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-rw-r--r--arch/microblaze/include/asm/uaccess.h87
-rw-r--r--arch/microblaze/kernel/cpu/cache.c3
-rw-r--r--arch/microblaze/kernel/entry-nommu.S2
-rw-r--r--arch/microblaze/kernel/microblaze_ksyms.c11
-rw-r--r--arch/microblaze/kernel/module.c2
-rw-r--r--arch/microblaze/mm/init.c1
-rw-r--r--arch/microblaze/mm/pgtable.c1
-rw-r--r--arch/microblaze/pci/pci-common.c2
8 files changed, 89 insertions, 20 deletions
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 446bec29b142..26460d15b338 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -182,6 +182,39 @@ extern long __user_bad(void);
182 * Returns zero on success, or -EFAULT on error. 182 * Returns zero on success, or -EFAULT on error.
183 * On error, the variable @x is set to zero. 183 * On error, the variable @x is set to zero.
184 */ 184 */
185#define get_user(x, ptr) \
186 __get_user_check((x), (ptr), sizeof(*(ptr)))
187
188#define __get_user_check(x, ptr, size) \
189({ \
190 unsigned long __gu_val = 0; \
191 const typeof(*(ptr)) __user *__gu_addr = (ptr); \
192 int __gu_err = 0; \
193 \
194 if (access_ok(VERIFY_READ, __gu_addr, size)) { \
195 switch (size) { \
196 case 1: \
197 __get_user_asm("lbu", __gu_addr, __gu_val, \
198 __gu_err); \
199 break; \
200 case 2: \
201 __get_user_asm("lhu", __gu_addr, __gu_val, \
202 __gu_err); \
203 break; \
204 case 4: \
205 __get_user_asm("lw", __gu_addr, __gu_val, \
206 __gu_err); \
207 break; \
208 default: \
209 __gu_err = __user_bad(); \
210 break; \
211 } \
212 } else { \
213 __gu_err = -EFAULT; \
214 } \
215 x = (typeof(*(ptr)))__gu_val; \
216 __gu_err; \
217})
185 218
186#define __get_user(x, ptr) \ 219#define __get_user(x, ptr) \
187({ \ 220({ \
@@ -206,12 +239,6 @@ extern long __user_bad(void);
206}) 239})
207 240
208 241
209#define get_user(x, ptr) \
210({ \
211 access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) \
212 ? __get_user((x), (ptr)) : -EFAULT; \
213})
214
215#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \ 242#define __put_user_asm(insn, __gu_ptr, __gu_val, __gu_err) \
216({ \ 243({ \
217 __asm__ __volatile__ ( \ 244 __asm__ __volatile__ ( \
@@ -266,6 +293,42 @@ extern long __user_bad(void);
266 * 293 *
267 * Returns zero on success, or -EFAULT on error. 294 * Returns zero on success, or -EFAULT on error.
268 */ 295 */
296#define put_user(x, ptr) \
297 __put_user_check((x), (ptr), sizeof(*(ptr)))
298
299#define __put_user_check(x, ptr, size) \
300({ \
301 typeof(*(ptr)) __pu_val; \
302 typeof(*(ptr)) __user *__pu_addr = (ptr); \
303 int __pu_err = 0; \
304 \
305 __pu_val = (x); \
306 if (access_ok(VERIFY_WRITE, __pu_addr, size)) { \
307 switch (size) { \
308 case 1: \
309 __put_user_asm("sb", __pu_addr, __pu_val, \
310 __pu_err); \
311 break; \
312 case 2: \
313 __put_user_asm("sh", __pu_addr, __pu_val, \
314 __pu_err); \
315 break; \
316 case 4: \
317 __put_user_asm("sw", __pu_addr, __pu_val, \
318 __pu_err); \
319 break; \
320 case 8: \
321 __put_user_asm_8(__pu_addr, __pu_val, __pu_err);\
322 break; \
323 default: \
324 __pu_err = __user_bad(); \
325 break; \
326 } \
327 } else { \
328 __pu_err = -EFAULT; \
329 } \
330 __pu_err; \
331})
269 332
270#define __put_user(x, ptr) \ 333#define __put_user(x, ptr) \
271({ \ 334({ \
@@ -290,18 +353,6 @@ extern long __user_bad(void);
290 __gu_err; \ 353 __gu_err; \
291}) 354})
292 355
293#ifndef CONFIG_MMU
294
295#define put_user(x, ptr) __put_user((x), (ptr))
296
297#else /* CONFIG_MMU */
298
299#define put_user(x, ptr) \
300({ \
301 access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) \
302 ? __put_user((x), (ptr)) : -EFAULT; \
303})
304#endif /* CONFIG_MMU */
305 356
306/* copy_to_from_user */ 357/* copy_to_from_user */
307#define __copy_from_user(to, from, n) \ 358#define __copy_from_user(to, from, n) \
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 21c3a92394de..109876e8d643 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -137,8 +137,9 @@ do { \
137do { \ 137do { \
138 int step = -line_length; \ 138 int step = -line_length; \
139 int align = ~(line_length - 1); \ 139 int align = ~(line_length - 1); \
140 int count; \
140 end = ((end & align) == end) ? end - line_length : end & align; \ 141 end = ((end & align) == end) ? end - line_length : end & align; \
141 int count = end - start; \ 142 count = end - start; \
142 WARN_ON(count < 0); \ 143 WARN_ON(count < 0); \
143 \ 144 \
144 __asm__ __volatile__ (" 1: " #op " %0, %1; \ 145 __asm__ __volatile__ (" 1: " #op " %0, %1; \
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
index 391d6197fc3b..8cc18cd2cce6 100644
--- a/arch/microblaze/kernel/entry-nommu.S
+++ b/arch/microblaze/kernel/entry-nommu.S
@@ -476,6 +476,8 @@ ENTRY(ret_from_fork)
476 nop 476 nop
477 477
478work_pending: 478work_pending:
479 enable_irq
480
479 andi r11, r19, _TIF_NEED_RESCHED 481 andi r11, r19, _TIF_NEED_RESCHED
480 beqi r11, 1f 482 beqi r11, 1f
481 bralid r15, schedule 483 bralid r15, schedule
diff --git a/arch/microblaze/kernel/microblaze_ksyms.c b/arch/microblaze/kernel/microblaze_ksyms.c
index bc4dcb7d3861..ff85f7718035 100644
--- a/arch/microblaze/kernel/microblaze_ksyms.c
+++ b/arch/microblaze/kernel/microblaze_ksyms.c
@@ -52,3 +52,14 @@ EXPORT_SYMBOL_GPL(_ebss);
52extern void _mcount(void); 52extern void _mcount(void);
53EXPORT_SYMBOL(_mcount); 53EXPORT_SYMBOL(_mcount);
54#endif 54#endif
55
56/*
57 * Assembly functions that may be used (directly or indirectly) by modules
58 */
59EXPORT_SYMBOL(__copy_tofrom_user);
60EXPORT_SYMBOL(__strncpy_user);
61
62#ifdef CONFIG_OPT_LIB_ASM
63EXPORT_SYMBOL(memcpy);
64EXPORT_SYMBOL(memmove);
65#endif
diff --git a/arch/microblaze/kernel/module.c b/arch/microblaze/kernel/module.c
index cbecf110dc30..0e73f6606547 100644
--- a/arch/microblaze/kernel/module.c
+++ b/arch/microblaze/kernel/module.c
@@ -16,6 +16,7 @@
16#include <linux/string.h> 16#include <linux/string.h>
17 17
18#include <asm/pgtable.h> 18#include <asm/pgtable.h>
19#include <asm/cacheflush.h>
19 20
20void *module_alloc(unsigned long size) 21void *module_alloc(unsigned long size)
21{ 22{
@@ -151,6 +152,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs, const char *strtab,
151int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs, 152int module_finalize(const Elf32_Ehdr *hdr, const Elf_Shdr *sechdrs,
152 struct module *module) 153 struct module *module)
153{ 154{
155 flush_dcache();
154 return 0; 156 return 0;
155} 157}
156 158
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index f42c2dde8b1c..cca3579d4268 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -47,6 +47,7 @@ unsigned long memory_start;
47EXPORT_SYMBOL(memory_start); 47EXPORT_SYMBOL(memory_start);
48unsigned long memory_end; /* due to mm/nommu.c */ 48unsigned long memory_end; /* due to mm/nommu.c */
49unsigned long memory_size; 49unsigned long memory_size;
50EXPORT_SYMBOL(memory_size);
50 51
51/* 52/*
52 * paging_init() sets up the page tables - in fact we've already done this. 53 * paging_init() sets up the page tables - in fact we've already done this.
diff --git a/arch/microblaze/mm/pgtable.c b/arch/microblaze/mm/pgtable.c
index 784557fb28cf..59bf2335a4ce 100644
--- a/arch/microblaze/mm/pgtable.c
+++ b/arch/microblaze/mm/pgtable.c
@@ -42,6 +42,7 @@
42 42
43unsigned long ioremap_base; 43unsigned long ioremap_base;
44unsigned long ioremap_bot; 44unsigned long ioremap_bot;
45EXPORT_SYMBOL(ioremap_bot);
45 46
46/* The maximum lowmem defaults to 768Mb, but this can be configured to 47/* The maximum lowmem defaults to 768Mb, but this can be configured to
47 * another value. 48 * another value.
diff --git a/arch/microblaze/pci/pci-common.c b/arch/microblaze/pci/pci-common.c
index 01c8c97c15b7..9cb782b8e036 100644
--- a/arch/microblaze/pci/pci-common.c
+++ b/arch/microblaze/pci/pci-common.c
@@ -1507,7 +1507,7 @@ void pcibios_finish_adding_to_bus(struct pci_bus *bus)
1507 pci_bus_add_devices(bus); 1507 pci_bus_add_devices(bus);
1508 1508
1509 /* Fixup EEH */ 1509 /* Fixup EEH */
1510 eeh_add_device_tree_late(bus); 1510 /* eeh_add_device_tree_late(bus); */
1511} 1511}
1512EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus); 1512EXPORT_SYMBOL_GPL(pcibios_finish_adding_to_bus);
1513 1513
generated by cgit v1.2.2 (git 2.25.0) at 2025-11-18 15:13:35 -0500