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Diffstat (limited to 'arch/x86/math-emu/reg_ld_str.c')
-rw-r--r--arch/x86/math-emu/reg_ld_str.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/arch/x86/math-emu/reg_ld_str.c b/arch/x86/math-emu/reg_ld_str.c
index 2c98965a60ba..7e4521fbe7da 100644
--- a/arch/x86/math-emu/reg_ld_str.c
+++ b/arch/x86/math-emu/reg_ld_str.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*---------------------------------------------------------------------------+
| reg_ld_str.c |
| |
@@ -83,8 +84,8 @@ int FPU_load_extended(long double __user *s, int stnr)
FPU_REG *sti_ptr = &st(stnr);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 10);
- __copy_from_user(sti_ptr, s, 10);
+ FPU_access_ok(s, 10);
+ FPU_copy_from_user(sti_ptr, s, 10);
RE_ENTRANT_CHECK_ON;
return FPU_tagof(sti_ptr);
@@ -97,7 +98,7 @@ int FPU_load_double(double __user *dfloat, FPU_REG *loaded_data)
unsigned m64, l64;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_get_user(m64, 1 + (unsigned long __user *)dfloat);
FPU_get_user(l64, (unsigned long __user *)dfloat);
RE_ENTRANT_CHECK_ON;
@@ -158,7 +159,7 @@ int FPU_load_single(float __user *single, FPU_REG *loaded_data)
int exp, tag, negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, single, 4);
+ FPU_access_ok(single, 4);
FPU_get_user(m32, (unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -213,7 +214,7 @@ int FPU_load_int64(long long __user *_s)
FPU_REG *st0_ptr = &st(0);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 8);
+ FPU_access_ok(_s, 8);
if (copy_from_user(&s, _s, 8))
FPU_abort;
RE_ENTRANT_CHECK_ON;
@@ -242,7 +243,7 @@ int FPU_load_int32(long __user *_s, FPU_REG *loaded_data)
int negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 4);
+ FPU_access_ok(_s, 4);
FPU_get_user(s, _s);
RE_ENTRANT_CHECK_ON;
@@ -270,7 +271,7 @@ int FPU_load_int16(short __user *_s, FPU_REG *loaded_data)
int s, negative;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, _s, 2);
+ FPU_access_ok(_s, 2);
/* Cast as short to get the sign extended. */
FPU_get_user(s, _s);
RE_ENTRANT_CHECK_ON;
@@ -303,7 +304,7 @@ int FPU_load_bcd(u_char __user *s)
int sign;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 10);
+ FPU_access_ok(s, 10);
RE_ENTRANT_CHECK_ON;
for (pos = 8; pos >= 0; pos--) {
l *= 10;
@@ -344,7 +345,7 @@ int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
if (st0_tag != TAG_Empty) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
FPU_put_user(st0_ptr->sigl, (unsigned long __user *)d);
FPU_put_user(st0_ptr->sigh,
@@ -363,7 +364,7 @@ int FPU_store_extended(FPU_REG *st0_ptr, u_char st0_tag,
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
FPU_put_user(0, (unsigned long __user *)d);
FPU_put_user(0xc0000000, 1 + (unsigned long __user *)d);
FPU_put_user(0xffff, 4 + (short __user *)d);
@@ -538,7 +539,7 @@ denormal_arg:
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_put_user(0, (unsigned long __user *)dfloat);
FPU_put_user(0xfff80000,
1 + (unsigned long __user *)dfloat);
@@ -551,7 +552,7 @@ denormal_arg:
l[1] |= 0x80000000;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, dfloat, 8);
+ FPU_access_ok(dfloat, 8);
FPU_put_user(l[0], (unsigned long __user *)dfloat);
FPU_put_user(l[1], 1 + (unsigned long __user *)dfloat);
RE_ENTRANT_CHECK_ON;
@@ -723,7 +724,7 @@ int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, float __user *single)
/* The masked response */
/* Put out the QNaN indefinite */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, single, 4);
+ FPU_access_ok(single, 4);
FPU_put_user(0xffc00000,
(unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -741,7 +742,7 @@ int FPU_store_single(FPU_REG *st0_ptr, u_char st0_tag, float __user *single)
templ |= 0x80000000;
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, single, 4);
+ FPU_access_ok(single, 4);
FPU_put_user(templ, (unsigned long __user *)single);
RE_ENTRANT_CHECK_ON;
@@ -790,7 +791,7 @@ int FPU_store_int64(FPU_REG *st0_ptr, u_char st0_tag, long long __user *d)
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 8);
+ FPU_access_ok(d, 8);
if (copy_to_user(d, &tll, 8))
FPU_abort;
RE_ENTRANT_CHECK_ON;
@@ -837,7 +838,7 @@ int FPU_store_int32(FPU_REG *st0_ptr, u_char st0_tag, long __user *d)
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 4);
+ FPU_access_ok(d, 4);
FPU_put_user(t.sigl, (unsigned long __user *)d);
RE_ENTRANT_CHECK_ON;
@@ -883,7 +884,7 @@ int FPU_store_int16(FPU_REG *st0_ptr, u_char st0_tag, short __user *d)
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 2);
+ FPU_access_ok(d, 2);
FPU_put_user((short)t.sigl, d);
RE_ENTRANT_CHECK_ON;
@@ -924,7 +925,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d)
if (control_word & CW_Invalid) {
/* Produce the QNaN "indefinite" */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
for (i = 0; i < 7; i++)
FPU_put_user(0, d + i); /* These bytes "undefined" */
FPU_put_user(0xc0, d + 7); /* This byte "undefined" */
@@ -940,7 +941,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d)
}
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 10);
+ FPU_access_ok(d, 10);
RE_ENTRANT_CHECK_ON;
for (i = 0; i < 9; i++) {
b = FPU_div_small(&ll, 10);
@@ -963,7 +964,7 @@ int FPU_store_bcd(FPU_REG *st0_ptr, u_char st0_tag, u_char __user *d)
/* The return value (in eax) is zero if the result is exact,
if bits are changed due to rounding, truncation, etc, then
a non-zero value is returned */
-/* Overflow is signalled by a non-zero return value (in eax).
+/* Overflow is signaled by a non-zero return value (in eax).
In the case of overflow, the returned significand always has the
largest possible value */
int FPU_round_to_int(FPU_REG *r, u_char tag)
@@ -1033,7 +1034,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s)
((addr_modes.default_mode == PM16)
^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 0x0e);
+ FPU_access_ok(s, 0x0e);
FPU_get_user(control_word, (unsigned short __user *)s);
FPU_get_user(partial_status, (unsigned short __user *)(s + 2));
FPU_get_user(tag_word, (unsigned short __user *)(s + 4));
@@ -1055,7 +1056,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s)
}
} else {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 0x1c);
+ FPU_access_ok(s, 0x1c);
FPU_get_user(control_word, (unsigned short __user *)s);
FPU_get_user(partial_status, (unsigned short __user *)(s + 4));
FPU_get_user(tag_word, (unsigned short __user *)(s + 8));
@@ -1116,7 +1117,7 @@ u_char __user *fldenv(fpu_addr_modes addr_modes, u_char __user *s)
return s;
}
-void frstor(fpu_addr_modes addr_modes, u_char __user *data_address)
+void FPU_frstor(fpu_addr_modes addr_modes, u_char __user *data_address)
{
int i, regnr;
u_char __user *s = fldenv(addr_modes, data_address);
@@ -1124,10 +1125,10 @@ void frstor(fpu_addr_modes addr_modes, u_char __user *data_address)
/* Copy all registers in stack order. */
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_READ, s, 80);
- __copy_from_user(register_base + offset, s, other);
+ FPU_access_ok(s, 80);
+ FPU_copy_from_user(register_base + offset, s, other);
if (offset)
- __copy_from_user(register_base, s + other, offset);
+ FPU_copy_from_user(register_base, s + other, offset);
RE_ENTRANT_CHECK_ON;
for (i = 0; i < 8; i++) {
@@ -1145,7 +1146,7 @@ u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d)
((addr_modes.default_mode == PM16)
^ (addr_modes.override.operand_size == OP_SIZE_PREFIX))) {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 14);
+ FPU_access_ok(d, 14);
#ifdef PECULIAR_486
FPU_put_user(control_word & ~0xe080, (unsigned long __user *)d);
#else
@@ -1173,7 +1174,7 @@ u_char __user *fstenv(fpu_addr_modes addr_modes, u_char __user *d)
d += 0x0e;
} else {
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 7 * 4);
+ FPU_access_ok(d, 7 * 4);
#ifdef PECULIAR_486
control_word &= ~0xe080;
/* An 80486 sets nearly all of the reserved bits to 1. */
@@ -1203,7 +1204,7 @@ void fsave(fpu_addr_modes addr_modes, u_char __user *data_address)
d = fstenv(addr_modes, data_address);
RE_ENTRANT_CHECK_OFF;
- FPU_access_ok(VERIFY_WRITE, d, 80);
+ FPU_access_ok(d, 80);
/* Copy all registers in stack order. */
if (__copy_to_user(d, register_base + offset, other))
generated by cgit (git 2.34.1) at 2025-12-25 23:27:25 +0000