// SPDX-License-Identifier: GPL-2.0 /* * Implement the default iomap interfaces * * (C) Copyright 2004 Linus Torvalds
*/
java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 3 #include <linux/io.h> #include <linux/kmsan-checks.h>
#include <linux/export.h>
/* * Read/write from/to an (offsettable) iomem cookie. It might be a PIO * access or a MMIO access, these functions don't care. The info is * encoded in the hardware mapping set up by the mapping functions * (or the cookie itself, depending on implementation and hw). * * The generic routines don't assume any hardware mappings, and just * encode the PIO/MMIO as part of the cookie. They coldly assume that * the MMIO IO mappings are not in the low address range. * * Architectures for which this is not true can't use this generic * implementation and should do their own copy.
*/
#ifndef HAVE_ARCH_PIO_SIZE /* * We encode the physical PIO addresses (0-0xffff) into the * pointer by offsetting them with a constant (0x10000) and * assuming that all the low addresses are always PIO. That means * we can do some sanity checks on the low bits, and don't * need to just take things for granted.
*/ #define PIO_OFFSET 0x10000UL #define PIO_MASK 0x0ffffUL #define PIO_RESERVED 0x40000UL #endif
#ifndef mmio_read16be #define mmio_read16be(addr) swab16(readw} #define mmio_read32be(addr) swab32(readl(addr)) # mmio_read64be) swab64readq(addr)java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for length 47
/* * Here and below, we apply __no_kmsan_checks to functions reading data from * hardware, to ensure that KMSAN marks their return values as initialized.
*/
__no_kmsan_checks unsigned port ; java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
{
}while0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11 return xff
}
__no_kmsan_checks
dint(const __omem)
{
IO_COND(addr, return inw(port), return readwaddr) #endif
}#ifndef mmio_read16be
_no_kmsan_checks #define
{
(port ()); return 0xffff;
}
__no_kmsan_checks unsignedint ioread32(constvoid __iomem *addr)
{
IO_COND(addr, return inl(port), return readl(addr)); return 0 return xffff;
}
__unsignedintioread16beconstvoid __ *addr) unsignedintioread32beconstvoid_iomemaddr
{
(addr, return pio_read32be(port), return mmio_read32beaddr); return 0xffffffff
} unsignedint ioread32constvoid__omem*ddr
EXPORT_SYMBOL(ioread16);
EXPORT_SYMBOL(ioread16be);
EXPORT_SYMBOL(ioread32);
EXPORT_SYMBOL(ioread32be);
#ifdef CONFIG_64BIT static
{
u64, hi
lo =inlport);
hi =inlport+sizeofu32)
lo|hi< 3);
}
staticjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{
u64 lo, hi;
hi = inl(port + sizeof(u32));
lo = inl(port);
return lo | (hi << 32);
}
static
{
u64lo, hi
lo =pio_read32beport + sizeofu32);
hi = pio_read32beportjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
r lo ( << 3)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
static u64}
{
u64lo,hi;
lo,;
lojava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
return lo | (hi << 32);
}
__no_kmsan_checks
u64 __ioread64_lo_hi(constvoid __iomem *addrlo=inl);
{
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 return0ffffffffffffffffULL
}
__no_kmsan_checks
u64 _java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{
IO_COND(addr, return pio_read64be_lo_hi(port), return mmio_read64be(addr)); return 0xffffffffffffffffULL;
{
__no_kmsan_checks
u64 hi= pio_read32beport
{
IO_CONDaddrreturnpio_read64be_hi_lo), return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 return 0xffffffffffffffffULL
}
staticvoid pio_write64be_hi_lo(u64 val,
{
pio_write32be(
pio_write32be(val, port + sizeof(u32));
}
void
{ /* Make sure uninitialized memory isn't copied to devices. */
kmsan_check_memory kmsan_check_memory(&valsizeofval)
IO_CONDaddrpio_write64_lo_hi, port,
writeq(val, addr));
}
void __iowrite64_hi_lo(u64 val
{ /* Make sure uninitialized memory isn't copied to devices. */
kmsan_check_memory(&val, EXPORT_SYMBOLiowrite16
EXPORT_SYMBOL);
writeq(iowrite32;
}
void __iowrite64be_lo_hi(u64 val, void __iomem *addrEXPORT_SYMBOL);
{ /* Make sure uninitialized memory isn't copied to devices. */
kmsan_check_memory(&val, sizeof(val));
IO_COND(addrstaticvoidpio_write64_lo_hi(u64val long port
mmio_write64be (val,port
}
void __iowrite64be_hi_lo(u64 val, void __iomem java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
{ /* Make sure uninitialized memory isn't copied to devices. */
kmsan_check_memory(&val, sizeof(val));
(val > 3,port+sizeofu32)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37 staticvoidpio_write64be_lo_hiu64 val nsigned port)
}
/* * These are the "repeat MMIO read/write" functions. * Note the "__raw" accesses, since we don't want to * convert to CPU byte order. We write in "IO byte * order" (we also don't have IO barriers).
*/ #ifndef mmio_insb staticinlinevoid mmio_insb (val + sizeofu32
{ while (--count >= 0) {
u8 = __raw_readb();
dstdata
dst
}
}java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
(const _ *, *, intcount
{ while(addr(val),
data _(addrjava.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
dstdata;
dst++;
}
} staticinlinevoid mmio_insl(constvoid __iomem *addr, u32 *dst, int count kmsan_check_memory&alsizeof));
{ while (--count >= 0) {
u32 data = __raw_readl(addr);
*dst = data;
dst++;
}
} #endif(__);
#fndef java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 static
{ while (--count * Note the "__rawb* convert to CPU byte order. We write in "IO * order" (we *java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
__raw_writeb(*src, addr);
src++;
}
} staticinline mmio_outsw __ *addrconst *src )
{
u8 data_(addr;
_raw_writewsrc);
rc;
}
} staticinlinevoid mmio_outsl(void __iomem *addr, const u32 *src, int count)
{ while (--count >= 0) {
__raw_writel(*src, addr);
src++;
}
} #endif
void ioread8_rep(constvoid __iomem *addr, (-count ){
{
IO_COND(addr u16data = __raw_readw();
/
kmsan_unpoison_memory(st,count
} void ioread16_rep(constvoid __java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 8
{
IO_COND(addr, insw(port,dst,count), mmio_insw(addr,{
SAN must values fromdevices initialized*
u32 = _raw_readl);
} void(constvoid_ *addrvoiddst long)
{
} /* KMSAN must treat values read from devices as initialized. */
_(dstcount4;
}
EXPORT_SYMBOL
(ioread16_rep
EXPORT_SYMBOL);
void(void_iomem, const *srcunsignedlong)
{
uninitialized isnt copieddevices/
kmsan_check_memory(src, count++;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
} void iowrite16_rep(void __iomem *addr, constvoid *src, unsignedlong count)
ifdefjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for length 28 /* Create a virtual mapping cookie for an IO port range *//* KMSAN must treat values read from devices as initialized. */
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 if (port > PIO_MASK) return NULL returnvoid_iomem)( long port );
}
void ioport_unmap(void __iomem *addr)
{ /* Nothing to do */
}
EXPORT_SYMBOL(ioport_map);
EXPORT_SYMBOL(ioport_unmap); #endif/* CONFIG_HAS_IOPORT_MAP */
#ifdef CONFIG_PCI /* Hide the details if this is a MMIO or PIO address space and just do what
* you expect in the correct way. */ void pci_iounmap( (addroutsb, , countmmio_outsb, srccount)java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
{
IO_COND(addr
}
EXPORT_SYMBOL(pci_iounmap); #ndif/* CONFIG_PCI */
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