gh0s7/mckernel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add system call execution for uti

Browse Source 
Change-Id: Ide79726b79964e72596ed78c87ec61d1eaf7e1c7
This commit is contained in:
TOIDA,Suguru
2019-03-01 15:43:39 +09:00
committed by Masamichi Takagi
parent c96dfb0c68
commit 52f89cf8fa
1 changed files with 69 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
executer/user/arch/arm64/archdep_c.c Normal file
View File

@ -0,0 +1,69 @@
/* archdep_c.c COPYRIGHT FUJITSU LIMITED 2019 */
long uti_syscall6(long syscall_number,
long arg0, long arg1, long arg2,
long arg3, long arg4, long arg5)
{
long ret;
asm volatile(
"mov x8, %1;"
"mov x0, %2;"
"mov x1, %3;"
"mov x2, %4;"
"mov x3, %5;"
"mov x4, %6;"
"mov x5, %7;"
"svc #0x0;"
"mov %0, x0;"
: "=r" (ret)
: "r" (syscall_number),
"r" (arg0), "r" (arg1), "r" (arg2),
"r" (arg3), "r" (arg4), "r" (arg5));
return ret;
}
long uti_syscall3(long syscall_number, long arg0, long arg1, long arg2)
{
long ret;
asm volatile(
"mov x8, %1;"
"mov x0, %2;"
"mov x1, %3;"
"mov x2, %4;"
"svc #0x0;"
"mov %0, x0;"
: "=r" (ret)
: "r" (syscall_number),
"r" (arg0), "r" (arg1), "r" (arg2));
return ret;
}
long uti_syscall1(long syscall_number, long arg0)
{
long ret;
asm volatile(
"mov x8, %1;"
"mov x0, %2;"
"svc #0x0;"
"mov %0, x0;"
: "=r" (ret)
: "r" (syscall_number),
"r" (arg0));
return ret;
}
long uti_syscall0(long syscall_number)
{
long ret;
asm volatile(
"mov x8, %1;"
"svc #0x0;"
"mov %0, x0;"
: "=r" (ret)
: "r" (syscall_number));
return ret;
}