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Rev Age Author Path Log message Diff
1783 5673d 15h 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 5688d 14h jermar /boot/trunk/ Cleanup boot infrastructure: ppc32 (and elsewhere).  
1620 5707d 18h decky /boot/trunk/arch/ppc32/loader/ update boot loader API  
1478 5713d 06h decky /boot/trunk/ ppc32 bootloader debugging facility  
1372 5726d 13h decky /boot/trunk/arch/ppc32/loader/ remove obsolete BAT framebuffer mapping  
1369 5726d 16h decky /boot/trunk/arch/ppc32/ support for arbitrary number of boot components for ppc32  
1219 5752d 13h decky /boot/trunk/arch/ppc32/ ppc32: support for loading init  
1146 5772d 20h 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 5781d 16h decky /boot/trunk/arch/ppc32/loader/ kernel boot API change  
1130 5781d 17h decky /boot/trunk/arch/ppc32/loader/ extend boot info  
1075 5788d 23h decky /boot/trunk/arch/ppc32/loader/ relocate boot loader structures if needed
(allowing to boot on stupid OFW implementations)
 
1068 5789d 09h decky /boot/trunk/arch/ppc32/loader/ proper ppc32 initial memory mapping  
1058 5789d 17h decky /boot/trunk/arch/ppc32/loader/ relocate kernel in real mode  
1022 5790d 17h decky /boot/trunk/arch/ppc32/loader/ ppc32: boot using real mode trampoline
setup segment registers so far
 
986 5791d 19h decky /boot/trunk/arch/ppc32/loader/ ppc32: support for exception vectors  
981 5791d 20h decky /boot/trunk/arch/ppc32/loader/ temporal CUDA (VIA 6805) mapping  
971 5792d 00h decky /boot/trunk/arch/ppc32/loader/ ppc32: move kernel one frame up  
969 5792d 00h decky /boot/trunk/arch/ppc32/loader/ map almost all physical memory
remap framebuffer to a different location
 
964 5792d 02h decky /boot/trunk/arch/ppc32/loader/ ofw code cleanup
get memory map from ofw
 
956 5792d 15h decky /boot/trunk/arch/ppc32/loader/ relocate ppc32 kernel above 2 GB  

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