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Provide sysctl(hw.cpu64bit_capable) (#304)

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This commit is contained in:
Lubos Dolezel 2018-06-03 16:56:48 +02:00
parent d7efa97fcf
commit 4f197ee2ef
1 changed files with 11 additions and 1 deletions
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12
src/kernel/emulation/linux/misc/sysctl_hw.c
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@ -17,7 +17,8 @@ enum {
_HW_LOGICAL_CPU_MAX,
_HW_CPUTYPE,
_HW_CPUSUBTYPE,
_HW_CPUTHREADTYPE
_HW_CPUTHREADTYPE,
_HW_64BITCAPABLE,
};
static sysctl_handler(handle_availcpu);
@ -30,6 +31,7 @@ static sysctl_handler(handle_pagesize);
static sysctl_handler(handle_cputype);
static sysctl_handler(handle_cpusubtype);
static sysctl_handler(handle_cputhreadtype);
static sysctl_handler(handle_cpu64bitcapable);
static sysctl_handler(handle_machine);
const struct known_sysctl sysctls_hw[] = {
@ -44,6 +46,7 @@ const struct known_sysctl sysctls_hw[] = {
{ .oid = _HW_CPUTYPE, .type = CTLTYPE_INT, .exttype = "", .name = "cputype", .handler = handle_cputype },
{ .oid = _HW_CPUSUBTYPE, .type = CTLTYPE_INT, .exttype = "", .name = "cpusubtype", .handler = handle_cpusubtype },
{ .oid = _HW_CPUTHREADTYPE, .type = CTLTYPE_INT, .exttype = "", .name = "cputhreadtype", .handler = handle_cputhreadtype },
{ .oid = _HW_64BITCAPABLE, .type = CTLTYPE_INT, .exttype = "", .name = "cpu64bit_capable", .handler = handle_cpu64bitcapable },
{ .oid = HW_MACHINE, .type = CTLTYPE_STRING, .exttype = "S", .name = "machine", .handler = handle_machine },
{ .oid = -1 }
};
@ -135,6 +138,13 @@ sysctl_handler(handle_cputhreadtype)
return 0;
}
sysctl_handler(handle_cpu64bitcapable)
{
sysctl_handle_size(sizeof(int));
*((int*) old) = 1; // Darling only supports 64-bit CPUs
return 0;
}
sysctl_handler(handle_machine)
{
copyout_string(need_uname()->machine, (char*) old, oldlen);