void romStart
(
FAST int startType /* start type */
)
{
#if (CPU_FAMILY == PPC) || (CPU_FAMILY == MIPS)
/*
* For PPC and MIPS, the call to vxSdaInit() must be the first operation
* in sysStart(). This is because vxSdaInit() sets the SDA registers
* (r2 and r13 on PPC, gp on MIPS) to the SDA base values. No C code
* must be placed before this call.
*/
_WRS_ASM (""); /* code barrier to prevent compiler moving vxSdaInit() */
vxSdaInit (); /* this MUST be the first operation in usrInit() for PPC */
_WRS_ASM (""); /* code barrier to prevent compiler moving vxSdaInit() */
#endif /* (CPU_FAMILY == PPC) || (CPU_FAMILY == MIPS) */
/* relocate the data segment into RAM */
copyLongs ((UINT *)ROM_DATA_ADRS, (UINT *)UNCACHED(RAM_DATA_ADRS),
((UINT)wrs_kernel_data_end - (UINT)RAM_DATA_ADRS) / sizeof (long));
#ifdef BSP_BOOT_CACHE_SYNC
/* Text has been copied from flash, call BSP provided cacheTextUpdate */
BSP_BOOT_CACHE_SYNC;
#endif /* BSP_BOOT_CACHE_SYNC */
/* If cold booting, clear memory to avoid parity errors */
#ifdef ROMSTART_BOOT_CLEAR
if (startType & BOOT_CLEAR)
bootClear();
#endif
#ifdef BSP_BOOT_CACHE_SYNC_POST
BSP_BOOT_CACHE_SYNC_POST;
#endif /* BSP_BOOT_CACHE_SYNC_POST */
/* and jump to the entry */
#ifdef INCLUDE_UEFI_BOOT_SUPPORT
/* For UEFI we must pass the UEFI memory map and ACPI pointer */
usrInit (startType, pRomUefiMemAddr, pRomUefiAcpiAddr);
#else
usrInit (startType);
#endif
}
void usrEntry (int startType)
{
#if (CPU_FAMILY==I960)
sysInitAlt (startType); /* jump to the i960 entry point */
#endif
#if (CPU_FAMILY==MIPS)
WRS_ASM (".extern _gp; la $gp,_gp");
#endif
usrInit (startType); /* all others procede below */
}