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| author | Michal Idziorek <m.i@gmx.at> | 2014-08-29 15:20:17 +0200 |
|---|---|---|
| committer | Michal Idziorek <m.i@gmx.at> | 2014-08-29 15:20:17 +0200 |
| commit | 659f1f1ae057c82a154a1fd32cc9dca040979daa (patch) | |
| tree | 41afd3afb1b3e29ea6bf8445e1a7b284e7043368 /kernel | |
| parent | 1cb4a8a202023958589d563ad132d701e27c008a (diff) | |
experimenting with a20 gate
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/kernel.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/kernel/kernel.c b/kernel/kernel.c index 3296b37..7d9b848 100644 --- a/kernel/kernel.c +++ b/kernel/kernel.c @@ -102,12 +102,18 @@ void kernel_main() //init shell shell_init(); + /* -/* log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem"); - uint8_t *memtest=0x1fffffff; + + // test a20 disabled / wrap + uint8_t *memtest=0x0; + uint8_t *memtest2=0b10000000000000000000; + *memtest=0xaf; - log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem %x",*memtest); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem %x",*(memtest2-1)); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem %x",*memtest2); + log(FOOLOS_MODULE_NAME,FOOLOS_LOG_INFO,"test mem %x",*(memtest2+1)); */ |