diff options
Diffstat (limited to 'src/include/bootloader/bootloaderif.H')
| -rw-r--r-- | src/include/bootloader/bootloaderif.H | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/src/include/bootloader/bootloaderif.H b/src/include/bootloader/bootloaderif.H index fc810dc4b..a418d047b 100644 --- a/src/include/bootloader/bootloaderif.H +++ b/src/include/bootloader/bootloaderif.H @@ -42,13 +42,21 @@ namespace Bootloader{ #define MAX_HBB_SIZE (512 * KILOBYTE) -// The Bootloader to Hostboot communication area exists after the working HBB +// Location of running copy of HBB #ifdef BOOTLOADER -#define BLTOHB_COMM_DATA_ADDR (getHRMOR() - ( 2*MEGABYTE) + MAX_HBB_SIZE) +#define HBB_HRMOR (getHRMOR() - ( 2*MEGABYTE)) +#define HBB_RUNNING_ADDR (getHRMOR() - ( 2*MEGABYTE)) #else -#define BLTOHB_COMM_DATA_ADDR (getHRMOR() + MAX_HBB_SIZE) +#define HBB_HRMOR (getHRMOR()) +#define HBB_RUNNING_ADDR (getHRMOR()) #endif +// Different Locations of BlToHBData struct over time. +// New values make "_LATEST" and switch current "_LATEST" to "V<N>" +// NOTE: Done this way to limit code space. +#define BLTOHB_COMM_DATA_ADDR_V1 (HBB_HRMOR + 512*KILOBYTE) +#define BLTOHB_COMM_DATA_ADDR_LATEST (HBB_HRMOR + MAX_HBB_SIZE) + // Expected BlToHbData eye catch const uint64_t BLTOHB_EYECATCHER = 0x23626C746F686200; // #BLTOHB\0 |
