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| author | Iru Cai <mytbk920423@gmail.com> | 2018-12-23 14:58:42 +0800 |
|---|---|---|
| committer | Iru Cai <mytbk920423@gmail.com> | 2019-11-17 15:10:44 +0800 |
| commit | a6c728b92c778b62d3805f4901afc6d2182ef29d (patch) | |
| tree | 922be30e3f08e5d4a1c59cf41e0eecc3ef5c97ca /src | |
| parent | 7fed3657f18236bbfaf7fd59ab4f41b4a7a3069c (diff) | |
| download | coreboot-a6c728b92c778b62d3805f4901afc6d2182ef29d.tar.xz | |
test_memory
Diffstat (limited to 'src')
| -rw-r--r-- | src/northbridge/intel/haswell/mrc_frag_init_memory.c | 16 | ||||
| -rw-r--r-- | src/northbridge/intel/haswell/mrc_init_memory.asm | 28 |
2 files changed, 20 insertions, 24 deletions
diff --git a/src/northbridge/intel/haswell/mrc_frag_init_memory.c b/src/northbridge/intel/haswell/mrc_frag_init_memory.c index ea1916ca0b..4182b4991d 100644 --- a/src/northbridge/intel/haswell/mrc_frag_init_memory.c +++ b/src/northbridge/intel/haswell/mrc_frag_init_memory.c @@ -96,3 +96,19 @@ void set_cpuid(struct cpu_model_id *mycpu) } } } + +int test_memory(void); +int test_memory(void) +{ + for (size_t i = 0; i < 0x1000; i++) { + *(uint8_t*)i = (uint8_t)i; + } + + for (int j = 0; j < 20; j++) { + for (size_t i = 0; i < 0x1000; i++) { + if (*(uint8_t*)i != (uint8_t)i) + return -1; + } + } + return 0; +} diff --git a/src/northbridge/intel/haswell/mrc_init_memory.asm b/src/northbridge/intel/haswell/mrc_init_memory.asm index f03ed18434..43416e8f11 100644 --- a/src/northbridge/intel/haswell/mrc_init_memory.asm +++ b/src/northbridge/intel/haswell/mrc_init_memory.asm @@ -76,6 +76,7 @@ extern frag_fffc1fc3 extern create_raminit_hob extern frag_fffc1cd2 extern set_cpuid +extern test_memory initialize_txt: mov edx, cr4 @@ -578,31 +579,10 @@ or dl, bl jne short loc_fffc22ea ; jne 0xfffc22ea jmp short loc_fffc2311 ; jmp 0xfffc2311 -loc_fffc22e7: -mov byte [eax], al -inc eax - loc_fffc22ea: -cmp eax, 0x1000 -jne short loc_fffc22e7 ; jne 0xfffc22e7 -mov edx, 0x14 -jmp short loc_fffc230d ; jmp 0xfffc230d - -loc_fffc22f8: -cmp byte [eax], cl -jne loc_fffc238d ; jne 0xfffc238d -inc eax - -loc_fffc2301: -cmp eax, 0x1000 -mov cl, al -jne short loc_fffc22f8 ; jne 0xfffc22f8 -dec edx -je short loc_fffc2311 ; je 0xfffc2311 - -loc_fffc230d: -xor eax, eax -jmp short loc_fffc2301 ; jmp 0xfffc2301 +call test_memory +or eax, eax +jne loc_fffc238d loc_fffc2311: mov ecx, dword [ebp - 0x50bc] |