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11 Commits

Author SHA1 Message Date
Jim Wilson 77ac27dcf8 RISC-V: Add _LITE_EXIT in crt0.S. 
This patch adds _LITE_EXIT in crt0.S to enable "lite exit" technique in
RISC-V. The changes have been tested in riscv/riscv-gnu-toolchain by
riscv-dejagnu with riscv-sim.exp/riscv-sim-nano.exp.
 2019-05-22 17:41:25 -07:00
Denis Ivanov 9e032fd939 RISC-V: Fix _sbrk, it's failed only when return value is -1. 
Signed-off-by: Kito Cheng <kito.cheng@gmail.com>
 2018-08-29 15:49:00 +02:00
Denis Ivanov 258996b696 RISC-V: Fixed return code in _times syscall. 
Upon successful completion, times() shall return the elapsed real time,
in clock ticks, since an arbitrary point in the past (for example,
system start-up time).

Signed-off-by: Kito Cheng <kito.cheng@gmail.com>
 2018-08-29 15:49:00 +02:00
Sebastian Huber 6158b30e3e RISC-V: Do not use _init/_fini 
Introduce new host configuration variable "have_init_fini" which is set
to "yes" by default.  Override it for RISC-V to "no".

Signed-off-by: Sebastian Huber <sebastian.huber@embedded-brains.de>
 2018-07-30 10:47:57 +02:00
Chih-Mao Chen f2c9e55faf RISC-V: isatty: return 0 on error 2018-01-18 09:21:10 +01:00
Jim Wilson 9588ff7555 RISC-V: Add gdb sim and newlib nano support. Fix a few misc minor bugs. 2017-12-26 12:31:33 -08:00
Jim Wilson 28d5b98038 RISC-V: Moved syscalls to separate files to fix aliasing problems. 2017-12-26 12:27:52 -08:00
Jim Wilson 347b083911 RISC-V: Updated syscall to take 6 arguments 2017-12-26 12:26:19 -08:00
Jim Wilson a6633677b9 RISC-V: Add nanosleep functionality 2017-12-26 12:24:45 -08:00
Kito Cheng 6864c08b94 Change license to FreeBSD License for RISC-V 
- For prevent confuse about what BSD license variant we used, 2- or
   3-clause license, we change the license to FreeBSD license to make
   it unambiguously refers to the 2-clause license.
 2017-08-21 11:08:54 +02:00
Kito Cheng c496cbb6bd Add RISC-V port for libgloss 
Contributor list:
    - Andrew Waterman  <andrew@sifive.com>
    - Palmer Dabbelt  <palmer@dabbelt.com>
    - Kito Cheng  <kito.cheng@gmail.com>
    - Alex Suykov  <alex.suykov@gmail.com>
 2017-08-17 14:51:05 -04:00