/* * include/asm-m32r/flat.h * * uClinux flat-format executables * * Copyright (C) 2004 Kazuhiro Inaoka * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive for * more details. */ #ifndef __ASM_M32R_FLAT_H #define __ASM_M32R_FLAT_H #define flat_argvp_envp_on_stack() 0 #define flat_old_ram_flag(flags) (flags) #define flat_set_persistent(relval, p) 0 #define flat_reloc_valid(reloc, size) \ (((reloc) - textlen_for_m32r_lo16_data) <= (size)) /* Convert a relocation entry into an address. */ static inline unsigned long flat_get_relocate_addr (unsigned long relval) { return relval & 0x00ffffff; /* Mask out top 8-bits */ } #define flat_m32r_get_reloc_type(relval) ((relval) >> 24) #define M32R_SETH_OPCODE 0xd0c00000 /* SETH instruction code */ #define FLAT_M32R_32 0x00 /* 32bits reloc */ #define FLAT_M32R_24 0x01 /* unsigned 24bits reloc */ #define FLAT_M32R_16 0x02 /* 16bits reloc */ #define FLAT_M32R_LO16 0x03 /* signed low 16bits reloc (low()) */ #define FLAT_M32R_LO16_DATA 0x04 /* signed low 16bits reloc (low()) for a symbol in .data section */ /* High 16bits of an address used when the lower 16bbits are treated as unsigned. To create SETH instruction only. 0x1X: X means a number of register. 0x10 - 0x3F are reserved. */ #define FLAT_M32R_HI16_ULO 0x10 /* reloc for SETH Rn,#high(imm16) */ /* High 16bits of an address used when the lower 16bbits are treated as signed. To create SETH instruction only. 0x2X: X means a number of register. 0x20 - 0x4F are reserved. */ #define FLAT_M32R_HI16_SLO 0x20 /* reloc for SETH Rn,#shigh(imm16) */ static unsigned long textlen_for_m32r_lo16_data = 0; static inline unsigned long m32r_flat_get_addr_from_rp (u32 *rp, u32 relval, u32 textlen) { unsigned int reloc = flat_m32r_get_reloc_type (relval); textlen_for_m32r_lo16_data = 0; if (reloc & 0xf0) { unsigned long addr = htonl(*rp); switch (reloc & 0xf0) { case FLAT_M32R_HI16_ULO: case FLAT_M32R_HI16_SLO: if (addr == 0) { /* put "seth Rn,#0x0" instead of 0 (addr). */ *rp = (M32R_SETH_OPCODE | ((reloc & 0x0f)<<24)); } return addr; default: break; } } else { switch (reloc) { case FLAT_M32R_LO16: return htonl(*rp) & 0xFFFF; case FLAT_M32R_LO16_DATA: /* FIXME: The return value will decrease by textlen at m32r_flat_put_addr_at_rp () */ textlen_for_m32r_lo16_data = textlen; return (htonl(*rp) & 0xFFFF) + textlen; case FLAT_M32R_16: return htons(*(unsigned short *)rp) & 0xFFFF; case FLAT_M32R_24: return htonl(*rp) & 0xFFFFFF; case FLAT_M32R_32: return htonl(*rp); default: break; } } return ~0; /* bogus value */ } static inline int flat_put_addr_at_rp(u32 *rp, u32 addr, u32 relval) { unsigned int reloc = flat_m32r_get_reloc_type (relval); if (reloc & 0xf0) { unsigned long Rn = reloc & 0x0f; /* get a number of register */ Rn <<= 24; /* 0x0R000000 */ reloc &= 0xf0; switch (reloc) { case FLAT_M32R_HI16_ULO: /* To create SETH Rn,#high(imm16) */ *rp = (M32R_SETH_OPCODE | Rn | ((addr >> 16) & 0xFFFF)); break; case FLAT_M32R_HI16_SLO: /* To create SETH Rn,#shigh(imm16) */ *rp = (M32R_SETH_OPCODE | Rn | (((addr >> 16) + ((addr & 0x8000) ? 1 : 0)) & 0xFFFF)); break; } } else { switch (reloc) { case FLAT_M32R_LO16_DATA: addr -= textlen_for_m32r_lo16_data; textlen_for_m32r_lo16_data = 0; case FLAT_M32R_LO16: *rp = (htonl(*rp) & 0xFFFF0000) | (addr & 0xFFFF); break; case FLAT_M32R_16: *(unsigned short *)rp = addr & 0xFFFF; break; case FLAT_M32R_24: *rp = (htonl(*rp) & 0xFF000000) | (addr & 0xFFFFFF); break; case FLAT_M32R_32: *rp = addr; break; } } return 0; } // kludge - text_len is a local variable in the only user. #define flat_get_addr_from_rp(rp, relval, flags, addr, persistent) \ (m32r_flat_get_addr_from_rp(rp, relval, text_len), 0) #endif /* __ASM_M32R_FLAT_H */
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m32104ut | Folder | 0755 |
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m32700ut | Folder | 0755 |
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mappi2 | Folder | 0755 |
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mappi3 | Folder | 0755 |
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opsput | Folder | 0755 |
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Kbuild | File | 318 B | 0644 |
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addrspace.h | File | 1.67 KB | 0644 |
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asm-offsets.h | File | 35 B | 0644 |
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assembler.h | File | 4.2 KB | 0644 |
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atomic.h | File | 6.29 KB | 0644 |
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barrier.h | File | 506 B | 0644 |
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bitops.h | File | 6.23 KB | 0644 |
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bug.h | File | 115 B | 0644 |
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bugs.h | File | 410 B | 0644 |
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cache.h | File | 222 B | 0644 |
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cachectl.h | File | 739 B | 0644 |
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cacheflush.h | File | 3.2 KB | 0644 |
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checksum.h | File | 4.83 KB | 0644 |
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cmpxchg.h | File | 4.86 KB | 0644 |
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dcache_clear.h | File | 1.01 KB | 0644 |
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delay.h | File | 31 B | 0644 |
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device.h | File | 148 B | 0644 |
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div64.h | File | 31 B | 0644 |
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dma-mapping.h | File | 570 B | 0644 |
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dma.h | File | 281 B | 0644 |
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elf.h | File | 3.64 KB | 0644 |
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emergency-restart.h | File | 188 B | 0644 |
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fb.h | File | 414 B | 0644 |
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flat.h | File | 4.2 KB | 0644 |
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ftrace.h | File | 12 B | 0644 |
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futex.h | File | 82 B | 0644 |
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hardirq.h | File | 214 B | 0644 |
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hw_irq.h | File | 87 B | 0644 |
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io.h | File | 6.44 KB | 0644 |
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irq.h | File | 2.94 KB | 0644 |
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irq_regs.h | File | 34 B | 0644 |
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irqflags.h | File | 2.24 KB | 0644 |
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kdebug.h | File | 32 B | 0644 |
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kmap_types.h | File | 251 B | 0644 |
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linkage.h | File | 177 B | 0644 |
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local.h | File | 7.8 KB | 0644 |
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local64.h | File | 33 B | 0644 |
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m32102.h | File | 14.71 KB | 0644 |
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m32r.h | File | 5.7 KB | 0644 |
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m32r_mp_fpga.h | File | 14.89 KB | 0644 |
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mc146818rtc.h | File | 671 B | 0644 |
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mmu.h | File | 403 B | 0644 |
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mmu_context.h | File | 4.23 KB | 0644 |
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mmzone.h | File | 1.29 KB | 0644 |
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page.h | File | 2.62 KB | 0644 |
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pci.h | File | 147 B | 0644 |
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percpu.h | File | 165 B | 0644 |
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pgalloc.h | File | 1.84 KB | 0644 |
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pgtable-2level.h | File | 2.31 KB | 0644 |
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pgtable.h | File | 9.7 KB | 0644 |
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processor.h | File | 2.93 KB | 0644 |
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ptrace.h | File | 1.3 KB | 0644 |
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rtc.h | File | 1.99 KB | 0644 |
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s1d13806.h | File | 9.84 KB | 0644 |
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segment.h | File | 228 B | 0644 |
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serial.h | File | 187 B | 0644 |
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setup.h | File | 1022 B | 0644 |
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shmparam.h | File | 197 B | 0644 |
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signal.h | File | 561 B | 0644 |
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smp.h | File | 3.5 KB | 0644 |
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spinlock.h | File | 7.15 KB | 0644 |
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spinlock_types.h | File | 520 B | 0644 |
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string.h | File | 378 B | 0644 |
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switch_to.h | File | 1.48 KB | 0644 |
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syscall.h | File | 252 B | 0644 |
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termios.h | File | 1.74 KB | 0644 |
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thread_info.h | File | 3.71 KB | 0644 |
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timex.h | File | 581 B | 0644 |
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tlb.h | File | 483 B | 0644 |
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tlbflush.h | File | 2.94 KB | 0644 |
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topology.h | File | 167 B | 0644 |
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types.h | File | 258 B | 0644 |
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uaccess.h | File | 15.3 KB | 0644 |
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ucontext.h | File | 321 B | 0644 |
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unaligned.h | File | 592 B | 0644 |
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unistd.h | File | 1.23 KB | 0644 |
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user.h | File | 2.1 KB | 0644 |
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vga.h | File | 436 B | 0644 |
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xor.h | File | 148 B | 0644 |
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