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genode/repos/base-sel4/patches/syscall.patch

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--- src/kernel/sel4/libsel4/sel4_arch_include/ia32/sel4/sel4_arch/syscalls.h
+++ src/kernel/sel4/libsel4/sel4_arch_include/ia32/sel4/sel4_arch/syscalls.h
@@ -20,19 +20,21 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (dest)
: "a" (seL4_SysSend),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (seL4_GetMR(0)),
"c" (seL4_GetMR(1))
- : "%edx"
+ :
);
}
@@ -42,19 +44,21 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (dest)
: "a" (seL4_SysSend),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (mr0 != seL4_Null ? *mr0 : 0),
"c" (mr1 != seL4_Null ? *mr1 : 0)
- : "%edx"
+ :
);
}
@@ -63,19 +67,21 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (dest)
: "a" (seL4_SysNBSend),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (seL4_GetMR(0)),
"c" (seL4_GetMR(1))
- : "%edx"
+ :
);
}
@@ -85,19 +91,21 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (dest)
: "a" (seL4_SysNBSend),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (mr0 != seL4_Null ? *mr0 : 0),
"c" (mr1 != seL4_Null ? *mr1 : 0)
- : "%edx"
+ :
);
}
@@ -106,18 +114,20 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
:
: "a" (seL4_SysReply),
"S" (msgInfo.words[0]),
"D" (seL4_GetMR(0)),
"c" (seL4_GetMR(1))
- : "%ebx", "%edx"
+ : "%edx"
);
}
@@ -127,18 +137,20 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
:
: "a" (seL4_SysReply),
"S" (msgInfo.words[0]),
"D" (mr0 != seL4_Null ? *mr0 : 0),
"c" (mr1 != seL4_Null ? *mr1 : 0)
- : "%ebx", "%edx"
+ : "%edx"
);
}
@@ -147,16 +159,18 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (dest)
: "a" (seL4_SysSend),
- "b" (dest),
"S" (seL4_MessageInfo_new(0, 0, 0, 0).words[0])
- : "%ecx", "%edx"
+ : "%ecx"
);
}
@@ -170,20 +184,24 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
- "=b" (badge),
+ "=d" (badge),
"=S" (info.words[0]),
"=D" (mr0),
"=c" (mr1)
: "a" (seL4_SysRecv),
- "b" (src)
- : "%edx", "memory"
+ "d" (src)
+ : "memory"
);
seL4_SetMR(0, mr0);
@@ -207,20 +225,24 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
- "=b" (badge),
+ "=d" (badge),
"=S" (info.words[0]),
"=D" (msg0),
"=c" (msg1)
: "a" (seL4_SysRecv),
- "b" (src)
- : "%edx", "memory"
+ "d" (src)
+ : "memory"
);
if (mr0 != seL4_Null) {
@@ -247,20 +269,23 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
- "=b" (badge),
+ "=d" (badge),
"=S" (info.words[0]),
"=D" (mr0),
"=c" (mr1)
: "a" (seL4_SysNBRecv),
- "b" (src)
- : "%edx", "memory"
+ "d" (src)
+ : "memory"
);
seL4_SetMR(0, mr0);
@@ -282,24 +307,27 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
"=S" (info.words[0]),
"=D" (mr0),
"=c" (mr1),
- "=b" (dest) /* dummy, tells GCC that ebx is clobbered */
+ "+d" (dest)
: "a" (seL4_SysCall),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (mr0),
"c" (mr1)
- : "%edx", "memory"
+ : "memory"
);
seL4_SetMR(0, mr0);
@@ -325,24 +353,27 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
"=S" (info.words[0]),
"=D" (msg0),
"=c" (msg1),
- "=b" (dest) /* dummy, tells GCC that ebx is clobbered */
+ "+d" (dest)
: "a" (seL4_SysCall),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (msg0),
"c" (msg1)
- : "%edx", "memory"
+ : "memory"
);
if (mr0 != seL4_Null) {
@@ -365,24 +396,28 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
- "=b" (badge),
+ "=d" (badge),
"=S" (info.words[0]),
"=D" (mr0),
"=c" (mr1)
: "a" (seL4_SysReplyRecv),
- "b" (dest),
+ "d" (dest),
"S" (msgInfo.words[0]),
"D" (mr0),
"c" (mr1)
- : "%edx", "memory"
+ : "memory"
);
seL4_SetMR(0, mr0);
@@ -413,24 +448,27 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%ecx, %%ebp \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"movl %%ebp, %%ecx \n"
"popl %%ebp \n"
:
- "=b" (badge),
+ "+d" (badge),
"=S" (info.words[0]),
"=D" (msg0),
"=c" (msg1)
: "a" (seL4_SysReplyRecv),
- "b" (dest),
"S" (msgInfo.words[0]),
"D" (msg0),
"c" (msg1)
- : "%edx", "memory"
+ : "memory"
);
if (mr0 != seL4_Null) {
@@ -452,14 +490,16 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
:
: "a" (seL4_SysYield)
- : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "%ecx", "%edx", "%esi", "%edi", "memory"
);
}
@@ -469,15 +509,17 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
- : "a" (seL4_SysDebugPutChar),
- "b" (c)
- : "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "+d" (c)
+ : "a" (seL4_SysDebugPutChar)
+ : "%ecx", "%esi", "%edi", "memory"
);
}
#endif
@@ -488,14 +530,16 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
:
: "a" (seL4_SysDebugHalt)
- : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "%ecx", "%edx", "%esi", "%edi", "memory"
);
}
#endif
@@ -506,14 +550,16 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
:
: "a" (seL4_SysDebugSnapshot)
- : "%ebx", "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "%ecx", "%edx", "%esi", "%edi", "memory"
);
}
#endif
@@ -524,14 +570,18 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- : "=b"(cap)
- : "a"(seL4_SysDebugCapIdentify), "b"(cap)
- : "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "+d"(cap)
+ : "a"(seL4_SysDebugCapIdentify)
+ : "%ecx", "%esi", "%edi", "memory"
);
return (seL4_Uint32)cap;
}
@@ -546,14 +596,17 @@
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
- : "a"(seL4_SysDebugNameThread), "b"(tcb)
- : "%ecx", "%edx", "%esi", "%edi", "memory"
+ : "+d" (tcb)
+ : "a"(seL4_SysDebugNameThread)
+ : "%ecx", "%esi", "%edi", "memory"
);
}
#endif
@@ -564,16 +617,18 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- :
+ : "+d" (userfn)
: "a" (seL4_SysDebugRun),
- "b" (userfn),
"S" (userarg)
- : "%ecx", "%edx", "%edi", "memory"
+ : "%ecx", "%edi", "memory"
);
}
#endif
@@ -600,16 +655,19 @@
{
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
+ "movl %%edx, %%ebx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- : "=b" (start)
+ : "+d" (start)
: "a" (seL4_SysBenchmarkDumpLog),
- "b" (start),
"S" (size)
- : "%ecx", "%edx", "%edi", "memory"
+ : "%ecx", "%edi", "memory"
);
return (seL4_Uint32) start;
@@ -622,14 +680,17 @@
seL4_Uint32 ret = 0;
asm volatile (
"pushl %%ebp \n"
+ "pushl %%ebx \n"
"movl %%esp, %%ecx \n"
"leal 1f, %%edx \n"
"1: \n"
"sysenter \n"
+ "movl %%ebx, %%edx \n"
+ "popl %%ebx \n"
"popl %%ebp \n"
- : "=b" (ret)
+ : "=d" (ret)
: "a" (seL4_SysBenchmarkLogSize)
- : "%ecx", "%edx", "%edi", "memory"
+ : "%ecx", "%edi", "memory"
);
return ret;
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