404

[ Avaa Bypassed ]




Upload:

Command:

botdev@18.189.141.141: ~ $
/*
 * Copyright (C) 2004 Paul Mackerras <paulus@au.ibm.com>, IBM
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

struct pt_regs;

/*
 * We don't allow single-stepping an mtmsrd that would clear
 * MSR_RI, since that would make the exception unrecoverable.
 * Since we need to single-step to proceed from a breakpoint,
 * we don't allow putting a breakpoint on an mtmsrd instruction.
 * Similarly we don't allow breakpoints on rfid instructions.
 * These macros tell us if an instruction is a mtmsrd or rfid.
 * Note that IS_MTMSRD returns true for both an mtmsr (32-bit)
 * and an mtmsrd (64-bit).
 */
#define IS_MTMSRD(instr)	(((instr) & 0xfc0007be) == 0x7c000124)
#define IS_RFID(instr)		(((instr) & 0xfc0007fe) == 0x4c000024)
#define IS_RFI(instr)		(((instr) & 0xfc0007fe) == 0x4c000064)

enum instruction_type {
	COMPUTE,		/* arith/logical/CR op, etc. */
	LOAD,			/* load and store types need to be contiguous */
	LOAD_MULTI,
	LOAD_FP,
	LOAD_VMX,
	LOAD_VSX,
	STORE,
	STORE_MULTI,
	STORE_FP,
	STORE_VMX,
	STORE_VSX,
	LARX,
	STCX,
	BRANCH,
	MFSPR,
	MTSPR,
	CACHEOP,
	BARRIER,
	SYSCALL,
	MFMSR,
	MTMSR,
	RFI,
	INTERRUPT,
	UNKNOWN
};

#define INSTR_TYPE_MASK	0x1f

#define OP_IS_LOAD_STORE(type)	(LOAD <= (type) && (type) <= STCX)

/* Compute flags, ORed in with type */
#define SETREG		0x20
#define SETCC		0x40
#define SETXER		0x80

/* Branch flags, ORed in with type */
#define SETLK		0x20
#define BRTAKEN		0x40
#define DECCTR		0x80

/* Load/store flags, ORed in with type */
#define SIGNEXT		0x20
#define UPDATE		0x40	/* matches bit in opcode 31 instructions */
#define BYTEREV		0x80
#define FPCONV		0x100

/* Barrier type field, ORed in with type */
#define BARRIER_MASK	0xe0
#define BARRIER_SYNC	0x00
#define BARRIER_ISYNC	0x20
#define BARRIER_EIEIO	0x40
#define BARRIER_LWSYNC	0x60
#define BARRIER_PTESYNC	0x80

/* Cacheop values, ORed in with type */
#define CACHEOP_MASK	0x700
#define DCBST		0
#define DCBF		0x100
#define DCBTST		0x200
#define DCBT		0x300
#define ICBI		0x400
#define DCBZ		0x500

/* VSX flags values */
#define VSX_FPCONV	1	/* do floating point SP/DP conversion */
#define VSX_SPLAT	2	/* store loaded value into all elements */
#define VSX_LDLEFT	4	/* load VSX register from left */
#define VSX_CHECK_VEC	8	/* check MSR_VEC not MSR_VSX for reg >= 32 */

/* Size field in type word */
#define SIZE(n)		((n) << 12)
#define GETSIZE(w)	((w) >> 12)

#define MKOP(t, f, s)	((t) | (f) | SIZE(s))

struct instruction_op {
	int type;
	int reg;
	unsigned long val;
	/* For LOAD/STORE/LARX/STCX */
	unsigned long ea;
	int update_reg;
	/* For MFSPR */
	int spr;
	u32 ccval;
	u32 xerval;
	u8 element_size;	/* for VSX/VMX loads/stores */
	u8 vsx_flags;
};

union vsx_reg {
	u8	b[16];
	u16	h[8];
	u32	w[4];
	unsigned long d[2];
	float	fp[4];
	double	dp[2];
	__vector128 v;
};

/*
 * Decode an instruction, and return information about it in *op
 * without changing *regs.
 *
 * Return value is 1 if the instruction can be emulated just by
 * updating *regs with the information in *op, -1 if we need the
 * GPRs but *regs doesn't contain the full register set, or 0
 * otherwise.
 */
extern int analyse_instr(struct instruction_op *op, const struct pt_regs *regs,
			 unsigned int instr);

/*
 * Emulate an instruction that can be executed just by updating
 * fields in *regs.
 */
void emulate_update_regs(struct pt_regs *reg, struct instruction_op *op);

/*
 * Emulate instructions that cause a transfer of control,
 * arithmetic/logical instructions, loads and stores,
 * cache operations and barriers.
 *
 * Returns 1 if the instruction was emulated successfully,
 * 0 if it could not be emulated, or -1 for an instruction that
 * should not be emulated (rfid, mtmsrd clearing MSR_RI, etc.).
 */
extern int emulate_step(struct pt_regs *regs, unsigned int instr);

/*
 * Emulate a load or store instruction by reading/writing the
 * memory of the current process.  FP/VMX/VSX registers are assumed
 * to hold live values if the appropriate enable bit in regs->msr is
 * set; otherwise this will use the saved values in the thread struct
 * for user-mode accesses.
 */
extern int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op);

extern void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg,
			     const void *mem, bool cross_endian);
extern void emulate_vsx_store(struct instruction_op *op,
			      const union vsx_reg *reg, void *mem,
			      bool cross_endian);
extern int emulate_dcbz(unsigned long ea, struct pt_regs *regs);

Filemanager

Name Type Size Permission Actions
book3s Folder 0755
nohash Folder 0755
8xx_immap.h File 13.77 KB 0644
Kbuild File 248 B 0644
accounting.h File 1 KB 0644
agp.h File 525 B 0644
archrandom.h File 1016 B 0644
asm-compat.h File 2.53 KB 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 4.78 KB 0644
async_tx.h File 1.64 KB 0644
atomic.h File 13.57 KB 0644
backlight.h File 1.09 KB 0644
barrier.h File 3.57 KB 0644
bitops.h File 7.8 KB 0644
bootx.h File 1.12 KB 0644
btext.h File 926 B 0644
bug.h File 3.55 KB 0644
bugs.h File 486 B 0644
cache.h File 2.47 KB 0644
cacheflush.h File 3.76 KB 0644
cell-pmu.h File 4.04 KB 0644
cell-regs.h File 9.57 KB 0644
checksum.h File 5.85 KB 0644
cmpxchg.h File 12.16 KB 0644
code-patching-asm.h File 397 B 0644
code-patching.h File 5.01 KB 0644
compat.h File 6.26 KB 0644
context_tracking.h File 245 B 0644
copro.h File 769 B 0644
cpm.h File 5.09 KB 0644
cpm1.h File 21.08 KB 0644
cpm2.h File 48.43 KB 0644
cpu_has_feature.h File 1.31 KB 0644
cpufeature.h File 1.18 KB 0644
cpuidle.h File 3.31 KB 0644
cputable.h File 22.56 KB 0644
cputhreads.h File 2.92 KB 0644
cputime.h File 1.59 KB 0644
current.h File 835 B 0644
dbdma.h File 3.72 KB 0644
dbell.h File 2.78 KB 0644
dcr-generic.h File 1.58 KB 0644
dcr-mmio.h File 1.68 KB 0644
dcr-native.h File 4.42 KB 0644
dcr-regs.h File 5.71 KB 0644
dcr.h File 2.73 KB 0644
debug.h File 1.97 KB 0644
debugfs.h File 489 B 0644
delay.h File 3.42 KB 0644
device.h File 1.1 KB 0644
disassemble.h File 2.73 KB 0644
dma-mapping.h File 4.12 KB 0644
dma.h File 10.51 KB 0644
dt_cpu_ftrs.h File 816 B 0644
edac.h File 1.08 KB 0644
eeh.h File 14.44 KB 0644
eeh_event.h File 1.36 KB 0644
ehv_pic.h File 963 B 0644
elf.h File 6.29 KB 0644
emergency-restart.h File 43 B 0644
emulated_ops.h File 2.58 KB 0644
epapr_hcalls.h File 16.44 KB 0644
exception-64e.h File 7.21 KB 0644
exception-64s.h File 22.72 KB 0644
exec.h File 246 B 0644
extable.h File 904 B 0644
fadump.h File 6.1 KB 0644
fb.h File 483 B 0644
feature-fixups.h File 8.76 KB 0644
firmware.h File 4.71 KB 0644
fixmap.h File 2.33 KB 0644
floppy.h File 4.86 KB 0644
fs_pd.h File 1.02 KB 0644
fsl_85xx_cache_sram.h File 1.43 KB 0644
fsl_gtm.h File 1.38 KB 0644
fsl_hcalls.h File 17.2 KB 0644
fsl_lbc.h File 10.9 KB 0644
fsl_pamu_stash.h File 1.1 KB 0644
fsl_pm.h File 1.36 KB 0644
ftrace.h File 2.1 KB 0644
futex.h File 2.4 KB 0644
grackle.h File 331 B 0644
hardirq.h File 1.15 KB 0644
head-64.h File 13.86 KB 0644
heathrow.h File 2.53 KB 0644
highmem.h File 2.41 KB 0644
hmi.h File 1.49 KB 0644
hugetlb.h File 4.73 KB 0644
hvcall.h File 15.35 KB 0644
hvconsole.h File 1.37 KB 0644
hvcserver.h File 2.09 KB 0644
hvsi.h File 2.78 KB 0644
hw_breakpoint.h File 3.07 KB 0644
hw_irq.h File 5.24 KB 0644
hydra.h File 2.91 KB 0644
i8259.h File 361 B 0644
ibmebus.h File 2.15 KB 0644
icswx.h File 4.71 KB 0644
ide.h File 586 B 0644
ima.h File 772 B 0644
imc-pmu.h File 2.87 KB 0644
immap_cpm2.h File 10.5 KB 0644
io-defs.h File 3.09 KB 0644
io-workarounds.h File 1.54 KB 0644
io.h File 28.02 KB 0644
io_event_irq.h File 1.91 KB 0644
iommu.h File 10.16 KB 0644
ipic.h File 3.51 KB 0644
irq.h File 1.83 KB 0644
irq_work.h File 252 B 0644
irqflags.h File 1.7 KB 0644
isa-bridge.h File 654 B 0644
jump_label.h File 1.62 KB 0644
kdebug.h File 291 B 0644
kdump.h File 1.37 KB 0644
kexec.h File 4.02 KB 0644
keylargo.h File 10.8 KB 0644
kgdb.h File 2.06 KB 0644
kmap_types.h File 434 B 0644
kprobes.h File 3.75 KB 0644
kup.h File 1021 B 0644
kvm_asm.h File 5.46 KB 0644
kvm_book3s.h File 12.06 KB 0644
kvm_book3s_32.h File 1.39 KB 0644
kvm_book3s_64.h File 12.62 KB 0644
kvm_book3s_asm.h File 4.4 KB 0644
kvm_booke.h File 2.68 KB 0644
kvm_booke_hv_asm.h File 2.03 KB 0644
kvm_fpu.h File 2.74 KB 0644
kvm_host.h File 19.92 KB 0644
kvm_para.h File 1.49 KB 0644
kvm_ppc.h File 34.83 KB 0644
libata-portmap.h File 249 B 0644
linkage.h File 501 B 0644
livepatch.h File 1.65 KB 0644
local.h File 3.79 KB 0644
lppaca.h File 5.02 KB 0644
lv1call.h File 18.74 KB 0644
machdep.h File 9.7 KB 0644
macio.h File 3.89 KB 0644
mc146818rtc.h File 943 B 0644
mce.h File 5.58 KB 0644
mediabay.h File 1.34 KB 0644
mm-arch-hooks.h File 839 B 0644
mman.h File 1.33 KB 0644
mmu-40x.h File 1.94 KB 0644
mmu-44x.h File 5.56 KB 0644
mmu-8xx.h File 8.6 KB 0644
mmu-book3e.h File 9.47 KB 0644
mmu.h File 9.2 KB 0644
mmu_context.h File 6.26 KB 0644
mmzone.h File 1.08 KB 0644
module.h File 2.47 KB 0644
mpc5121.h File 3.82 KB 0644
mpc52xx.h File 10.85 KB 0644
mpc52xx_psc.h File 9.89 KB 0644
mpc5xxx.h File 641 B 0644
mpc6xx.h File 143 B 0644
mpc8260.h File 742 B 0644
mpc85xx.h File 2.52 KB 0644
mpic.h File 13.97 KB 0644
mpic_msgr.h File 3.52 KB 0644
mpic_timer.h File 1.39 KB 0644
msi_bitmap.h File 1.01 KB 0644
nmi.h File 238 B 0644
nvram.h File 3.21 KB 0644
ohare.h File 1.64 KB 0644
opal-api.h File 29.34 KB 0644
opal.h File 16.53 KB 0644
oprofile_impl.h File 3 KB 0644
paca.h File 8.06 KB 0644
page.h File 10.65 KB 0644
page_32.h File 1.57 KB 0644
page_64.h File 2.93 KB 0644
parport.h File 956 B 0644
pasemi_dma.h File 23.32 KB 0644
pci-bridge.h File 9.21 KB 0644
pci.h File 4.58 KB 0644
percpu.h File 468 B 0644
perf_event.h File 1.23 KB 0644
perf_event_fsl_emb.h File 1.42 KB 0644
perf_event_server.h File 6.3 KB 0644
pgalloc.h File 620 B 0644
pgtable-be-types.h File 2.76 KB 0644
pgtable-types.h File 1.94 KB 0644
pgtable.h File 2.45 KB 0644
plpar_wrappers.h File 8.35 KB 0644
pmac_feature.h File 13.08 KB 0644
pmac_low_i2c.h File 3.24 KB 0644
pmac_pfunc.h File 8.01 KB 0644
pmc.h File 1.35 KB 0644
pmi.h File 1.77 KB 0644
pnv-ocxl.h File 1.4 KB 0644
pnv-pci.h File 3.22 KB 0644
powernv.h File 1.57 KB 0644
ppc-opcode.h File 19.05 KB 0644
ppc-pci.h File 2.69 KB 0644
ppc4xx.h File 530 B 0644
ppc4xx_ocm.h File 1.41 KB 0644
ppc_asm.h File 21.63 KB 0644
probes.h File 2.11 KB 0644
processor.h File 15 KB 0644
prom.h File 7.17 KB 0644
ps3.h File 15.44 KB 0644
ps3av.h File 23.49 KB 0644
ps3gpu.h File 2.44 KB 0644
ps3stor.h File 1.99 KB 0644
pte-common.h File 6.27 KB 0644
pte-walk.h File 1.11 KB 0644
ptrace.h File 7.14 KB 0644
reg.h File 61.61 KB 0644
reg_8xx.h File 4.96 KB 0644
reg_a2.h File 6.16 KB 0644
reg_booke.h File 36.17 KB 0644
reg_fsl_emb.h File 3.65 KB 0644
rheap.h File 2.43 KB 0644
rio.h File 637 B 0644
rtas.h File 14.67 KB 0644
runlatch.h File 1.16 KB 0644
scom.h File 4.92 KB 0644
seccomp.h File 249 B 0644
sections.h File 1.9 KB 0644
security_features.h File 3.03 KB 0644
serial.h File 677 B 0644
setjmp.h File 630 B 0644
setup.h File 2.44 KB 0644
sfp-machine.h File 12.38 KB 0644
shmparam.h File 206 B 0644
signal.h File 225 B 0644
slice.h File 1.12 KB 0644
smp.h File 6.13 KB 0644
smu.h File 19.33 KB 0644
sparsemem.h File 1.1 KB 0644
spinlock.h File 7.04 KB 0644
spinlock_types.h File 424 B 0644
spu.h File 25.28 KB 0644
spu_csa.h File 6.64 KB 0644
spu_info.h File 908 B 0644
spu_priv1.h File 5.68 KB 0644
sstep.h File 4.58 KB 0644
string.h File 1.74 KB 0644
swab.h File 377 B 0644
swiotlb.h File 810 B 0644
switch_to.h File 2.66 KB 0644
synch.h File 1.36 KB 0644
syscall.h File 2.8 KB 0644
syscalls.h File 684 B 0644
systbl.h File 9.28 KB 0644
tce.h File 1.72 KB 0644
termios.h File 860 B 0644
thread_info.h File 5.31 KB 0644
time.h File 4.82 KB 0644
timex.h File 967 B 0644
tlb.h File 2.47 KB 0644
tlbflush.h File 2.93 KB 0644
tm.h File 690 B 0644
topology.h File 2.92 KB 0644
trace.h File 4.17 KB 0644
trace_clock.h File 517 B 0644
tsi108.h File 3.39 KB 0644
tsi108_irq.h File 4.48 KB 0644
tsi108_pci.h File 1.82 KB 0644
types.h File 1 KB 0644
uaccess.h File 13.21 KB 0644
udbg.h File 2.16 KB 0644
uic.h File 616 B 0644
unaligned.h File 548 B 0644
uninorth.h File 8.21 KB 0644
unistd.h File 1.52 KB 0644
uprobes.h File 1.41 KB 0644
user.h File 2.14 KB 0644
vas.h File 4.61 KB 0644
vdso.h File 1.53 KB 0644
vdso_datapage.h File 4.4 KB 0644
vga.h File 1.24 KB 0644
vio.h File 4.79 KB 0644
word-at-a-time.h File 4.75 KB 0644
xics.h File 4.31 KB 0644
xilinx_intc.h File 598 B 0644
xilinx_pci.h File 551 B 0644
xive-regs.h File 3.73 KB 0644
xive.h File 5.35 KB 0644
xmon.h File 927 B 0644
xor.h File 2.11 KB 0644