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yaml
---
r: 182142
b: refs/heads/master
c: 81fc017
h: refs/heads/master
v: v3
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David VomLehn authored and Ralf Baechle committed Feb 27, 2010
1 parent 6f979f6 commit 074fe09
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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: 3b439470e360931ad65234f94aa92cd7362f635a
refs/heads/master: 81fc0179541dd52763cf62a52f0c09a05bcc6439
102 changes: 49 additions & 53 deletions trunk/arch/mips/powertv/powertv_setup.c
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Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,15 @@
#include <linux/etherdevice.h>
#include <linux/if_ether.h>
#include <linux/ctype.h>

#include <linux/cpu.h>
#include <linux/time.h>

#include <asm/bootinfo.h>
#include <asm/irq.h>
#include <asm/mips-boards/generic.h>
#include <asm/mips-boards/prom.h>
#include <asm/dma.h>
#include <linux/time.h>
#include <asm/asm.h>
#include <asm/traps.h>
#include <asm/asm-offsets.h>
#include "reset.h"
Expand All @@ -41,26 +42,21 @@

/*
* Macros for loading addresses and storing registers:
* PTR_LA Load the address into a register
* LONG_S Store the full width of the given register.
* LONG_L Load the full width of the given register
* PTR_ADDIU Add a constant value to a register used as a pointer
* LONG_L_ Stringified version of LONG_L for use in asm() statement
* LONG_S_ Stringified version of LONG_S for use in asm() statement
* PTR_LA_ Stringified version of PTR_LA for use in asm() statement
* REG_SIZE Number of 8-bit bytes in a full width register
*/
#define LONG_L_ VAL(LONG_L) " "
#define LONG_S_ VAL(LONG_S) " "
#define PTR_LA_ VAL(PTR_LA) " "

#ifdef CONFIG_64BIT
#warning TODO: 64-bit code needs to be verified
#define PTR_LA "dla "
#define LONG_S "sd "
#define LONG_L "ld "
#define PTR_ADDIU "daddiu "
#define REG_SIZE "8" /* In bytes */
#endif

#ifdef CONFIG_32BIT
#define PTR_LA "la "
#define LONG_S "sw "
#define LONG_L "lw "
#define PTR_ADDIU "addiu "
#define REG_SIZE "4" /* In bytes */
#endif

Expand Down Expand Up @@ -113,9 +109,9 @@ static int panic_handler(struct notifier_block *notifier_block,
* structure. */
__asm__ __volatile__ (
".set noat\n"
LONG_S "$at, %[at]\n"
LONG_S "$2, %[v0]\n"
LONG_S "$3, %[v1]\n"
LONG_S_ "$at, %[at]\n"
LONG_S_ "$2, %[v0]\n"
LONG_S_ "$3, %[v1]\n"
:
[at] "=m" (at),
[v0] "=m" (v0),
Expand All @@ -129,54 +125,54 @@ static int panic_handler(struct notifier_block *notifier_block,
"move $at, %[pt_regs]\n"

/* Argument registers */
LONG_S "$4, " VAL(PT_R4) "($at)\n"
LONG_S "$5, " VAL(PT_R5) "($at)\n"
LONG_S "$6, " VAL(PT_R6) "($at)\n"
LONG_S "$7, " VAL(PT_R7) "($at)\n"
LONG_S_ "$4, " VAL(PT_R4) "($at)\n"
LONG_S_ "$5, " VAL(PT_R5) "($at)\n"
LONG_S_ "$6, " VAL(PT_R6) "($at)\n"
LONG_S_ "$7, " VAL(PT_R7) "($at)\n"

/* Temporary regs */
LONG_S "$8, " VAL(PT_R8) "($at)\n"
LONG_S "$9, " VAL(PT_R9) "($at)\n"
LONG_S "$10, " VAL(PT_R10) "($at)\n"
LONG_S "$11, " VAL(PT_R11) "($at)\n"
LONG_S "$12, " VAL(PT_R12) "($at)\n"
LONG_S "$13, " VAL(PT_R13) "($at)\n"
LONG_S "$14, " VAL(PT_R14) "($at)\n"
LONG_S "$15, " VAL(PT_R15) "($at)\n"
LONG_S_ "$8, " VAL(PT_R8) "($at)\n"
LONG_S_ "$9, " VAL(PT_R9) "($at)\n"
LONG_S_ "$10, " VAL(PT_R10) "($at)\n"
LONG_S_ "$11, " VAL(PT_R11) "($at)\n"
LONG_S_ "$12, " VAL(PT_R12) "($at)\n"
LONG_S_ "$13, " VAL(PT_R13) "($at)\n"
LONG_S_ "$14, " VAL(PT_R14) "($at)\n"
LONG_S_ "$15, " VAL(PT_R15) "($at)\n"

/* "Saved" registers */
LONG_S "$16, " VAL(PT_R16) "($at)\n"
LONG_S "$17, " VAL(PT_R17) "($at)\n"
LONG_S "$18, " VAL(PT_R18) "($at)\n"
LONG_S "$19, " VAL(PT_R19) "($at)\n"
LONG_S "$20, " VAL(PT_R20) "($at)\n"
LONG_S "$21, " VAL(PT_R21) "($at)\n"
LONG_S "$22, " VAL(PT_R22) "($at)\n"
LONG_S "$23, " VAL(PT_R23) "($at)\n"
LONG_S_ "$16, " VAL(PT_R16) "($at)\n"
LONG_S_ "$17, " VAL(PT_R17) "($at)\n"
LONG_S_ "$18, " VAL(PT_R18) "($at)\n"
LONG_S_ "$19, " VAL(PT_R19) "($at)\n"
LONG_S_ "$20, " VAL(PT_R20) "($at)\n"
LONG_S_ "$21, " VAL(PT_R21) "($at)\n"
LONG_S_ "$22, " VAL(PT_R22) "($at)\n"
LONG_S_ "$23, " VAL(PT_R23) "($at)\n"

/* Add'l temp regs */
LONG_S "$24, " VAL(PT_R24) "($at)\n"
LONG_S "$25, " VAL(PT_R25) "($at)\n"
LONG_S_ "$24, " VAL(PT_R24) "($at)\n"
LONG_S_ "$25, " VAL(PT_R25) "($at)\n"

/* Kernel temp regs */
LONG_S "$26, " VAL(PT_R26) "($at)\n"
LONG_S "$27, " VAL(PT_R27) "($at)\n"
LONG_S_ "$26, " VAL(PT_R26) "($at)\n"
LONG_S_ "$27, " VAL(PT_R27) "($at)\n"

/* Global pointer, stack pointer, frame pointer and
* return address */
LONG_S "$gp, " VAL(PT_R28) "($at)\n"
LONG_S "$sp, " VAL(PT_R29) "($at)\n"
LONG_S "$fp, " VAL(PT_R30) "($at)\n"
LONG_S "$ra, " VAL(PT_R31) "($at)\n"
LONG_S_ "$gp, " VAL(PT_R28) "($at)\n"
LONG_S_ "$sp, " VAL(PT_R29) "($at)\n"
LONG_S_ "$fp, " VAL(PT_R30) "($at)\n"
LONG_S_ "$ra, " VAL(PT_R31) "($at)\n"

/* Now we can get the $at and v0 registers back and
* store them */
LONG_L "$8, %[at]\n"
LONG_S "$8, " VAL(PT_R1) "($at)\n"
LONG_L "$8, %[v0]\n"
LONG_S "$8, " VAL(PT_R2) "($at)\n"
LONG_L "$8, %[v1]\n"
LONG_S "$8, " VAL(PT_R3) "($at)\n"
LONG_L_ "$8, %[at]\n"
LONG_S_ "$8, " VAL(PT_R1) "($at)\n"
LONG_L_ "$8, %[v0]\n"
LONG_S_ "$8, " VAL(PT_R2) "($at)\n"
LONG_L_ "$8, %[v1]\n"
LONG_S_ "$8, " VAL(PT_R3) "($at)\n"
:
:
[at] "m" (at),
Expand All @@ -191,8 +187,8 @@ static int panic_handler(struct notifier_block *notifier_block,
__asm__ __volatile__ (
".set noat\n"
"1:\n"
PTR_LA "$at, 1b\n"
LONG_S "$at, %[cp0_epc]\n"
PTR_LA_ "$at, 1b\n"
LONG_S_ "$at, %[cp0_epc]\n"
:
[cp0_epc] "=m" (my_regs.cp0_epc)
:
Expand Down

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