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Diffstat (limited to 'arch/sparc/include/asm/elf_64.h')
-rw-r--r--arch/sparc/include/asm/elf_64.h65
1 files changed, 29 insertions, 36 deletions
diff --git a/arch/sparc/include/asm/elf_64.h b/arch/sparc/include/asm/elf_64.h
index 64f7a00b3747..7df8b7f544d4 100644
--- a/arch/sparc/include/asm/elf_64.h
+++ b/arch/sparc/include/asm/elf_64.h
@@ -59,15 +59,33 @@
59#define R_SPARC_6 45 59#define R_SPARC_6 45
60 60
61/* Bits present in AT_HWCAP, primarily for Sparc32. */ 61/* Bits present in AT_HWCAP, primarily for Sparc32. */
62 62#define HWCAP_SPARC_FLUSH 0x00000001
63#define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ 63#define HWCAP_SPARC_STBAR 0x00000002
64#define HWCAP_SPARC_STBAR 2 64#define HWCAP_SPARC_SWAP 0x00000004
65#define HWCAP_SPARC_SWAP 4 65#define HWCAP_SPARC_MULDIV 0x00000008
66#define HWCAP_SPARC_MULDIV 8 66#define HWCAP_SPARC_V9 0x00000010
67#define HWCAP_SPARC_V9 16 67#define HWCAP_SPARC_ULTRA3 0x00000020
68#define HWCAP_SPARC_ULTRA3 32 68#define HWCAP_SPARC_BLKINIT 0x00000040
69#define HWCAP_SPARC_BLKINIT 64 69#define HWCAP_SPARC_N2 0x00000080
70#define HWCAP_SPARC_N2 128 70
71/* Solaris compatible AT_HWCAP bits. */
72#define AV_SPARC_MUL32 0x00000100 /* 32x32 multiply is efficient */
73#define AV_SPARC_DIV32 0x00000200 /* 32x32 divide is efficient */
74#define AV_SPARC_FSMULD 0x00000400 /* 'fsmuld' is efficient */
75#define AV_SPARC_V8PLUS 0x00000800 /* v9 insn available to 32bit */
76#define AV_SPARC_POPC 0x00001000 /* 'popc' is efficient */
77#define AV_SPARC_VIS 0x00002000 /* VIS insns available */
78#define AV_SPARC_VIS2 0x00004000 /* VIS2 insns available */
79#define AV_SPARC_ASI_BLK_INIT 0x00008000 /* block init ASIs available */
80#define AV_SPARC_FMAF 0x00010000 /* fused multiply-add */
81#define AV_SPARC_VIS3 0x00020000 /* VIS3 insns available */
82#define AV_SPARC_HPC 0x00040000 /* HPC insns available */
83#define AV_SPARC_RANDOM 0x00080000 /* 'random' insn available */
84#define AV_SPARC_TRANS 0x00100000 /* transaction insns available */
85#define AV_SPARC_FJFMAU 0x00200000 /* unfused multiply-add */
86#define AV_SPARC_IMA 0x00400000 /* integer multiply-add */
87#define AV_SPARC_ASI_CACHE_SPARING \
88 0x00800000 /* cache sparing ASIs available */
71 89
72#define CORE_DUMP_USE_REGSET 90#define CORE_DUMP_USE_REGSET
73 91
@@ -162,33 +180,8 @@ typedef struct {
162#define ELF_ET_DYN_BASE 0x0000010000000000UL 180#define ELF_ET_DYN_BASE 0x0000010000000000UL
163#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL 181#define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL
164 182
165 183extern unsigned long sparc64_elf_hwcap;
166/* This yields a mask that user programs can use to figure out what 184#define ELF_HWCAP sparc64_elf_hwcap
167 instruction set this cpu supports. */
168
169/* On Ultra, we support all of the v8 capabilities. */
170static inline unsigned int sparc64_elf_hwcap(void)
171{
172 unsigned int cap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR |
173 HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV |
174 HWCAP_SPARC_V9);
175
176 if (tlb_type == cheetah || tlb_type == cheetah_plus)
177 cap |= HWCAP_SPARC_ULTRA3;
178 else if (tlb_type == hypervisor) {
179 if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
180 sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
181 sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
182 cap |= HWCAP_SPARC_BLKINIT;
183 if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
184 sun4v_chip_type == SUN4V_CHIP_NIAGARA3)
185 cap |= HWCAP_SPARC_N2;
186 }
187
188 return cap;
189}
190
191#define ELF_HWCAP sparc64_elf_hwcap()
192 185
193/* This yields a string that ld.so will use to load implementation 186/* This yields a string that ld.so will use to load implementation
194 specific libraries for optimization. This is more specific in 187 specific libraries for optimization. This is more specific in