m32r: move include/asm-m32r headers to arch/m32r/include/asm

Signed-off-by: Hirokazu Takata <takata@linux-m32r.org>

1 files changed, 146 insertions, 0 deletions

diff --git a/arch/m32r/include/asm/flat.h b/arch/m32r/include/asm/flat.h
new file mode 100644
index 000000000000..d851cf0c4aa5
--- /dev/null
+++ b/arch/m32r/include/asm/flat.h
@@ -0,0 +1,146 @@
+/*
+ * 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_stack_align(sp)            (*sp += (*sp & 3 ? (4 - (*sp & 3)): 0))
+#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))
+#define flat_get_addr_from_rp(rp, relval, flags, persistent) \
+        m32r_flat_get_addr_from_rp(rp, relval, (text_len) )
+
+#define flat_put_addr_at_rp(rp, addr, relval) \
+        m32r_flat_put_addr_at_rp(rp, addr, relval)
+
+/* 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 (unsigned long *rp,
+                                                        unsigned long relval,
+                                                        unsigned long 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 void m32r_flat_put_addr_at_rp (unsigned long *rp,
+                                             unsigned long addr,
+                                             unsigned long 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;
+                }
+        }
+}
+
+#endif /* __ASM_M32R_FLAT_H */