From: Jacob Lifshay <programmerjake@gmail.com>
Date: Fri, 1 Dec 2023 07:29:18 +0000 (-0800)
Subject: caller.py: implement write syscall
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=46b65d91b6d43be1bd4531616438f533d220b09e;p=openpower-isa.git

caller.py: implement write syscall
---

diff --git a/src/openpower/decoder/isa/caller.py b/src/openpower/decoder/isa/caller.py
index ae6ade01..205ae888 100644
--- a/src/openpower/decoder/isa/caller.py
+++ b/src/openpower/decoder/isa/caller.py
@@ -1166,6 +1166,13 @@ class SyscallEmulator(openpower.syscalls.Dispatcher):
         self.__isacaller.halted = True
         raise ExitSyscallCalled(status)
 
+    def sys_write(self, fd, buf, count, *rest):
+        buf = self.__isacaller.mem.get_ctypes(buf, count, is_write=False)
+        try:
+            return os.write(fd, buf)
+        except OSError as e:
+            return -e.errno
+
 
 class ISACaller(ISACallerHelper, ISAFPHelpers, StepLoop):
     # decoder2 - an instance of power_decoder2