File: arm-cmse-secure.c

package info (click to toggle)
llvm-toolchain-11 1%3A11.0.1-2~deb10u1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 995,836 kB
  • sloc: cpp: 4,767,656; ansic: 760,916; asm: 477,436; python: 170,940; objc: 69,804; lisp: 29,914; sh: 23,855; f90: 18,173; pascal: 7,551; perl: 7,471; ml: 5,603; awk: 3,489; makefile: 2,573; xml: 915; cs: 573; fortran: 503; javascript: 452
file content (66 lines) | stat: -rw-r--r-- 2,123 bytes parent folder | download | duplicates (8)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
// RUN: %clang_cc1 -triple thumbv8m.base-unknown-unknown-eabi   -emit-llvm -mrelocation-model static -mcmse -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple thumbebv8m.base-unknown-unknown-eabi -emit-llvm -mrelocation-model static -mcmse -o - %s | FileCheck %s

#include <arm_cmse.h>

unsigned test_cmse_primitives(void *p) {
// CHECK: define {{.*}} i32 @test_cmse_primitives
  cmse_address_info_t tt_val, ttt_val;
  cmse_address_info_t tta_val, ttat_val;
  unsigned sum;

  tt_val = cmse_TT(p);
  ttt_val = cmse_TTT(p);
  tta_val = cmse_TTA(p);
  ttat_val = cmse_TTAT(p);
// CHECK: call i32 @llvm.arm.cmse.tt
// CHECK: call i32 @llvm.arm.cmse.ttt
// CHECK: call i32 @llvm.arm.cmse.tta
// CHECK: call i32 @llvm.arm.cmse.ttat

  sum = tt_val.value;
  sum += ttt_val.value;
  sum += tta_val.value;
  sum += ttat_val.value;

  sum += tt_val.flags.mpu_region;
  sum += tt_val.flags.sau_region;
  sum += tt_val.flags.mpu_region_valid;
  sum += tt_val.flags.sau_region_valid;
  sum += tt_val.flags.read_ok;
  sum += tt_val.flags.readwrite_ok;
  sum += tt_val.flags.nonsecure_read_ok;
  sum += tt_val.flags.nonsecure_readwrite_ok;
  sum += tt_val.flags.secure;
  sum += tt_val.flags.idau_region_valid;
  sum += tt_val.flags.idau_region;

  return sum;
}

void *test_address_range(void *p) {
// CHECK: define {{.*}} i8* @test_address_range
  return cmse_check_address_range(p, 128, CMSE_MPU_UNPRIV
                                        | CMSE_MPU_NONSECURE
                                        | CMSE_MPU_READWRITE);
// CHECK: call i32 @llvm.arm.cmse.tt
// CHECK: call i32 @llvm.arm.cmse.ttt
// CHECK: call i32 @llvm.arm.cmse.tta
// CHECK: call i32 @llvm.arm.cmse.ttat
}

typedef struct {
  int x, y, z;
} Point;

void *test_pointed_object(void *p) {
// CHECK: define {{.*}} i8* @test_pointed_object
  Point *pt = (Point *)p;
  cmse_check_pointed_object(pt, CMSE_NONSECURE
                              | CMSE_MPU_READ
                              | CMSE_AU_NONSECURE);
// CHECK: call i32 @llvm.arm.cmse.tt
// CHECK: call i32 @llvm.arm.cmse.ttt
// CHECK: call i32 @llvm.arm.cmse.tta
// CHECK: call i32 @llvm.arm.cmse.ttat
}