hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
44 lines
753 B
C++
44 lines
753 B
C++
// RUN: %clang_cc1 -emit-llvm %s -o - | FileCheck %s
|
|
// rdar://9894548
|
|
|
|
typedef unsigned long word_t;
|
|
typedef unsigned long u64_t;
|
|
typedef unsigned int u32_t;
|
|
|
|
class ioapic_redir_t {
|
|
public:
|
|
union {
|
|
struct {
|
|
word_t vector : 8;
|
|
|
|
word_t delivery_mode : 3;
|
|
word_t dest_mode : 1;
|
|
|
|
word_t delivery_status : 1;
|
|
word_t polarity : 1;
|
|
word_t irr : 1;
|
|
word_t trigger_mode : 1;
|
|
|
|
word_t mask : 1;
|
|
word_t _pad0 : 15;
|
|
|
|
word_t dest : 8;
|
|
};
|
|
volatile u32_t raw[2];
|
|
volatile u64_t raw64;
|
|
};
|
|
};
|
|
|
|
struct ioapic_shadow_struct
|
|
{
|
|
ioapic_redir_t redirs[24];
|
|
} ioapic_shadow[16];
|
|
|
|
void init_ioapic(unsigned long ioapic_id)
|
|
{
|
|
ioapic_redir_t entry;
|
|
ioapic_shadow[ioapic_id].redirs[3] = entry;
|
|
}
|
|
|
|
// CHECK: call void @llvm.memcpy
|