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yaml
---
r: 27656
b: refs/heads/master
c: eae8907
h: refs/heads/master
v: v3
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Atsushi Nemoto authored and Ralf Baechle committed Jun 19, 2006
1 parent e89778c commit 19350d8
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Showing 13 changed files with 77 additions and 110 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 5deee2dbf495b2693629f7e8f846483432096278
refs/heads/master: eae89076e696f51762d81d6e2538c3beb59fa7bd
66 changes: 33 additions & 33 deletions trunk/arch/mips/kernel/asm-offsets.c
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Original file line number Diff line number Diff line change
Expand Up @@ -141,72 +141,72 @@ void output_thread_defines(void)
void output_thread_fpu_defines(void)
{
offset("#define THREAD_FPR0 ",
struct task_struct, thread.fpu.hard.fpr[0]);
struct task_struct, thread.fpu.fpr[0]);
offset("#define THREAD_FPR1 ",
struct task_struct, thread.fpu.hard.fpr[1]);
struct task_struct, thread.fpu.fpr[1]);
offset("#define THREAD_FPR2 ",
struct task_struct, thread.fpu.hard.fpr[2]);
struct task_struct, thread.fpu.fpr[2]);
offset("#define THREAD_FPR3 ",
struct task_struct, thread.fpu.hard.fpr[3]);
struct task_struct, thread.fpu.fpr[3]);
offset("#define THREAD_FPR4 ",
struct task_struct, thread.fpu.hard.fpr[4]);
struct task_struct, thread.fpu.fpr[4]);
offset("#define THREAD_FPR5 ",
struct task_struct, thread.fpu.hard.fpr[5]);
struct task_struct, thread.fpu.fpr[5]);
offset("#define THREAD_FPR6 ",
struct task_struct, thread.fpu.hard.fpr[6]);
struct task_struct, thread.fpu.fpr[6]);
offset("#define THREAD_FPR7 ",
struct task_struct, thread.fpu.hard.fpr[7]);
struct task_struct, thread.fpu.fpr[7]);
offset("#define THREAD_FPR8 ",
struct task_struct, thread.fpu.hard.fpr[8]);
struct task_struct, thread.fpu.fpr[8]);
offset("#define THREAD_FPR9 ",
struct task_struct, thread.fpu.hard.fpr[9]);
struct task_struct, thread.fpu.fpr[9]);
offset("#define THREAD_FPR10 ",
struct task_struct, thread.fpu.hard.fpr[10]);
struct task_struct, thread.fpu.fpr[10]);
offset("#define THREAD_FPR11 ",
struct task_struct, thread.fpu.hard.fpr[11]);
struct task_struct, thread.fpu.fpr[11]);
offset("#define THREAD_FPR12 ",
struct task_struct, thread.fpu.hard.fpr[12]);
struct task_struct, thread.fpu.fpr[12]);
offset("#define THREAD_FPR13 ",
struct task_struct, thread.fpu.hard.fpr[13]);
struct task_struct, thread.fpu.fpr[13]);
offset("#define THREAD_FPR14 ",
struct task_struct, thread.fpu.hard.fpr[14]);
struct task_struct, thread.fpu.fpr[14]);
offset("#define THREAD_FPR15 ",
struct task_struct, thread.fpu.hard.fpr[15]);
struct task_struct, thread.fpu.fpr[15]);
offset("#define THREAD_FPR16 ",
struct task_struct, thread.fpu.hard.fpr[16]);
struct task_struct, thread.fpu.fpr[16]);
offset("#define THREAD_FPR17 ",
struct task_struct, thread.fpu.hard.fpr[17]);
struct task_struct, thread.fpu.fpr[17]);
offset("#define THREAD_FPR18 ",
struct task_struct, thread.fpu.hard.fpr[18]);
struct task_struct, thread.fpu.fpr[18]);
offset("#define THREAD_FPR19 ",
struct task_struct, thread.fpu.hard.fpr[19]);
struct task_struct, thread.fpu.fpr[19]);
offset("#define THREAD_FPR20 ",
struct task_struct, thread.fpu.hard.fpr[20]);
struct task_struct, thread.fpu.fpr[20]);
offset("#define THREAD_FPR21 ",
struct task_struct, thread.fpu.hard.fpr[21]);
struct task_struct, thread.fpu.fpr[21]);
offset("#define THREAD_FPR22 ",
struct task_struct, thread.fpu.hard.fpr[22]);
struct task_struct, thread.fpu.fpr[22]);
offset("#define THREAD_FPR23 ",
struct task_struct, thread.fpu.hard.fpr[23]);
struct task_struct, thread.fpu.fpr[23]);
offset("#define THREAD_FPR24 ",
struct task_struct, thread.fpu.hard.fpr[24]);
struct task_struct, thread.fpu.fpr[24]);
offset("#define THREAD_FPR25 ",
struct task_struct, thread.fpu.hard.fpr[25]);
struct task_struct, thread.fpu.fpr[25]);
offset("#define THREAD_FPR26 ",
struct task_struct, thread.fpu.hard.fpr[26]);
struct task_struct, thread.fpu.fpr[26]);
offset("#define THREAD_FPR27 ",
struct task_struct, thread.fpu.hard.fpr[27]);
struct task_struct, thread.fpu.fpr[27]);
offset("#define THREAD_FPR28 ",
struct task_struct, thread.fpu.hard.fpr[28]);
struct task_struct, thread.fpu.fpr[28]);
offset("#define THREAD_FPR29 ",
struct task_struct, thread.fpu.hard.fpr[29]);
struct task_struct, thread.fpu.fpr[29]);
offset("#define THREAD_FPR30 ",
struct task_struct, thread.fpu.hard.fpr[30]);
struct task_struct, thread.fpu.fpr[30]);
offset("#define THREAD_FPR31 ",
struct task_struct, thread.fpu.hard.fpr[31]);
struct task_struct, thread.fpu.fpr[31]);

offset("#define THREAD_FCR31 ",
struct task_struct, thread.fpu.hard.fcr31);
struct task_struct, thread.fpu.fcr31);
linefeed;
}

Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/mips/kernel/branch.c
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Original file line number Diff line number Diff line change
Expand Up @@ -178,7 +178,7 @@ int __compute_return_epc(struct pt_regs *regs)
if (is_fpu_owner())
asm volatile("cfc1\t%0,$31" : "=r" (fcr31));
else
fcr31 = current->thread.fpu.hard.fcr31;
fcr31 = current->thread.fpu.fcr31;
preempt_enable();

bit = (insn.i_format.rt >> 2);
Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/mips/kernel/irixsig.c
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Original file line number Diff line number Diff line change
Expand Up @@ -260,7 +260,7 @@ irix_sigreturn(struct pt_regs *regs)

for(i = 0; i < 32; i++)
error |= __get_user(fregs[i], &context->fpregs[i]);
error |= __get_user(current->thread.fpu.hard.fcr31, &context->fpcsr);
error |= __get_user(current->thread.fpu.fcr31, &context->fpcsr);
}

/* XXX do sigstack crapola here... XXX */
Expand Down
26 changes: 8 additions & 18 deletions trunk/arch/mips/kernel/ptrace.c
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Original file line number Diff line number Diff line change
Expand Up @@ -120,11 +120,11 @@ int ptrace_getfpregs (struct task_struct *child, __u32 __user *data)
__put_user ((__u64) -1, i + (__u64 __user *) data);
}

__put_user (child->thread.fpu.fcr31, data + 64);

if (cpu_has_fpu) {
unsigned int flags, tmp;

__put_user (child->thread.fpu.hard.fcr31, data + 64);

preempt_disable();
if (cpu_has_mipsmt) {
unsigned int vpflags = dvpe();
Expand All @@ -142,7 +142,6 @@ int ptrace_getfpregs (struct task_struct *child, __u32 __user *data)
preempt_enable();
__put_user (tmp, data + 65);
} else {
__put_user (child->thread.fpu.soft.fcr31, data + 64);
__put_user ((__u32) 0, data + 65);
}

Expand All @@ -162,10 +161,7 @@ int ptrace_setfpregs (struct task_struct *child, __u32 __user *data)
for (i = 0; i < 32; i++)
__get_user (fregs[i], i + (__u64 __user *) data);

if (cpu_has_fpu)
__get_user (child->thread.fpu.hard.fcr31, data + 64);
else
__get_user (child->thread.fpu.soft.fcr31, data + 64);
__get_user (child->thread.fpu.fcr31, data + 64);

/* FIR may not be written. */

Expand Down Expand Up @@ -241,10 +237,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
tmp = regs->lo;
break;
case FPC_CSR:
if (cpu_has_fpu)
tmp = child->thread.fpu.hard.fcr31;
else
tmp = child->thread.fpu.soft.fcr31;
tmp = child->thread.fpu.fcr31;
break;
case FPC_EIR: { /* implementation / version register */
unsigned int flags;
Expand Down Expand Up @@ -336,9 +329,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)

if (!tsk_used_math(child)) {
/* FP not yet used */
memset(&child->thread.fpu.hard, ~0,
sizeof(child->thread.fpu.hard));
child->thread.fpu.hard.fcr31 = 0;
memset(&child->thread.fpu, ~0,
sizeof(child->thread.fpu));
child->thread.fpu.fcr31 = 0;
}
#ifdef CONFIG_32BIT
/*
Expand Down Expand Up @@ -369,10 +362,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
regs->lo = data;
break;
case FPC_CSR:
if (cpu_has_fpu)
child->thread.fpu.hard.fcr31 = data;
else
child->thread.fpu.soft.fcr31 = data;
child->thread.fpu.fcr31 = data;
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
Expand Down
16 changes: 5 additions & 11 deletions trunk/arch/mips/kernel/ptrace32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -166,10 +166,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
tmp = regs->lo;
break;
case FPC_CSR:
if (cpu_has_fpu)
tmp = child->thread.fpu.hard.fcr31;
else
tmp = child->thread.fpu.soft.fcr31;
tmp = child->thread.fpu.fcr31;
break;
case FPC_EIR: { /* implementation / version register */
unsigned int flags;
Expand Down Expand Up @@ -288,9 +285,9 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)

if (!tsk_used_math(child)) {
/* FP not yet used */
memset(&child->thread.fpu.hard, ~0,
sizeof(child->thread.fpu.hard));
child->thread.fpu.hard.fcr31 = 0;
memset(&child->thread.fpu, ~0,
sizeof(child->thread.fpu));
child->thread.fpu.fcr31 = 0;
}
/*
* The odd registers are actually the high order bits
Expand Down Expand Up @@ -318,10 +315,7 @@ asmlinkage int sys32_ptrace(int request, int pid, int addr, int data)
regs->lo = data;
break;
case FPC_CSR:
if (cpu_has_fpu)
child->thread.fpu.hard.fcr31 = data;
else
child->thread.fpu.soft.fcr31 = data;
child->thread.fpu.fcr31 = data;
break;
case DSP_BASE ... DSP_BASE + 5: {
dspreg_t *dregs;
Expand Down
9 changes: 4 additions & 5 deletions trunk/arch/mips/kernel/traps.c
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Original file line number Diff line number Diff line change
Expand Up @@ -65,7 +65,7 @@ extern asmlinkage void handle_mcheck(void);
extern asmlinkage void handle_reserved(void);

extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
struct mips_fpu_soft_struct *ctx);
struct mips_fpu_struct *ctx);

void (*board_be_init)(void);
int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
Expand Down Expand Up @@ -600,8 +600,7 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31)
preempt_enable();

/* Run the emulator */
sig = fpu_emulator_cop1Handler (regs,
&current->thread.fpu.soft);
sig = fpu_emulator_cop1Handler (regs, &current->thread.fpu);

preempt_disable();

Expand All @@ -610,7 +609,7 @@ asmlinkage void do_fpe(struct pt_regs *regs, unsigned long fcr31)
* We can't allow the emulated instruction to leave any of
* the cause bit set in $fcr31.
*/
current->thread.fpu.soft.fcr31 &= ~FPU_CSR_ALL_X;
current->thread.fpu.fcr31 &= ~FPU_CSR_ALL_X;

/* Restore the hardware register state */
restore_fp(current);
Expand Down Expand Up @@ -755,7 +754,7 @@ asmlinkage void do_cpu(struct pt_regs *regs)

if (!cpu_has_fpu) {
int sig = fpu_emulator_cop1Handler(regs,
&current->thread.fpu.soft);
&current->thread.fpu);
if (sig)
force_sig(sig, current);
#ifdef CONFIG_MIPS_MT_FPAFF
Expand Down
15 changes: 7 additions & 8 deletions trunk/arch/mips/math-emu/cp1emu.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -60,15 +60,15 @@

/* Function which emulates a floating point instruction. */

static int fpu_emu(struct pt_regs *, struct mips_fpu_soft_struct *,
static int fpu_emu(struct pt_regs *, struct mips_fpu_struct *,
mips_instruction);

#if __mips >= 4 && __mips != 32
static int fpux_emu(struct pt_regs *,
struct mips_fpu_soft_struct *, mips_instruction);
struct mips_fpu_struct *, mips_instruction);
#endif

/* Further private data for which no space exists in mips_fpu_soft_struct */
/* Further private data for which no space exists in mips_fpu_struct */

struct mips_fpu_emulator_stats fpuemustats;

Expand Down Expand Up @@ -203,7 +203,7 @@ static int isBranchInstr(mips_instruction * i)
* Two instructions if the instruction is in a branch delay slot.
*/

static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_soft_struct *ctx)
static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
{
mips_instruction ir;
void * emulpc, *contpc;
Expand Down Expand Up @@ -595,7 +595,7 @@ DEF3OP(msub, dp, ieee754dp_mul, ieee754dp_sub,);
DEF3OP(nmadd, dp, ieee754dp_mul, ieee754dp_add, ieee754dp_neg);
DEF3OP(nmsub, dp, ieee754dp_mul, ieee754dp_sub, ieee754dp_neg);

static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_soft_struct *ctx,
static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
mips_instruction ir)
{
unsigned rcsr = 0; /* resulting csr */
Expand Down Expand Up @@ -759,7 +759,7 @@ static int fpux_emu(struct pt_regs *xcp, struct mips_fpu_soft_struct *ctx,
/*
* Emulate a single COP1 arithmetic instruction.
*/
static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_soft_struct *ctx,
static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
mips_instruction ir)
{
int rfmt; /* resulting format */
Expand Down Expand Up @@ -1233,8 +1233,7 @@ static int fpu_emu(struct pt_regs *xcp, struct mips_fpu_soft_struct *ctx,
return 0;
}

int fpu_emulator_cop1Handler(struct pt_regs *xcp,
struct mips_fpu_soft_struct *ctx)
int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx)
{
unsigned long oldepc, prevepc;
mips_instruction insn;
Expand Down
2 changes: 1 addition & 1 deletion trunk/arch/mips/math-emu/ieee754.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -329,7 +329,7 @@ struct _ieee754_csr {
unsigned pad0:7;
#endif
};
#define ieee754_csr (*(struct _ieee754_csr *)(&current->thread.fpu.soft.fcr31))
#define ieee754_csr (*(struct _ieee754_csr *)(&current->thread.fpu.fcr31))

static inline unsigned ieee754_getrm(void)
{
Expand Down
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