diff options
Diffstat (limited to 'arch/m32r/include/asm/flat.h')
| -rw-r--r-- | arch/m32r/include/asm/flat.h | 143 |
1 files changed, 0 insertions, 143 deletions
diff --git a/arch/m32r/include/asm/flat.h b/arch/m32r/include/asm/flat.h deleted file mode 100644 index dfcb0e4eb256..000000000000 --- a/arch/m32r/include/asm/flat.h +++ /dev/null | |||
| @@ -1,143 +0,0 @@ | |||
| 1 | /* | ||
| 2 | * include/asm-m32r/flat.h | ||
| 3 | * | ||
| 4 | * uClinux flat-format executables | ||
| 5 | * | ||
| 6 | * Copyright (C) 2004 Kazuhiro Inaoka | ||
| 7 | * | ||
| 8 | * This file is subject to the terms and conditions of the GNU General Public | ||
| 9 | * License. See the file "COPYING" in the main directory of this archive for | ||
| 10 | * more details. | ||
| 11 | */ | ||
| 12 | #ifndef __ASM_M32R_FLAT_H | ||
| 13 | #define __ASM_M32R_FLAT_H | ||
| 14 | |||
| 15 | #define flat_argvp_envp_on_stack() 0 | ||
| 16 | #define flat_old_ram_flag(flags) (flags) | ||
| 17 | #define flat_set_persistent(relval, p) 0 | ||
| 18 | #define flat_reloc_valid(reloc, size) \ | ||
| 19 | (((reloc) - textlen_for_m32r_lo16_data) <= (size)) | ||
| 20 | |||
| 21 | /* Convert a relocation entry into an address. */ | ||
| 22 | static inline unsigned long | ||
| 23 | flat_get_relocate_addr (unsigned long relval) | ||
| 24 | { | ||
| 25 | return relval & 0x00ffffff; /* Mask out top 8-bits */ | ||
| 26 | } | ||
| 27 | |||
| 28 | #define flat_m32r_get_reloc_type(relval) ((relval) >> 24) | ||
| 29 | |||
| 30 | #define M32R_SETH_OPCODE 0xd0c00000 /* SETH instruction code */ | ||
| 31 | |||
| 32 | #define FLAT_M32R_32 0x00 /* 32bits reloc */ | ||
| 33 | #define FLAT_M32R_24 0x01 /* unsigned 24bits reloc */ | ||
| 34 | #define FLAT_M32R_16 0x02 /* 16bits reloc */ | ||
| 35 | #define FLAT_M32R_LO16 0x03 /* signed low 16bits reloc (low()) */ | ||
| 36 | #define FLAT_M32R_LO16_DATA 0x04 /* signed low 16bits reloc (low()) | ||
| 37 | for a symbol in .data section */ | ||
| 38 | /* High 16bits of an address used | ||
| 39 | when the lower 16bbits are treated | ||
| 40 | as unsigned. | ||
| 41 | To create SETH instruction only. | ||
| 42 | 0x1X: X means a number of register. | ||
| 43 | 0x10 - 0x3F are reserved. */ | ||
| 44 | #define FLAT_M32R_HI16_ULO 0x10 /* reloc for SETH Rn,#high(imm16) */ | ||
| 45 | /* High 16bits of an address used | ||
| 46 | when the lower 16bbits are treated | ||
| 47 | as signed. | ||
| 48 | To create SETH instruction only. | ||
| 49 | 0x2X: X means a number of register. | ||
| 50 | 0x20 - 0x4F are reserved. */ | ||
| 51 | #define FLAT_M32R_HI16_SLO 0x20 /* reloc for SETH Rn,#shigh(imm16) */ | ||
| 52 | |||
| 53 | static unsigned long textlen_for_m32r_lo16_data = 0; | ||
| 54 | |||
| 55 | static inline unsigned long m32r_flat_get_addr_from_rp (u32 *rp, | ||
| 56 | u32 relval, | ||
| 57 | u32 textlen) | ||
| 58 | { | ||
| 59 | unsigned int reloc = flat_m32r_get_reloc_type (relval); | ||
| 60 | textlen_for_m32r_lo16_data = 0; | ||
| 61 | if (reloc & 0xf0) { | ||
| 62 | unsigned long addr = htonl(*rp); | ||
| 63 | switch (reloc & 0xf0) | ||
| 64 | { | ||
| 65 | case FLAT_M32R_HI16_ULO: | ||
| 66 | case FLAT_M32R_HI16_SLO: | ||
| 67 | if (addr == 0) { | ||
| 68 | /* put "seth Rn,#0x0" instead of 0 (addr). */ | ||
| 69 | *rp = (M32R_SETH_OPCODE | ((reloc & 0x0f)<<24)); | ||
| 70 | } | ||
| 71 | return addr; | ||
| 72 | default: | ||
| 73 | break; | ||
| 74 | } | ||
| 75 | } else { | ||
| 76 | switch (reloc) | ||
| 77 | { | ||
| 78 | case FLAT_M32R_LO16: | ||
| 79 | return htonl(*rp) & 0xFFFF; | ||
| 80 | case FLAT_M32R_LO16_DATA: | ||
| 81 | /* FIXME: The return value will decrease by textlen | ||
| 82 | at m32r_flat_put_addr_at_rp () */ | ||
| 83 | textlen_for_m32r_lo16_data = textlen; | ||
| 84 | return (htonl(*rp) & 0xFFFF) + textlen; | ||
| 85 | case FLAT_M32R_16: | ||
| 86 | return htons(*(unsigned short *)rp) & 0xFFFF; | ||
| 87 | case FLAT_M32R_24: | ||
| 88 | return htonl(*rp) & 0xFFFFFF; | ||
| 89 | case FLAT_M32R_32: | ||
| 90 | return htonl(*rp); | ||
| 91 | default: | ||
| 92 | break; | ||
| 93 | } | ||
| 94 | } | ||
| 95 | return ~0; /* bogus value */ | ||
| 96 | } | ||
| 97 | |||
| 98 | static inline int flat_put_addr_at_rp(u32 *rp, u32 addr, u32 relval) | ||
| 99 | { | ||
| 100 | unsigned int reloc = flat_m32r_get_reloc_type (relval); | ||
| 101 | if (reloc & 0xf0) { | ||
| 102 | unsigned long Rn = reloc & 0x0f; /* get a number of register */ | ||
| 103 | Rn <<= 24; /* 0x0R000000 */ | ||
| 104 | reloc &= 0xf0; | ||
| 105 | switch (reloc) | ||
| 106 | { | ||
| 107 | case FLAT_M32R_HI16_ULO: /* To create SETH Rn,#high(imm16) */ | ||
| 108 | *rp = (M32R_SETH_OPCODE | Rn | ||
| 109 | | ((addr >> 16) & 0xFFFF)); | ||
| 110 | break; | ||
| 111 | case FLAT_M32R_HI16_SLO: /* To create SETH Rn,#shigh(imm16) */ | ||
| 112 | *rp = (M32R_SETH_OPCODE | Rn | ||
| 113 | | (((addr >> 16) + ((addr & 0x8000) ? 1 : 0)) | ||
| 114 | & 0xFFFF)); | ||
| 115 | break; | ||
| 116 | } | ||
| 117 | } else { | ||
| 118 | switch (reloc) { | ||
| 119 | case FLAT_M32R_LO16_DATA: | ||
| 120 | addr -= textlen_for_m32r_lo16_data; | ||
| 121 | textlen_for_m32r_lo16_data = 0; | ||
| 122 | case FLAT_M32R_LO16: | ||
| 123 | *rp = (htonl(*rp) & 0xFFFF0000) | (addr & 0xFFFF); | ||
| 124 | break; | ||
| 125 | case FLAT_M32R_16: | ||
| 126 | *(unsigned short *)rp = addr & 0xFFFF; | ||
| 127 | break; | ||
| 128 | case FLAT_M32R_24: | ||
| 129 | *rp = (htonl(*rp) & 0xFF000000) | (addr & 0xFFFFFF); | ||
| 130 | break; | ||
| 131 | case FLAT_M32R_32: | ||
| 132 | *rp = addr; | ||
| 133 | break; | ||
| 134 | } | ||
| 135 | } | ||
| 136 | return 0; | ||
| 137 | } | ||
| 138 | |||
| 139 | // kludge - text_len is a local variable in the only user. | ||
| 140 | #define flat_get_addr_from_rp(rp, relval, flags, addr, persistent) \ | ||
| 141 | (m32r_flat_get_addr_from_rp(rp, relval, text_len), 0) | ||
| 142 | |||
| 143 | #endif /* __ASM_M32R_FLAT_H */ | ||