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-rw-r--r--include/asm-sparc64/pgtable.h143
1 files changed, 25 insertions, 118 deletions
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 00eecbb52f9..bc446f302ea 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -232,13 +232,8 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
unsigned long paddr = pfn << PAGE_SHIFT;
unsigned long sz_bits;
- BUILD_BUG_ON(!__builtin_constant_p(_PAGE_SZBITS_4U) ||
- !__builtin_constant_p(_PAGE_SZBITS_4V));
-
sz_bits = 0UL;
if (_PAGE_SZBITS_4U != 0UL || _PAGE_SZBITS_4V != 0UL) {
- BUILD_BUG_ON((_PAGE_SZBITS_4U & ~(0xfffffc0000000000UL)) ||
- (_PAGE_SZBITS_4V & ~(0x0000000000000fffUL)));
__asm__ __volatile__(
"\n661: sethi %uhi(%1), %0\n"
" sllx %0, 32, %0\n"
@@ -257,10 +252,6 @@ static inline pte_t pfn_pte(unsigned long pfn, pgprot_t prot)
/* This one can be done with two shifts. */
static inline unsigned long pte_pfn(pte_t pte)
{
- const unsigned long pte_paddr_shl_sun4u = 21;
- const unsigned long pte_paddr_shr_sun4u = 21 + PAGE_SHIFT;
- const unsigned long pte_paddr_shl_sun4v = 8;
- const unsigned long pte_paddr_shr_sun4v = 8 + PAGE_SHIFT;
unsigned long ret;
__asm__ __volatile__(
@@ -273,8 +264,8 @@ static inline unsigned long pte_pfn(pte_t pte)
" .previous\n"
: "=r" (ret)
: "r" (pte_val(pte)),
- "i" (pte_paddr_shl_sun4u), "i" (pte_paddr_shr_sun4u),
- "i" (pte_paddr_shl_sun4v), "i" (pte_paddr_shr_sun4v));
+ "i" (21), "i" (21 + PAGE_SHIFT),
+ "i" (8), "i" (8 + PAGE_SHIFT));
return ret;
}
@@ -282,22 +273,6 @@ static inline unsigned long pte_pfn(pte_t pte)
static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
{
- const unsigned long preserve_mask_sun4u = (_PAGE_PADDR_4U |
- _PAGE_MODIFIED_4U |
- _PAGE_ACCESSED_4U |
- _PAGE_CP_4U |
- _PAGE_CV_4U |
- _PAGE_E_4U |
- _PAGE_PRESENT_4U |
- _PAGE_SZBITS_4U);
- const unsigned long preserve_mask_sun4v = (_PAGE_PADDR_4V |
- _PAGE_MODIFIED_4V |
- _PAGE_ACCESSED_4V |
- _PAGE_CP_4V |
- _PAGE_CV_4V |
- _PAGE_E_4V |
- _PAGE_PRESENT_4V |
- _PAGE_SZBITS_4V);
unsigned long mask, tmp;
/* SUN4U: 0x600307ffffffecb8 (negated == 0x9ffcf80000001347)
@@ -329,7 +304,12 @@ static inline pte_t pte_modify(pte_t pte, pgprot_t prot)
" or %0, %1, %0\n"
" .previous\n"
: "=r" (mask), "=r" (tmp)
- : "i" (preserve_mask_sun4u), "i" (preserve_mask_sun4v));
+ : "i" (_PAGE_PADDR_4U | _PAGE_MODIFIED_4U | _PAGE_ACCESSED_4U |
+ _PAGE_CP_4U | _PAGE_CV_4U | _PAGE_E_4U | _PAGE_PRESENT_4U |
+ _PAGE_SZBITS_4U),
+ "i" (_PAGE_PADDR_4V | _PAGE_MODIFIED_4V | _PAGE_ACCESSED_4V |
+ _PAGE_CP_4V | _PAGE_CV_4V | _PAGE_E_4V | _PAGE_PRESENT_4V |
+ _PAGE_SZBITS_4V));
return __pte((pte_val(pte) & mask) | (pgprot_val(prot) & ~mask));
}
@@ -338,9 +318,6 @@ static inline pte_t pgoff_to_pte(unsigned long off)
{
off <<= PAGE_SHIFT;
- BUILD_BUG_ON((_PAGE_FILE_4U & ~0xfffUL) ||
- (_PAGE_FILE_4V & ~0xfffUL));
-
__asm__ __volatile__(
"\n661: or %0, %2, %0\n"
" .section .sun4v_1insn_patch, \"ax\"\n"
@@ -357,9 +334,6 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot)
{
unsigned long val = pgprot_val(prot);
- BUILD_BUG_ON(((_PAGE_CP_4U | _PAGE_CP_4U | _PAGE_E_4U) & ~(0xfffUL)) ||
- ((_PAGE_CP_4V | _PAGE_CP_4V | _PAGE_E_4V) & ~(0xfffUL)));
-
__asm__ __volatile__(
"\n661: andn %0, %2, %0\n"
" or %0, %3, %0\n"
@@ -382,13 +356,8 @@ static inline pgprot_t pgprot_noncached(pgprot_t prot)
static inline pte_t pte_mkhuge(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_SZHUGE_4U;
- const unsigned long mask_4v = _PAGE_SZHUGE_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0xfffffc0000000000UL)) ||
- (mask_4v & ~(0xfffUL)));
-
__asm__ __volatile__(
"\n661: sethi %%uhi(%1), %0\n"
" sllx %0, 32, %0\n"
@@ -398,20 +367,15 @@ static inline pte_t pte_mkhuge(pte_t pte)
" nop\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_SZHUGE_4U), "i" (_PAGE_SZHUGE_4V));
return __pte(pte_val(pte) | mask);
}
static inline pte_t pte_mkdirty(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_MODIFIED_4U | _PAGE_W_4U;
- const unsigned long mask_4v = _PAGE_MODIFIED_4V | _PAGE_W_4V;
unsigned long val = pte_val(pte), tmp;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000fffUL)));
-
__asm__ __volatile__(
"\n661: or %0, %3, %0\n"
" nop\n"
@@ -426,20 +390,16 @@ static inline pte_t pte_mkdirty(pte_t pte)
" or %0, %1, %0\n"
" .previous\n"
: "=r" (val), "=r" (tmp)
- : "0" (val), "i" (mask_4u), "i" (mask_4v));
+ : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U),
+ "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V));
return __pte(val);
}
static inline pte_t pte_mkclean(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_MODIFIED_4U | _PAGE_W_4U;
- const unsigned long mask_4v = _PAGE_MODIFIED_4V | _PAGE_W_4V;
unsigned long val = pte_val(pte), tmp;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000fffUL)));
-
__asm__ __volatile__(
"\n661: andn %0, %3, %0\n"
" nop\n"
@@ -454,20 +414,16 @@ static inline pte_t pte_mkclean(pte_t pte)
" andn %0, %1, %0\n"
" .previous\n"
: "=r" (val), "=r" (tmp)
- : "0" (val), "i" (mask_4u), "i" (mask_4v));
+ : "0" (val), "i" (_PAGE_MODIFIED_4U | _PAGE_W_4U),
+ "i" (_PAGE_MODIFIED_4V | _PAGE_W_4V));
return __pte(val);
}
static inline pte_t pte_mkwrite(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_WRITE_4U;
- const unsigned long mask_4v = _PAGE_WRITE_4V;
unsigned long val = pte_val(pte), mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -477,20 +433,15 @@ static inline pte_t pte_mkwrite(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V));
return __pte(val | mask);
}
static inline pte_t pte_wrprotect(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_WRITE_4U | _PAGE_W_4U;
- const unsigned long mask_4v = _PAGE_WRITE_4V | _PAGE_W_4V;
unsigned long val = pte_val(pte), tmp;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000fffUL)));
-
__asm__ __volatile__(
"\n661: andn %0, %3, %0\n"
" nop\n"
@@ -505,20 +456,16 @@ static inline pte_t pte_wrprotect(pte_t pte)
" andn %0, %1, %0\n"
" .previous\n"
: "=r" (val), "=r" (tmp)
- : "0" (val), "i" (mask_4u), "i" (mask_4v));
+ : "0" (val), "i" (_PAGE_WRITE_4U | _PAGE_W_4U),
+ "i" (_PAGE_WRITE_4V | _PAGE_W_4V));
return __pte(val);
}
static inline pte_t pte_mkold(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_ACCESSED_4U;
- const unsigned long mask_4v = _PAGE_ACCESSED_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -528,7 +475,7 @@ static inline pte_t pte_mkold(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V));
mask |= _PAGE_R;
@@ -537,13 +484,8 @@ static inline pte_t pte_mkold(pte_t pte)
static inline pte_t pte_mkyoung(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_ACCESSED_4U;
- const unsigned long mask_4v = _PAGE_ACCESSED_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -553,7 +495,7 @@ static inline pte_t pte_mkyoung(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V));
mask |= _PAGE_R;
@@ -562,13 +504,8 @@ static inline pte_t pte_mkyoung(pte_t pte)
static inline unsigned long pte_young(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_ACCESSED_4U;
- const unsigned long mask_4v = _PAGE_ACCESSED_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -578,20 +515,15 @@ static inline unsigned long pte_young(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_ACCESSED_4U), "i" (_PAGE_ACCESSED_4V));
return (pte_val(pte) & mask);
}
static inline unsigned long pte_dirty(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_MODIFIED_4U;
- const unsigned long mask_4v = _PAGE_MODIFIED_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -601,20 +533,15 @@ static inline unsigned long pte_dirty(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_MODIFIED_4U), "i" (_PAGE_MODIFIED_4V));
return (pte_val(pte) & mask);
}
static inline unsigned long pte_write(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_WRITE_4U;
- const unsigned long mask_4v = _PAGE_WRITE_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -624,20 +551,15 @@ static inline unsigned long pte_write(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_WRITE_4U), "i" (_PAGE_WRITE_4V));
return (pte_val(pte) & mask);
}
static inline unsigned long pte_exec(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_EXEC_4U;
- const unsigned long mask_4v = _PAGE_EXEC_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x00000000fffffc00UL)) ||
- (mask_4v & ~(0x0000000000000fffUL)));
-
__asm__ __volatile__(
"\n661: sethi %%hi(%1), %0\n"
" .section .sun4v_1insn_patch, \"ax\"\n"
@@ -645,20 +567,15 @@ static inline unsigned long pte_exec(pte_t pte)
" mov %2, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_EXEC_4U), "i" (_PAGE_EXEC_4V));
return (pte_val(pte) & mask);
}
static inline unsigned long pte_read(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_READ_4U;
- const unsigned long mask_4v = _PAGE_READ_4V;
unsigned long mask;
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0xfffffc0000000000UL)));
-
__asm__ __volatile__(
"\n661: mov %1, %0\n"
" nop\n"
@@ -668,20 +585,15 @@ static inline unsigned long pte_read(pte_t pte)
" sllx %0, 32, %0\n"
" .previous\n"
: "=r" (mask)
- : "i" (mask_4u), "i" (mask_4v));
+ : "i" (_PAGE_READ_4U), "i" (_PAGE_READ_4V));
return (pte_val(pte) & mask);
}
static inline unsigned long pte_file(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_FILE_4U;
- const unsigned long mask_4v = _PAGE_FILE_4V;
unsigned long val = pte_val(pte);
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0x0000000000000fffUL)));
-
__asm__ __volatile__(
"\n661: and %0, %2, %0\n"
" .section .sun4v_1insn_patch, \"ax\"\n"
@@ -689,20 +601,15 @@ static inline unsigned long pte_file(pte_t pte)
" and %0, %3, %0\n"
" .previous\n"
: "=r" (val)
- : "0" (val), "i" (mask_4u), "i" (mask_4v));
+ : "0" (val), "i" (_PAGE_FILE_4U), "i" (_PAGE_FILE_4V));
return val;
}
static inline unsigned long pte_present(pte_t pte)
{
- const unsigned long mask_4u = _PAGE_PRESENT_4U;
- const unsigned long mask_4v = _PAGE_PRESENT_4V;
unsigned long val = pte_val(pte);
- BUILD_BUG_ON((mask_4u & ~(0x0000000000000fffUL)) ||
- (mask_4v & ~(0x0000000000000fffUL)));
-
__asm__ __volatile__(
"\n661: and %0, %2, %0\n"
" .section .sun4v_1insn_patch, \"ax\"\n"
@@ -710,7 +617,7 @@ static inline unsigned long pte_present(pte_t pte)
" and %0, %3, %0\n"
" .previous\n"
: "=r" (val)
- : "0" (val), "i" (mask_4u), "i" (mask_4v));
+ : "0" (val), "i" (_PAGE_PRESENT_4U), "i" (_PAGE_PRESENT_4V));
return val;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-18 16:45:07 +0000