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author | Ali Saidi <saidi@eecs.umich.edu> | 2006-03-09 15:42:09 -0500 |
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committer | Ali Saidi <saidi@eecs.umich.edu> | 2006-03-09 15:42:09 -0500 |
commit | ce3a6343b6c54e95d63403d46c9ddea384e49476 (patch) | |
tree | 2acc56fa5c2ea2230658ed9b23a17364a241fdab /cpu/exec_context.hh | |
parent | ab67095b2a43b5f2d44d1e1a517d1079ddf9f104 (diff) | |
download | gem5-ce3a6343b6c54e95d63403d46c9ddea384e49476.tar.xz |
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
Diffstat (limited to 'cpu/exec_context.hh')
-rw-r--r-- | cpu/exec_context.hh | 14 |
1 files changed, 1 insertions, 13 deletions
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, ®s); } void syscall() |