From ce3a6343b6c54e95d63403d46c9ddea384e49476 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Thu, 9 Mar 2006 15:42:09 -0500
Subject: no more common syscall emulation, now common for everyone check
 abi-tag note section of elf binary for OS add pseudo functions (moved from
 alpha and made to be generic) move setsyscallreturn into isa traits

arch/alpha/SConscript:
    no more common syscall emulation, now common for everyone
arch/alpha/isa_traits.hh:
    move setsyscallreturn into isa description
arch/alpha/linux/process.cc:
arch/alpha/tru64/process.cc:
    use generic functions rather than alpha specific ones
arch/sparc/isa_traits.hh:
    have consts for generic pseudo syscalls
arch/sparc/linux/process.cc:
    use generic functions
base/loader/elf_object.cc:
    check abi-tag note section of elf binary for OS
cpu/exec_context.hh:
    move syssyscallreturn into isa traits
sim/process.cc:
    find call num with a more generic
sim/syscall_emul.cc:
sim/syscall_emul.hh:
    add pseudo functions (moved from alpha and made to be generic)

--HG--
extra : convert_revision : 5a31024ecde7e39b830365ddd84593ea501a34d2
---
 cpu/exec_context.hh | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

(limited to 'cpu')

diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index bc3551b4f..97bfc5f0d 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -464,19 +464,7 @@ class ExecContext
 
     void setSyscallReturn(SyscallReturn return_value)
     {
-        // check for error condition.  Alpha syscall convention is to
-        // indicate success/failure in reg a3 (r19) and put the
-        // return value itself in the standard return value reg (v0).
-        const int RegA3 = 19;	// only place this is used
-        if (return_value.successful()) {
-            // no error
-            regs.intRegFile[RegA3] = 0;
-            regs.intRegFile[TheISA::ReturnValueReg] = return_value.value();
-        } else {
-            // got an error, return details
-            regs.intRegFile[RegA3] = (TheISA::IntReg) -1;
-            regs.intRegFile[TheISA::ReturnValueReg] = -return_value.value();
-        }
+        TheISA::setSyscallReturn(return_value, &regs);
     }
 
     void syscall()
-- 
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