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-rw-r--r--arch/xtensa/include/asm/cacheflush.h2
-rw-r--r--arch/xtensa/include/asm/fixmap.h30
-rw-r--r--arch/xtensa/include/asm/highmem.h40
-rw-r--r--arch/xtensa/include/asm/page.h14
-rw-r--r--arch/xtensa/include/asm/pgtable.h7
-rw-r--r--arch/xtensa/include/asm/uaccess.h5
-rw-r--r--arch/xtensa/include/uapi/asm/ioctls.h21
-rw-r--r--arch/xtensa/include/uapi/asm/unistd.h5
8 files changed, 105 insertions, 19 deletions
diff --git a/arch/xtensa/include/asm/cacheflush.h b/arch/xtensa/include/asm/cacheflush.h
index 555a98a18453..e72aaca7a77f 100644
--- a/arch/xtensa/include/asm/cacheflush.h
+++ b/arch/xtensa/include/asm/cacheflush.h
@@ -37,6 +37,7 @@
* specials for cache aliasing:
*
* __flush_invalidate_dcache_page_alias(vaddr,paddr)
+ * __invalidate_dcache_page_alias(vaddr,paddr)
* __invalidate_icache_page_alias(vaddr,paddr)
*/
@@ -62,6 +63,7 @@ extern void __flush_invalidate_dcache_range(unsigned long, unsigned long);
#if defined(CONFIG_MMU) && (DCACHE_WAY_SIZE > PAGE_SIZE)
extern void __flush_invalidate_dcache_page_alias(unsigned long, unsigned long);
+extern void __invalidate_dcache_page_alias(unsigned long, unsigned long);
#else
static inline void __flush_invalidate_dcache_page_alias(unsigned long virt,
unsigned long phys) { }
diff --git a/arch/xtensa/include/asm/fixmap.h b/arch/xtensa/include/asm/fixmap.h
index 9f6c33d0428a..62b507deea9d 100644
--- a/arch/xtensa/include/asm/fixmap.h
+++ b/arch/xtensa/include/asm/fixmap.h
@@ -23,8 +23,8 @@
* Here we define all the compile-time 'special' virtual
* addresses. The point is to have a constant address at
* compile time, but to set the physical address only
- * in the boot process. We allocate these special addresses
- * from the end of the consistent memory region backwards.
+ * in the boot process. We allocate these special addresses
+ * from the start of the consistent memory region upwards.
* Also this lets us do fail-safe vmalloc(), we
* can guarantee that these special addresses and
* vmalloc()-ed addresses never overlap.
@@ -38,7 +38,8 @@ enum fixed_addresses {
#ifdef CONFIG_HIGHMEM
/* reserved pte's for temporary kernel mappings */
FIX_KMAP_BEGIN,
- FIX_KMAP_END = FIX_KMAP_BEGIN + (KM_TYPE_NR * NR_CPUS) - 1,
+ FIX_KMAP_END = FIX_KMAP_BEGIN +
+ (KM_TYPE_NR * NR_CPUS * DCACHE_N_COLORS) - 1,
#endif
__end_of_fixed_addresses
};
@@ -47,7 +48,28 @@ enum fixed_addresses {
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK)
-#include <asm-generic/fixmap.h>
+#define __fix_to_virt(x) (FIXADDR_START + ((x) << PAGE_SHIFT))
+#define __virt_to_fix(x) (((x) - FIXADDR_START) >> PAGE_SHIFT)
+
+#ifndef __ASSEMBLY__
+/*
+ * 'index to address' translation. If anyone tries to use the idx
+ * directly without translation, we catch the bug with a NULL-deference
+ * kernel oops. Illegal ranges of incoming indices are caught too.
+ */
+static __always_inline unsigned long fix_to_virt(const unsigned int idx)
+{
+ BUILD_BUG_ON(idx >= __end_of_fixed_addresses);
+ return __fix_to_virt(idx);
+}
+
+static inline unsigned long virt_to_fix(const unsigned long vaddr)
+{
+ BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
+ return __virt_to_fix(vaddr);
+}
+
+#endif
#define kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel( \
diff --git a/arch/xtensa/include/asm/highmem.h b/arch/xtensa/include/asm/highmem.h
index 2653ef5d55f1..2c7901edffaf 100644
--- a/arch/xtensa/include/asm/highmem.h
+++ b/arch/xtensa/include/asm/highmem.h
@@ -12,19 +12,55 @@
#ifndef _XTENSA_HIGHMEM_H
#define _XTENSA_HIGHMEM_H
+#include <linux/wait.h>
#include <asm/cacheflush.h>
#include <asm/fixmap.h>
#include <asm/kmap_types.h>
#include <asm/pgtable.h>
-#define PKMAP_BASE (FIXADDR_START - PMD_SIZE)
-#define LAST_PKMAP PTRS_PER_PTE
+#define PKMAP_BASE ((FIXADDR_START - \
+ (LAST_PKMAP + 1) * PAGE_SIZE) & PMD_MASK)
+#define LAST_PKMAP (PTRS_PER_PTE * DCACHE_N_COLORS)
#define LAST_PKMAP_MASK (LAST_PKMAP - 1)
#define PKMAP_NR(virt) (((virt) - PKMAP_BASE) >> PAGE_SHIFT)
#define PKMAP_ADDR(nr) (PKMAP_BASE + ((nr) << PAGE_SHIFT))
#define kmap_prot PAGE_KERNEL
+#if DCACHE_WAY_SIZE > PAGE_SIZE
+#define get_pkmap_color get_pkmap_color
+static inline int get_pkmap_color(struct page *page)
+{
+ return DCACHE_ALIAS(page_to_phys(page));
+}
+
+extern unsigned int last_pkmap_nr_arr[];
+
+static inline unsigned int get_next_pkmap_nr(unsigned int color)
+{
+ last_pkmap_nr_arr[color] =
+ (last_pkmap_nr_arr[color] + DCACHE_N_COLORS) & LAST_PKMAP_MASK;
+ return last_pkmap_nr_arr[color] + color;
+}
+
+static inline int no_more_pkmaps(unsigned int pkmap_nr, unsigned int color)
+{
+ return pkmap_nr < DCACHE_N_COLORS;
+}
+
+static inline int get_pkmap_entries_count(unsigned int color)
+{
+ return LAST_PKMAP / DCACHE_N_COLORS;
+}
+
+extern wait_queue_head_t pkmap_map_wait_arr[];
+
+static inline wait_queue_head_t *get_pkmap_wait_queue_head(unsigned int color)
+{
+ return pkmap_map_wait_arr + color;
+}
+#endif
+
extern pte_t *pkmap_page_table;
void *kmap_high(struct page *page);
diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h
index 47f582333f6b..abe24c6f8b2f 100644
--- a/arch/xtensa/include/asm/page.h
+++ b/arch/xtensa/include/asm/page.h
@@ -78,7 +78,9 @@
# define DCACHE_ALIAS_EQ(a,b) ((((a) ^ (b)) & DCACHE_ALIAS_MASK) == 0)
#else
# define DCACHE_ALIAS_ORDER 0
+# define DCACHE_ALIAS(a) ((void)(a), 0)
#endif
+#define DCACHE_N_COLORS (1 << DCACHE_ALIAS_ORDER)
#if ICACHE_WAY_SIZE > PAGE_SIZE
# define ICACHE_ALIAS_ORDER (ICACHE_WAY_SHIFT - PAGE_SHIFT)
@@ -134,6 +136,7 @@ static inline __attribute_const__ int get_order(unsigned long size)
#endif
struct page;
+struct vm_area_struct;
extern void clear_page(void *page);
extern void copy_page(void *to, void *from);
@@ -143,8 +146,15 @@ extern void copy_page(void *to, void *from);
*/
#if DCACHE_WAY_SIZE > PAGE_SIZE
-extern void clear_user_page(void*, unsigned long, struct page*);
-extern void copy_user_page(void*, void*, unsigned long, struct page*);
+extern void clear_page_alias(void *vaddr, unsigned long paddr);
+extern void copy_page_alias(void *to, void *from,
+ unsigned long to_paddr, unsigned long from_paddr);
+
+#define clear_user_highpage clear_user_highpage
+void clear_user_highpage(struct page *page, unsigned long vaddr);
+#define __HAVE_ARCH_COPY_USER_HIGHPAGE
+void copy_user_highpage(struct page *to, struct page *from,
+ unsigned long vaddr, struct vm_area_struct *vma);
#else
# define clear_user_page(page, vaddr, pg) clear_page(page)
# define copy_user_page(to, from, vaddr, pg) copy_page(to, from)
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 4b0ca35a93b1..b2173e5da601 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -67,7 +67,12 @@
#define VMALLOC_START 0xC0000000
#define VMALLOC_END 0xC7FEFFFF
#define TLBTEMP_BASE_1 0xC7FF0000
-#define TLBTEMP_BASE_2 0xC7FF8000
+#define TLBTEMP_BASE_2 (TLBTEMP_BASE_1 + DCACHE_WAY_SIZE)
+#if 2 * DCACHE_WAY_SIZE > ICACHE_WAY_SIZE
+#define TLBTEMP_SIZE (2 * DCACHE_WAY_SIZE)
+#else
+#define TLBTEMP_SIZE ICACHE_WAY_SIZE
+#endif
/*
* For the Xtensa architecture, the PTE layout is as follows:
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index fd686dc45d1a..c7211e7e182d 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -52,7 +52,12 @@
*/
.macro get_fs ad, sp
GET_CURRENT(\ad,\sp)
+#if THREAD_CURRENT_DS > 1020
+ addi \ad, \ad, TASK_THREAD
+ l32i \ad, \ad, THREAD_CURRENT_DS - TASK_THREAD
+#else
l32i \ad, \ad, THREAD_CURRENT_DS
+#endif
.endm
/*
diff --git a/arch/xtensa/include/uapi/asm/ioctls.h b/arch/xtensa/include/uapi/asm/ioctls.h
index b4cb1100c0fb..518954e74e6d 100644
--- a/arch/xtensa/include/uapi/asm/ioctls.h
+++ b/arch/xtensa/include/uapi/asm/ioctls.h
@@ -28,17 +28,17 @@
#define TCSETSW 0x5403
#define TCSETSF 0x5404
-#define TCGETA _IOR('t', 23, struct termio)
-#define TCSETA _IOW('t', 24, struct termio)
-#define TCSETAW _IOW('t', 25, struct termio)
-#define TCSETAF _IOW('t', 28, struct termio)
+#define TCGETA 0x80127417 /* _IOR('t', 23, struct termio) */
+#define TCSETA 0x40127418 /* _IOW('t', 24, struct termio) */
+#define TCSETAW 0x40127419 /* _IOW('t', 25, struct termio) */
+#define TCSETAF 0x4012741C /* _IOW('t', 28, struct termio) */
#define TCSBRK _IO('t', 29)
#define TCXONC _IO('t', 30)
#define TCFLSH _IO('t', 31)
-#define TIOCSWINSZ _IOW('t', 103, struct winsize)
-#define TIOCGWINSZ _IOR('t', 104, struct winsize)
+#define TIOCSWINSZ 0x40087467 /* _IOW('t', 103, struct winsize) */
+#define TIOCGWINSZ 0x80087468 /* _IOR('t', 104, struct winsize) */
#define TIOCSTART _IO('t', 110) /* start output, like ^Q */
#define TIOCSTOP _IO('t', 111) /* stop output, like ^S */
#define TIOCOUTQ _IOR('t', 115, int) /* output queue size */
@@ -88,7 +88,6 @@
#define TIOCSETD _IOW('T', 35, int)
#define TIOCGETD _IOR('T', 36, int)
#define TCSBRKP _IOW('T', 37, int) /* Needed for POSIX tcsendbreak()*/
-#define TIOCTTYGSTRUCT _IOR('T', 38, struct tty_struct) /* For debugging only*/
#define TIOCSBRK _IO('T', 39) /* BSD compatibility */
#define TIOCCBRK _IO('T', 40) /* BSD compatibility */
#define TIOCGSID _IOR('T', 41, pid_t) /* Return the session ID of FD*/
@@ -96,6 +95,8 @@
#define TCSETS2 _IOW('T', 43, struct termios2)
#define TCSETSW2 _IOW('T', 44, struct termios2)
#define TCSETSF2 _IOW('T', 45, struct termios2)
+#define TIOCGRS485 _IOR('T', 46, struct serial_rs485)
+#define TIOCSRS485 _IOWR('T', 47, struct serial_rs485)
#define TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
#define TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */
#define TIOCGDEV _IOR('T',0x32, unsigned int) /* Get primary device node of /dev/console */
@@ -114,8 +115,10 @@
#define TIOCSERGETLSR _IOR('T', 89, unsigned int) /* Get line status reg. */
/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */
# define TIOCSER_TEMT 0x01 /* Transmitter physically empty */
-#define TIOCSERGETMULTI _IOR('T', 90, struct serial_multiport_struct) /* Get multiport config */
-#define TIOCSERSETMULTI _IOW('T', 91, struct serial_multiport_struct) /* Set multiport config */
+#define TIOCSERGETMULTI 0x80a8545a /* Get multiport config */
+ /* _IOR('T', 90, struct serial_multiport_struct) */
+#define TIOCSERSETMULTI 0x40a8545b /* Set multiport config */
+ /* _IOW('T', 91, struct serial_multiport_struct) */
#define TIOCMIWAIT _IO('T', 92) /* wait for a change on serial input line(s) */
#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */
diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h
index b9395529f02d..8883fc877c5c 100644
--- a/arch/xtensa/include/uapi/asm/unistd.h
+++ b/arch/xtensa/include/uapi/asm/unistd.h
@@ -739,7 +739,10 @@ __SYSCALL(334, sys_sched_setattr, 2)
#define __NR_sched_getattr 335
__SYSCALL(335, sys_sched_getattr, 3)
-#define __NR_syscall_count 336
+#define __NR_renameat2 336
+__SYSCALL(336, sys_renameat2, 5)
+
+#define __NR_syscall_count 337
/*
* sysxtensa syscall handler
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-19 04:22:21 +0300