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RISC-V Linux User Emulation

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Implementation of linux user emulation for RISC-V.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Sagar Karandikar <sagark@eecs.berkeley.edu>
Signed-off-by: Michael Clark <mjc@sifive.com>
This commit is contained in:
Michael Clark 2018-03-03 01:31:11 +13:00
parent 65c5b75c38
commit 47ae93cdfe
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GPG key ID: 6BF1D7B357EF3E4F
13 changed files with 1012 additions and 6 deletions
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13
linux-user/syscall_defs.h
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@ -71,7 +71,7 @@
|| defined(TARGET_M68K) || defined(TARGET_CRIS) \
|| defined(TARGET_UNICORE32) || defined(TARGET_S390X) \
|| defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) \
|| defined(TARGET_NIOS2)
|| defined(TARGET_NIOS2) || defined(TARGET_RISCV)
#define TARGET_IOC_SIZEBITS 14
#define TARGET_IOC_DIRBITS 2
@ -435,7 +435,8 @@ int do_sigaction(int sig, const struct target_sigaction *act,
|| defined(TARGET_M68K) || defined(TARGET_ALPHA) || defined(TARGET_CRIS) \
|| defined(TARGET_MICROBLAZE) || defined(TARGET_UNICORE32) \
|| defined(TARGET_S390X) || defined(TARGET_OPENRISC) \
|| defined(TARGET_TILEGX) || defined(TARGET_HPPA) || defined(TARGET_NIOS2)
|| defined(TARGET_TILEGX) || defined(TARGET_HPPA) || defined(TARGET_NIOS2) \
|| defined(TARGET_RISCV)
#if defined(TARGET_SPARC)
#define TARGET_SA_NOCLDSTOP 8u
@ -2093,7 +2094,7 @@ struct target_stat {
unsigned int __unused[2];
};
#elif defined(TARGET_OPENRISC) || defined(TARGET_TILEGX) || \
defined(TARGET_NIOS2)
defined(TARGET_NIOS2) || defined(TARGET_RISCV)
/* These are the asm-generic versions of the stat and stat64 structures */
@ -2120,6 +2121,7 @@ struct target_stat {
unsigned int __unused5;
};
#if !defined(TARGET_RISCV64)
#define TARGET_HAS_STRUCT_STAT64
struct target_stat64 {
uint64_t st_dev;
@ -2143,6 +2145,7 @@ struct target_stat64 {
unsigned int __unused4;
unsigned int __unused5;
};
#endif
#elif defined(TARGET_HPPA)
@ -2258,8 +2261,8 @@ struct target_statfs64 {
uint32_t f_spare[6];
};
#elif (defined(TARGET_PPC64) || defined(TARGET_X86_64) || \
defined(TARGET_SPARC64) || defined(TARGET_AARCH64)) && \
!defined(TARGET_ABI32)
defined(TARGET_SPARC64) || defined(TARGET_AARCH64) || \
defined(TARGET_RISCV)) && !defined(TARGET_ABI32)
struct target_statfs {
abi_long f_type;
abi_long f_bsize;