diff options
author | Ralf Baechle <ralf@linux-mips.org> | 2000-01-27 01:05:20 +0000 |
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committer | Ralf Baechle <ralf@linux-mips.org> | 2000-01-27 01:05:20 +0000 |
commit | 546db14ee74118296f425f3b91634fb767d67290 (patch) | |
tree | 22b613a3da8d4bf663eec5e155af01b87fdf9094 /arch/arm/nwfpe/fpmodule.inl | |
parent | 1e25e41c4f5474e14452094492dbc169b800e4c8 (diff) |
Merge with Linux 2.3.23. The new bootmem stuff has broken various
platforms. At this time I've only verified that IP22 support compiles
and IP27 actually works.
Diffstat (limited to 'arch/arm/nwfpe/fpmodule.inl')
-rw-r--r-- | arch/arm/nwfpe/fpmodule.inl | 78 |
1 files changed, 37 insertions, 41 deletions
diff --git a/arch/arm/nwfpe/fpmodule.inl b/arch/arm/nwfpe/fpmodule.inl index c76b7fd55..127b24218 100644 --- a/arch/arm/nwfpe/fpmodule.inl +++ b/arch/arm/nwfpe/fpmodule.inl @@ -1,23 +1,23 @@ /* NetWinder Floating Point Emulator - (c) Corel Computer Corporation, 1998 + (c) Rebel.com, 1998-1999 - Direct questions, comments to Scott Bambrough <scottb@corelcomputer.com> + Direct questions, comments to Scott Bambrough <scottb@netwinder.org> - 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. + 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. - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ /* Address of user registers on the kernel stack. */ extern unsigned int *userRegisters; @@ -25,64 +25,60 @@ extern unsigned int *userRegisters; extern __inline__ unsigned int readRegister(const unsigned int nReg) { - /* Note: The CPU thinks it has dealt with the current instruction. As - a result the program counter has been advanced to the next - instruction, and points 4 bytes beyond the actual instruction - that caused the invalid instruction trap to occur. We adjust - for this in this routine. LDF/STF instructions with Rn = PC - depend on the PC being correct, as they use PC+8 in their - address calculations. */ - unsigned int val = userRegisters[nReg]; - - if (REG_PC == nReg) - val -= 4; - - return val; + /* Note: The CPU thinks it has dealt with the current instruction. As + a result the program counter has been advanced to the next + instruction, and points 4 bytes beyond the actual instruction + that caused the invalid instruction trap to occur. We adjust + for this in this routine. LDF/STF instructions with Rn = PC + depend on the PC being correct, as they use PC+8 in their + address calculations. */ + unsigned int val = userRegisters[nReg]; + if (REG_PC == nReg) val -= 4; + return val; } extern __inline__ void writeRegister(const unsigned int nReg, const unsigned int val) { - userRegisters[nReg] = val; + userRegisters[nReg] = val; } extern __inline__ unsigned int readCPSR(void) { - return (readRegister(REG_CPSR)); + return(readRegister(REG_CPSR)); } extern __inline__ void writeCPSR(const unsigned int val) { - writeRegister(REG_CPSR, val); + writeRegister(REG_CPSR,val); } extern __inline__ unsigned int readConditionCodes(void) { #ifdef __FPEM_TEST__ - return (0); + return(0); #else - return (readCPSR() & CC_MASK); + return(readCPSR() & CC_MASK); #endif } extern __inline__ void writeConditionCodes(const unsigned int val) { - unsigned int rval; - - /* - * Operate directly on userRegisters since - * the CPSR may be the PC register itself. - */ - rval = userRegisters[REG_CPSR] & ~CC_MASK; - userRegisters[REG_CPSR] = rval | (val & CC_MASK); + unsigned int rval; + /* + * Operate directly on userRegisters since + * the CPSR may be the PC register itself. + */ + rval = userRegisters[REG_CPSR] & ~CC_MASK; + userRegisters[REG_CPSR] = rval | (val & CC_MASK); } extern __inline__ unsigned int readMemoryInt(unsigned int *pMem) { - return *pMem; + return *pMem; } |