\n\t" \
+ "movs.l @r2+, a1\n\t" \
+ "movs.l @r2+, a0g\n\t" \
+ "movs.l @r2+, a1g\n\t" \
+ "movs.l @r2+, m0\n\t" \
+ "movs.l @r2+, m1\n\t" \
+ "movs.l @r2+, a0\n\t" \
+ "movs.l @r2+, x0\n\t" \
+ "movs.l @r2+, x1\n\t" \
+ "movs.l @r2+, y0\n\t" \
+ "movs.l @r2+, y1\n\t" \
+ "lds.l @r2+, dsr\n\t" \
+ "ldc.l @r2+, rs\n\t" \
+ "ldc.l @r2+, re\n\t" \
+ "ldc.l @r2+, mod\n\t" \
+ : : "r" (__ts2)); \
+} while (0)
+
+
+#define __save_dsp(tsk) \
+do { \
+ register u32 *__ts2 __asm__ ("r2") = \
+ (u32 *)&tsk->thread.dsp_status + 14; \
+ \
+ __asm__ __volatile__ ( \
+ ".balign 4\n\t" \
+ "stc.l mod, @-r2\n\t" \
+ "stc.l re, @-r2\n\t" \
+ "stc.l rs, @-r2\n\t" \
+ "sts.l dsr, @-r2\n\t" \
+ "sts.l y1, @-r2\n\t" \
+ "sts.l y0, @-r2\n\t" \
+ "sts.l x1, @-r2\n\t" \
+ "sts.l x0, @-r2\n\t" \
+ "sts.l a0, @-r2\n\t" \
+ ".word 0xf653 ! movs.l a1, @-r2\n\t" \
+ ".word 0xf6f3 ! movs.l a0g, @-r2\n\t" \
+ ".word 0xf6d3 ! movs.l a1g, @-r2\n\t" \
+ ".word 0xf6c3 ! movs.l m0, @-r2\n\t" \
+ ".word 0xf6e3 ! movs.l m1, @-r2\n\t" \
+ : : "r" (__ts2)); \
+} while (0)
+
+#else
+
+#define is_dsp_enabled(tsk) (0)
+#define __save_dsp(tsk) do { } while (0)
+#define __restore_dsp(tsk) do { } while (0)
+#endif
+
struct task_struct *__switch_to(struct task_struct *prev,
struct task_struct *next);
/*
* switch_to() should switch tasks to task nr n, first
*/
-#define switch_to(prev, next, last) \
-do { \
- register u32 *__ts1 __asm__ ("r1") = (u32 *)&prev->thread.sp; \
- register u32 *__ts2 __asm__ ("r2") = (u32 *)&prev->thread.pc; \
- register u32 *__ts4 __asm__ ("r4") = (u32 *)prev; \
- register u32 *__ts5 __asm__ ("r5") = (u32 *)next; \
- register u32 *__ts6 __asm__ ("r6") = (u32 *)&next->thread.sp; \
- register u32 __ts7 __asm__ ("r7") = next->thread.pc; \
- struct task_struct *__last; \
- \
- __asm__ __volatile__ ( \
- ".balign 4\n\t" \
- "stc.l gbr, @-r15\n\t" \
- "sts.l pr, @-r15\n\t" \
- "mov.l r8, @-r15\n\t" \
- "mov.l r9, @-r15\n\t" \
- "mov.l r10, @-r15\n\t" \
- "mov.l r11, @-r15\n\t" \
- "mov.l r12, @-r15\n\t" \
- "mov.l r13, @-r15\n\t" \
- "mov.l r14, @-r15\n\t" \
- "mov.l r15, @r1\t! save SP\n\t" \
- "mov.l @r6, r15\t! change to new stack\n\t" \
- "mova 1f, %0\n\t" \
- "mov.l %0, @r2\t! save PC\n\t" \
- "mov.l 2f, %0\n\t" \
- "jmp @%0\t! call __switch_to\n\t" \
- " lds r7, pr\t! with return to new PC\n\t" \
- ".balign 4\n" \
- "2:\n\t" \
- ".long __switch_to\n" \
- "1:\n\t" \
- "mov.l @r15+, r14\n\t" \
- "mov.l @r15+, r13\n\t" \
- "mov.l @r15+, r12\n\t" \
- "mov.l @r15+, r11\n\t" \
- "mov.l @r15+, r10\n\t" \
- "mov.l @r15+, r9\n\t" \
- "mov.l @r15+, r8\n\t" \
- "lds.l @r15+, pr\n\t" \
- "ldc.l @r15+, gbr\n\t" \
- : "=z" (__last) \
- : "r" (__ts1), "r" (__ts2), "r" (__ts4), \
- "r" (__ts5), "r" (__ts6), "r" (__ts7) \
- : "r3", "t"); \
- \
- last = __last; \
+#define switch_to(prev, next, last) \
+do { \
+ register u32 *__ts1 __asm__ ("r1"); \
+ register u32 *__ts2 __asm__ ("r2"); \
+ register u32 *__ts4 __asm__ ("r4"); \
+ register u32 *__ts5 __asm__ ("r5"); \
+ register u32 *__ts6 __asm__ ("r6"); \
+ register u32 __ts7 __asm__ ("r7"); \
+ struct task_struct *__last; \
+ \
+ if (is_dsp_enabled(prev)) \
+ __save_dsp(prev); \
+ \
+ __ts1 = (u32 *)&prev->thread.sp; \
+ __ts2 = (u32 *)&prev->thread.pc; \
+ __ts4 = (u32 *)prev; \
+ __ts5 = (u32 *)next; \
+ __ts6 = (u32 *)&next->thread.sp; \
+ __ts7 = next->thread.pc; \
+ \
+ __asm__ __volatile__ ( \
+ ".balign 4\n\t" \
+ "stc.l gbr, @-r15\n\t" \
+ "sts.l pr, @-r15\n\t" \
+ "mov.l r8, @-r15\n\t" \
+ "mov.l r9, @-r15\n\t" \
+ "mov.l r10, @-r15\n\t" \
+ "mov.l r11, @-r15\n\t" \
+ "mov.l r12, @-r15\n\t" \
+ "mov.l r13, @-r15\n\t" \
+ "mov.l r14, @-r15\n\t" \
+ "mov.l r15, @r1\t! save SP\n\t" \
+ "mov.l @r6, r15\t! change to new stack\n\t" \
+ "mova 1f, %0\n\t" \
+ "mov.l %0, @r2\t! save PC\n\t" \
+ "mov.l 2f, %0\n\t" \
+ "jmp @%0\t! call __switch_to\n\t" \
+ " lds r7, pr\t! with return to new PC\n\t" \
+ ".balign 4\n" \
+ "2:\n\t" \
+ ".long __switch_to\n" \
+ "1:\n\t" \
+ "mov.l @r15+, r14\n\t" \
+ "mov.l @r15+, r13\n\t" \
+ "mov.l @r15+, r12\n\t" \
+ "mov.l @r15+, r11\n\t" \
+ "mov.l @r15+, r10\n\t" \
+ "mov.l @r15+, r9\n\t" \
+ "mov.l @r15+, r8\n\t" \
+ "lds.l @r15+, pr\n\t" \
+ "ldc.l @r15+, gbr\n\t" \
+ : "=z" (__last) \
+ : "r" (__ts1), "r" (__ts2), "r" (__ts4), \
+ "r" (__ts5), "r" (__ts6), "r" (__ts7) \
+ : "r3", "t"); \
+ \
+ last = __last; \
+} while (0)
+
+#define finish_arch_switch(prev) \
+do { \
+ if (is_dsp_enabled(prev)) \
+ __restore_dsp(prev); \
} while (0)
#define __uses_jump_to_uncached \
diff --git a/arch/sh/include/asm/topology.h b/arch/sh/include/asm/topology.h
index 066f0fba590e..8489a0905a87 100644
--- a/arch/sh/include/asm/topology.h
+++ b/arch/sh/include/asm/topology.h
@@ -33,13 +33,15 @@
#define node_to_cpumask(node) ((void)node, cpu_online_map)
#define cpumask_of_node(node) ((void)node, cpu_online_mask)
-#define node_to_first_cpu(node) ((void)(node),0)
#define pcibus_to_node(bus) ((void)(bus), -1)
#define pcibus_to_cpumask(bus) (pcibus_to_node(bus) == -1 ? \
CPU_MASK_ALL : \
- node_to_cpumask(pcibus_to_node(bus)) \
- )
+ node_to_cpumask(pcibus_to_node(bus)))
+#define cpumask_of_pcibus(bus) (pcibus_to_node(bus) == -1 ? \
+ CPU_MASK_ALL_PTR : \
+ cpumask_of_node(pcibus_to_node(bus)))
+
#endif
#include <asm-generic/topology.h>
diff --git a/arch/sh/include/asm/unistd_32.h b/arch/sh/include/asm/unistd_32.h
index d52c000cf924..2efb819e2db3 100644
--- a/arch/sh/include/asm/unistd_32.h
+++ b/arch/sh/include/asm/unistd_32.h
@@ -341,8 +341,10 @@
#define __NR_dup3 330
#define __NR_pipe2 331
#define __NR_inotify_init1 332
+#define __NR_preadv 333
+#define __NR_pwritev 334
-#define NR_syscalls 333
+#define NR_syscalls 335
#ifdef __KERNEL__
diff --git a/arch/sh/include/asm/unistd_64.h b/arch/sh/include/asm/unistd_64.h
index 7c54e91753c1..6eb9d2934c0f 100644
--- a/arch/sh/include/asm/unistd_64.h
+++ b/arch/sh/include/asm/unistd_64.h
@@ -381,10 +381,12 @@
#define __NR_dup3 358
#define __NR_pipe2 359
#define __NR_inotify_init1 360
+#define __NR_preadv 361
+#define __NR_pwritev 362
#ifdef __KERNEL__
-#define NR_syscalls 361
+#define NR_syscalls 363
#define __ARCH_WANT_IPC_PARSE_VERSION
#define __ARCH_WANT_OLD_READDIR
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.