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Rev Age Author Path Log message Diff
1783 6774 d 2 h jermar /boot/trunk/ Some 32-bit vs. 64-bit fixes.

Make the call to OpenFirmware client interface architecture dependent.
For instance and contrary to my previous experience, the sparc64 version of
'translate' method would not work reliably unless the Address Mask bit in the
PSTATE register is cleared during duration of the call.

sparc64 and ppc32 OpenFirmware seem to differ in details, for example, the above
mentioned method 'translate' signals success by setting the first return value
to -1 on sparc64 while on ppc32 the value is/stays (???) zero.
 
1764 6789 d 1 h jermar /boot/trunk/ Cleanup boot infrastructure: ppc32 (and elsewhere).  
1620 6808 d 6 h decky /boot/trunk/arch/ppc32/loader/ update boot loader API  
1478 6813 d 17 h decky /boot/trunk/ ppc32 bootloader debugging facility  
1372 6827 d 1 h decky /boot/trunk/arch/ppc32/loader/ remove obsolete BAT framebuffer mapping  
1369 6827 d 3 h decky /boot/trunk/arch/ppc32/ support for arbitrary number of boot components for ppc32  
1219 6853 d 0 h decky /boot/trunk/arch/ppc32/ ppc32: support for loading init  
1146 6873 d 8 h decky /boot/trunk/arch/ppc32/loader/ add instruction cache flush
align framebuffer on 128K boundary
change OFW calling method
make OFW code more compatible
 
1131 6882 d 3 h decky /boot/trunk/arch/ppc32/loader/ kernel boot API change  
1130 6882 d 4 h decky /boot/trunk/arch/ppc32/loader/ extend boot info  
1075 6889 d 10 h decky /boot/trunk/arch/ppc32/loader/ relocate boot loader structures if needed
(allowing to boot on stupid OFW implementations)
 
1068 6889 d 21 h decky /boot/trunk/arch/ppc32/loader/ proper ppc32 initial memory mapping  
1058 6890 d 4 h decky /boot/trunk/arch/ppc32/loader/ relocate kernel in real mode  
1022 6891 d 4 h decky /boot/trunk/arch/ppc32/loader/ ppc32: boot using real mode trampoline
setup segment registers so far
 
986 6892 d 6 h decky /boot/trunk/arch/ppc32/loader/ ppc32: support for exception vectors  
981 6892 d 8 h decky /boot/trunk/arch/ppc32/loader/ temporal CUDA (VIA 6805) mapping  
971 6892 d 11 h decky /boot/trunk/arch/ppc32/loader/ ppc32: move kernel one frame up  
969 6892 d 12 h decky /boot/trunk/arch/ppc32/loader/ map almost all physical memory
remap framebuffer to a different location
 
964 6892 d 14 h decky /boot/trunk/arch/ppc32/loader/ ofw code cleanup
get memory map from ofw
 
956 6893 d 3 h decky /boot/trunk/arch/ppc32/loader/ relocate ppc32 kernel above 2 GB  

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