From 99831ed93821ee8efc3e7a4b6671c5b226d245e2 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Mon, 27 Jul 2009 00:51:01 -0700
Subject: ARM: Handle register indexed system calls.
---
src/arch/arm/linux/process.cc | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
(limited to 'src/arch/arm/linux/process.cc')
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 7158acfff..c5320c1ab 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -448,7 +448,8 @@ ArmLinuxProcess::getDesc(int callnum)
// Angel SWI syscalls are unsupported in this release
if (callnum == 0x123456) {
panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
- } else if ((callnum & 0x00f00000) == 0x00900000) {
+ } else if ((callnum & 0x00f00000) == 0x00900000 ||
+ (callnum & 0xf0000) == 0xf0000) {
callnum &= 0x000fffff;
if ((callnum & 0x0f0000) == 0xf0000) {
callnum -= 0x0f0001;
--
cgit v1.2.3
From e7640227cac9432c689491f29c996d9168bfb330 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Mon, 27 Jul 2009 00:51:20 -0700
Subject: ARM: Fix fstat/fstat64 structs to match EABI definitions.
---
src/arch/arm/linux/process.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'src/arch/arm/linux/process.cc')
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index c5320c1ab..e72c3fb3c 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -260,7 +260,7 @@ SyscallDesc ArmLinuxProcess::syscallDescs[] = {
/* 194 */ SyscallDesc("ftruncate64", unimplementedFunc),
/* 195 */ SyscallDesc("stat64", unimplementedFunc),
/* 196 */ SyscallDesc("lstat64", lstat64Func<ArmLinux>),
- /* 197 */ SyscallDesc("fstat64", fstatFunc<ArmLinux>),
+ /* 197 */ SyscallDesc("fstat64", fstat64Func<ArmLinux>),
/* 198 */ SyscallDesc("lchown", unimplementedFunc),
/* 199 */ SyscallDesc("getuid", getuidFunc),
/* 200 */ SyscallDesc("getgid", getgidFunc),
--
cgit v1.2.3
From 0a9eb59e6f8be32939c6a267e67943ef50b8ba83 Mon Sep 17 00:00:00 2001
From: Ali Saidi <saidi@eecs.umich.edu>
Date: Wed, 29 Jul 2009 00:09:46 -0700
Subject: ARM: Ignore the "times" system call.
---
src/arch/arm/linux/process.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'src/arch/arm/linux/process.cc')
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index e72c3fb3c..75e3a67ca 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -106,7 +106,7 @@ SyscallDesc ArmLinuxProcess::syscallDescs[] = {
/* 40 */ SyscallDesc("rmdir", unimplementedFunc),
/* 41 */ SyscallDesc("dup", unimplementedFunc),
/* 42 */ SyscallDesc("pipe", unimplementedFunc),
- /* 43 */ SyscallDesc("times", unimplementedFunc),
+ /* 43 */ SyscallDesc("times", ignoreFunc),
/* 44 */ SyscallDesc("prof", unimplementedFunc),
/* 45 */ SyscallDesc("brk", brkFunc),
/* 46 */ SyscallDesc("setgid", unimplementedFunc),
--
cgit v1.2.3
From c2da5bae17436b87a9aa960eab2f77383f4e5a4c Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Wed, 29 Jul 2009 00:17:20 -0700
Subject: ARM: Get rid of a stray line in the set_tls handler.
---
src/arch/arm/linux/process.cc | 1 -
1 file changed, 1 deletion(-)
(limited to 'src/arch/arm/linux/process.cc')
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 75e3a67ca..6736a649d 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -418,7 +418,6 @@ setTLSFunc(SyscallDesc *desc, int callnum, LiveProcess *process,
ThreadContext *tc)
{
uint32_t tlsPtr = process->getSyscallArg(tc, 0);
- TypedBufferArg<Linux::utsname> name(process->getSyscallArg(tc, 0));
tc->getMemPort()->writeBlob(ArmLinuxProcess::commPage + 0x0ff0,
(uint8_t *)&tlsPtr, sizeof(tlsPtr));
--
cgit v1.2.3
From b066e717f4301bd5b882319d7d52e8bbd9c0b6c2 Mon Sep 17 00:00:00 2001
From: Gabe Black <gblack@eecs.umich.edu>
Date: Wed, 29 Jul 2009 00:18:26 -0700
Subject: ARM: Fix an instruction in the cmpxchg kernel provided routine. The
instruction was encoded as a load instead of the intended store.
---
src/arch/arm/linux/process.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
(limited to 'src/arch/arm/linux/process.cc')
diff --git a/src/arch/arm/linux/process.cc b/src/arch/arm/linux/process.cc
index 6736a649d..56e3588a7 100644
--- a/src/arch/arm/linux/process.cc
+++ b/src/arch/arm/linux/process.cc
@@ -496,7 +496,7 @@ ArmLinuxProcess::startup()
{
0x00, 0x30, 0x92, 0xe5, //ldr r3, [r2]
0x00, 0x30, 0x53, 0xe0, //subs r3, r3, r0
- 0x00, 0x10, 0x92, 0x05, //streq r1, [r2]
+ 0x00, 0x10, 0x82, 0x05, //streq r1, [r2]
0x03, 0x00, 0xa0, 0xe1, //mov r0, r3
0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
};
--
cgit v1.2.3