diff options
Diffstat (limited to 'c/src/exec/score/cpu/powerpc/asm.h')
| -rw-r--r-- | c/src/exec/score/cpu/powerpc/asm.h | 292 |
1 files changed, 0 insertions, 292 deletions
diff --git a/c/src/exec/score/cpu/powerpc/asm.h b/c/src/exec/score/cpu/powerpc/asm.h deleted file mode 100644 index 419202eb26..0000000000 --- a/c/src/exec/score/cpu/powerpc/asm.h +++ /dev/null @@ -1,292 +0,0 @@ -/* asm.h - * - * This include file attempts to address the problems - * caused by incompatible flavors of assemblers and - * toolsets. It primarily addresses variations in the - * use of leading underscores on symbols and the requirement - * that register names be preceded by a %. - * - * - * NOTE: The spacing in the use of these macros - * is critical to them working as advertised. - * - * COPYRIGHT: - * - * This file is based on similar code found in newlib available - * from ftp.cygnus.com. The file which was used had no copyright - * notice. This file is freely distributable as long as the source - * of the file is noted. This file is: - * - * COPYRIGHT (c) 1995. - * i-cubed ltd. - * - * COPYRIGHT (c) 1994. - * On-Line Applications Research Corporation (OAR). - * - * $Id$ - */ - -#ifndef __PPC_ASM_h -#define __PPC_ASM_h - -/* - * Indicate we are in an assembly file and get the basic CPU definitions. - */ - -#ifndef ASM -#define ASM -#endif -#include <rtems/score/cpuopts.h> -#include <rtems/score/ppc.h> - -/* - * Recent versions of GNU cpp define variables which indicate the - * need for underscores and percents. If not using GNU cpp or - * the version does not support this, then you will obviously - * have to define these as appropriate. - */ - -#ifndef __USER_LABEL_PREFIX__ -#define __USER_LABEL_PREFIX__ -#endif - -#ifndef __REGISTER_PREFIX__ -#define __REGISTER_PREFIX__ -#endif - -#ifndef __FLOAT_REGISTER_PREFIX__ -#define __FLOAT_REGISTER_PREFIX__ __REGISTER_PREFIX__ -#endif - -#if (PPC_ABI == PPC_ABI_POWEROPEN) -#ifndef __PROC_LABEL_PREFIX__ -#define __PROC_LABEL_PREFIX__ . -#endif -#endif - -#ifndef __PROC_LABEL_PREFIX__ -#define __PROC_LABEL_PREFIX__ __USER_LABEL_PREFIX__ -#endif - -/* ANSI concatenation macros. */ - -#define CONCAT1(a, b) CONCAT2(a, b) -#define CONCAT2(a, b) a ## b - -/* Use the right prefix for global labels. */ - -#define SYM(x) CONCAT1 (__USER_LABEL_PREFIX__, x) - -/* Use the right prefix for procedure labels. */ - -#define PROC(x) CONCAT1 (__PROC_LABEL_PREFIX__, x) - -/* Use the right prefix for registers. */ - -#define REG(x) CONCAT1 (__REGISTER_PREFIX__, x) - -/* Use the right prefix for floating point registers. */ - -#define FREG(x) CONCAT1 (__FLOAT_REGISTER_PREFIX__, x) - -/* - * define macros for all of the registers on this CPU - * - * EXAMPLE: #define d0 REG (d0) - */ -#define r0 REG(0) -#define r1 REG(1) -#define r2 REG(2) -#define r3 REG(3) -#define r4 REG(4) -#define r5 REG(5) -#define r6 REG(6) -#define r7 REG(7) -#define r8 REG(8) -#define r9 REG(9) -#define r10 REG(10) -#define r11 REG(11) -#define r12 REG(12) -#define r13 REG(13) -#define r14 REG(14) -#define r15 REG(15) -#define r16 REG(16) -#define r17 REG(17) -#define r18 REG(18) -#define r19 REG(19) -#define r20 REG(20) -#define r21 REG(21) -#define r22 REG(22) -#define r23 REG(23) -#define r24 REG(24) -#define r25 REG(25) -#define r26 REG(26) -#define r27 REG(27) -#define r28 REG(28) -#define r29 REG(29) -#define r30 REG(30) -#define r31 REG(31) -#define f0 FREG(0) -#define f1 FREG(1) -#define f2 FREG(2) -#define f3 FREG(3) -#define f4 FREG(4) -#define f5 FREG(5) -#define f6 FREG(6) -#define f7 FREG(7) -#define f8 FREG(8) -#define f9 FREG(9) -#define f10 FREG(10) -#define f11 FREG(11) -#define f12 FREG(12) -#define f13 FREG(13) -#define f14 FREG(14) -#define f15 FREG(15) -#define f16 FREG(16) -#define f17 FREG(17) -#define f18 FREG(18) -#define f19 FREG(19) -#define f20 FREG(20) -#define f21 FREG(21) -#define f22 FREG(22) -#define f23 FREG(23) -#define f24 FREG(24) -#define f25 FREG(25) -#define f26 FREG(26) -#define f27 FREG(27) -#define f28 FREG(28) -#define f29 FREG(29) -#define f30 FREG(30) -#define f31 FREG(31) - -/* - * Some special purpose registers (SPRs). - */ -#define srr0 0x01a -#define srr1 0x01b -#if defined(ppc403) || defined(ppc405) -#define srr2 0x3de /* IBM 400 series only */ -#define srr3 0x3df /* IBM 400 series only */ -#endif /* ppc403 or ppc405 */ - -#define sprg0 0x110 -#define sprg1 0x111 -#define sprg2 0x112 -#define sprg3 0x113 - -#define dar 0x013 /* Data Address Register */ -#define dec 0x016 /* Decrementer Register */ - -#if defined(ppc403) || defined(ppc405) -/* the following SPR/DCR registers exist only in IBM 400 series */ -#define dear 0x3d5 -#define evpr 0x3d6 /* SPR: exception vector prefix register */ -#define iccr 0x3fb /* SPR: instruction cache control reg. */ -#define dccr 0x3fa /* SPR: data cache control reg. */ - -#if defined (ppc403) -#define exisr 0x040 /* DCR: external interrupt status register */ -#define exier 0x042 /* DCR: external interrupt enable register */ -#endif /* ppc403 */ -#if defined(ppc405) -#define exisr 0x0C0 /* DCR: external interrupt status register */ -#define exier 0x0C2 /* DCR: external interrupt enable register */ -#endif /* ppc405 */ - -#define br0 0x080 /* DCR: memory bank register 0 */ -#define br1 0x081 /* DCR: memory bank register 1 */ -#define br2 0x082 /* DCR: memory bank register 2 */ -#define br3 0x083 /* DCR: memory bank register 3 */ -#define br4 0x084 /* DCR: memory bank register 4 */ -#define br5 0x085 /* DCR: memory bank register 5 */ -#define br6 0x086 /* DCR: memory bank register 6 */ -#define br7 0x087 /* DCR: memory bank register 7 */ -/* end of IBM400 series register definitions */ - -#elif defined(mpc860) || defined(mpc821) -/* The following registers are for the MPC8x0 */ -#define der 0x095 /* Debug Enable Register */ -#define ictrl 0x09E /* Instruction Support Control Register */ -#define immr 0x27E /* Internal Memory Map Register */ -/* end of MPC8x0 registers */ -#endif - -/* - * Following must be tailor for a particular flavor of the C compiler. - * They may need to put underscores in front of the symbols. - */ - -#define PUBLIC_VAR(sym) .globl SYM (sym) -#define EXTERN_VAR(sym) .extern SYM (sym) -#define PUBLIC_PROC(sym) .globl PROC (sym) -#define EXTERN_PROC(sym) .extern PROC (sym) - -/* Other potentially assembler specific operations */ -#if PPC_ASM == PPC_ASM_ELF -#define ALIGN(n,p) .align p -#define DESCRIPTOR(x) \ - .section .descriptors,"aw"; \ - PUBLIC_VAR (x); \ -SYM (x):; \ - .long PROC (x); \ - .long s.got; \ - .long 0 - -#define EXT_SYM_REF(x) .long x -#define EXT_PROC_REF(x) .long x - -/* - * Define macros to handle section beginning and ends. - */ - -#define BEGIN_CODE_DCL .text -#define END_CODE_DCL -#define BEGIN_DATA_DCL .data -#define END_DATA_DCL -#define BEGIN_CODE .text -#define END_CODE -#define BEGIN_DATA .data -#define END_DATA -#define BEGIN_BSS .bss -#define END_BSS -#define END - -#elif PPC_ASM == PPC_ASM_XCOFF -#define ALIGN(n,p) .align p -#define DESCRIPTOR(x) \ - .csect x[DS]; \ - .globl x[DS]; \ - .long PROC (x)[PR]; \ - .long TOC[tc0] - -#define EXT_SYM_REF(x) .long x[RW] -#define EXT_PROC_REF(x) .long x[DS] - -/* - * Define macros to handle section beginning and ends. - */ - -#define BEGIN_CODE_DCL .csect .text[PR] -#define END_CODE_DCL -#define BEGIN_DATA_DCL .csect .data[RW] -#define END_DATA_DCL -#define BEGIN_CODE .csect .text[PR] -#define END_CODE -#define BEGIN_DATA .csect .data[RW] -#define END_DATA -#define BEGIN_BSS .bss -#define END_BSS -#define END - -#else -#error "PPC_ASM_TYPE is not properly defined" -#endif -#ifndef PPC_ASM -#error "PPC_ASM_TYPE is not properly defined" -#endif - - -#endif -/* end of include file */ - - |