Remove more unused stuff, primarily a set of (unused, thankfully) PIO

functions.

Adjust nearby style of one assembly function END().
This commit is contained in:
jmallett 2012-03-12 18:10:01 +00:00
parent 39ac3b03fd
commit 89dc636733
3 changed files with 3 additions and 265 deletions

View File

@ -106,18 +106,6 @@ mips_wbflush(void)
#endif
}
static __inline void
mips_read_membar(void)
{
/* Nil */
}
static __inline void
mips_write_membar(void)
{
mips_wbflush();
}
#ifdef _KERNEL
/*
* XXX
@ -354,29 +342,8 @@ breakpoint(void)
}
#if defined(__GNUC__) && !defined(__mips_o32)
static inline uint64_t
mips3_ld(const volatile uint64_t *va)
{
uint64_t rv;
#if defined(_LP64)
rv = *va;
#else
__asm volatile("ld %0,0(%1)" : "=d"(rv) : "r"(va));
#endif
return (rv);
}
static inline void
mips3_sd(volatile uint64_t *va, uint64_t v)
{
#if defined(_LP64)
*va = v;
#else
__asm volatile("sd %0,0(%1)" :: "r"(v), "r"(va));
#endif
}
#define mips3_ld(a) (*(const volatile uint64_t *)(a))
#define mips3_sd(a, v) (*(volatile uint64_t *)(a) = (v))
#else
uint64_t mips3_ld(volatile uint64_t *va);
void mips3_sd(volatile uint64_t *, uint64_t);
@ -392,81 +359,4 @@ void mips3_sd(volatile uint64_t *, uint64_t);
#define writew(va, d) (*(volatile uint16_t *) (va) = (d))
#define writel(va, d) (*(volatile uint32_t *) (va) = (d))
/*
* I/O macros.
*/
#define outb(a,v) (*(volatile unsigned char*)(a) = (v))
#define out8(a,v) (*(volatile unsigned char*)(a) = (v))
#define outw(a,v) (*(volatile unsigned short*)(a) = (v))
#define out16(a,v) outw(a,v)
#define outl(a,v) (*(volatile unsigned int*)(a) = (v))
#define out32(a,v) outl(a,v)
#define inb(a) (*(volatile unsigned char*)(a))
#define in8(a) (*(volatile unsigned char*)(a))
#define inw(a) (*(volatile unsigned short*)(a))
#define in16(a) inw(a)
#define inl(a) (*(volatile unsigned int*)(a))
#define in32(a) inl(a)
#define out8rb(a,v) (*(volatile unsigned char*)(a) = (v))
#define out16rb(a,v) (__out16rb((volatile uint16_t *)(a), v))
#define out32rb(a,v) (__out32rb((volatile uint32_t *)(a), v))
#define in8rb(a) (*(volatile unsigned char*)(a))
#define in16rb(a) (__in16rb((volatile uint16_t *)(a)))
#define in32rb(a) (__in32rb((volatile uint32_t *)(a)))
#define _swap_(x) (((x) >> 24) | ((x) << 24) | \
(((x) >> 8) & 0xff00) | (((x) & 0xff00) << 8))
static __inline void __out32rb(volatile uint32_t *, uint32_t);
static __inline void __out16rb(volatile uint16_t *, uint16_t);
static __inline uint32_t __in32rb(volatile uint32_t *);
static __inline uint16_t __in16rb(volatile uint16_t *);
static __inline void
__out32rb(volatile uint32_t *a, uint32_t v)
{
uint32_t _v_ = v;
_v_ = _swap_(_v_);
out32(a, _v_);
}
static __inline void
__out16rb(volatile uint16_t *a, uint16_t v)
{
uint16_t _v_;
_v_ = ((v >> 8) & 0xff) | (v << 8);
out16(a, _v_);
}
static __inline uint32_t
__in32rb(volatile uint32_t *a)
{
uint32_t _v_;
_v_ = in32(a);
_v_ = _swap_(_v_);
return _v_;
}
static __inline uint16_t
__in16rb(volatile uint16_t *a)
{
uint16_t _v_;
_v_ = in16(a);
_v_ = ((_v_ >> 8) & 0xff) | (_v_ << 8);
return _v_;
}
void insb(uint8_t *, uint8_t *,int);
void insw(uint16_t *, uint16_t *,int);
void insl(uint32_t *, uint32_t *,int);
void outsb(uint8_t *, const uint8_t *,int);
void outsw(uint16_t *, const uint16_t *,int);
void outsl(uint32_t *, const uint32_t *,int);
#endif /* !_MACHINE_CPUFUNC_H_ */

View File

@ -166,148 +166,6 @@ LEAF(copystr)
END(copystr)
/*
* fillw(pat, addr, count)
*/
LEAF(fillw)
1:
PTR_ADDU a2, a2, -1
sh a0, 0(a1)
bne a2,zero, 1b
PTR_ADDU a1, a1, 2
jr ra
nop
END(fillw)
/*
* Optimized memory zero code.
* mem_zero_page(addr);
*/
LEAF(mem_zero_page)
li v0, PAGE_SIZE
1:
PTR_SUBU v0, 8
sd zero, 0(a0)
bne zero, v0, 1b
PTR_ADDU a0, 8
jr ra
nop
END(mem_zero_page)
/*
* Block I/O routines mainly used by I/O drivers.
*
* Args as: a0 = port
* a1 = memory address
* a2 = count
*/
LEAF(insb)
beq a2, zero, 2f
PTR_ADDU a2, a1
1:
lbu v0, 0(a0)
PTR_ADDU a1, 1
bne a1, a2, 1b
sb v0, -1(a1)
2:
jr ra
nop
END(insb)
LEAF(insw)
beq a2, zero, 2f
PTR_ADDU a2, a2
PTR_ADDU a2, a1
1:
lhu v0, 0(a0)
PTR_ADDU a1, 2
bne a1, a2, 1b
sh v0, -2(a1)
2:
jr ra
nop
END(insw)
LEAF(insl)
beq a2, zero, 2f
sll a2, 2
PTR_ADDU a2, a1
1:
lw v0, 0(a0)
PTR_ADDU a1, 4
bne a1, a2, 1b
sw v0, -4(a1)
2:
jr ra
nop
END(insl)
LEAF(outsb)
beq a2, zero, 2f
PTR_ADDU a2, a1
1:
lbu v0, 0(a1)
PTR_ADDU a1, 1
bne a1, a2, 1b
sb v0, 0(a0)
2:
jr ra
nop
END(outsb)
LEAF(outsw)
beq a2, zero, 2f
addu a2, a2
li v0, 1
and v0, a1
bne v0, zero, 3f # arghh, unaligned.
addu a2, a1
1:
lhu v0, 0(a1)
addiu a1, 2
bne a1, a2, 1b
sh v0, 0(a0)
2:
jr ra
nop
3:
LWHI v0, 0(a1)
LWLO v0, 3(a1)
addiu a1, 2
bne a1, a2, 3b
sh v0, 0(a0)
jr ra
nop
END(outsw)
LEAF(outsl)
beq a2, zero, 2f
sll a2, 2
li v0, 3
and v0, a1
bne v0, zero, 3f # arghh, unaligned.
addu a2, a1
1:
lw v0, 0(a1)
addiu a1, 4
bne a1, a2, 1b
sw v0, 0(a0)
2:
jr ra
nop
3:
LWHI v0, 0(a1)
LWLO v0, 3(a1)
addiu a1, 4
bne a1, a2, 3b
sw v0, 0(a0)
jr ra
nop
END(outsl)
/*
* Copy a null terminated string from the user address space into
* the kernel address space.
@ -1244,7 +1102,7 @@ LEAF(breakpoint)
break MIPS_BREAK_SOVER_VAL
jr ra
nop
END(breakpoint)
END(breakpoint)
LEAF(setjmp)
mfc0 v0, MIPS_COP_0_STATUS # Later the "real" spl value!

View File

@ -607,16 +607,6 @@ LEAF(MipsSaveCurFPState)
nop
END(MipsSaveCurFPState)
/*
* When starting init, call this to configure the process for user
* mode. This will be inherited by other processes.
*/
LEAF_NOPROFILE(prepare_usermode)
j ra
nop
END(prepare_usermode)
/*
* This code is copied the user's stack for returning from signal handlers
* (see sendsig() and sigreturn()). We have to compute the address