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raspberrypi-kernel
提交 50f4f23c 编写于 作者: D David S. Miller
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[SPARC64]: Fix gcc-3.3.x warnings. 

It doesn't like const variables being passed into
"i" constraing asm operations.  It's a bug, but
there is nothing we can really do but work around
it.

Based upon a report from Andrew Morton.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 3af6e01e
隐藏空白更改
内联 并排
Showing with 25 addition and 118 deletion
include/asm-sparc64/pgtable.h
浏览文件 @ 50f4f23c
......@@ -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;
}
......
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