Signed-off-by: Mark Cave-Ayland mark.cave-ayland@ilande.co.uk --- arch/sparc64/build.xml | 1 + arch/sparc64/cpu.fs | 156 ++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 157 insertions(+) create mode 100644 arch/sparc64/cpu.fs
diff --git a/arch/sparc64/build.xml b/arch/sparc64/build.xml index 3a1cd34..c5afb82 100644 --- a/arch/sparc64/build.xml +++ b/arch/sparc64/build.xml @@ -1,6 +1,7 @@ <build condition="SPARC64">
<dictionary name="openbios-sparc64" init="openbios"> + <object source="cpu.fs" target="forth"/> <object source="tree.fs" target="forth"/> <object source="init.fs" target="forth"/> <object source="QEMU,VGA.bin" target="fcode" condition="DRIVER_VGA"/> diff --git a/arch/sparc64/cpu.fs b/arch/sparc64/cpu.fs new file mode 100644 index 0000000..b0aa611 --- /dev/null +++ b/arch/sparc64/cpu.fs @@ -0,0 +1,156 @@ +include config.fs + +\ SPARC64 trap registers + +: %tl-c saved-context h# c8 + @ ; + +: tl-offset ( level -- offset ) + h# 20 * h# 4e0 h# 60 + swap - ; +; + +: %tpc ( level -- n ) tl-offset saved-context + @ ; +: %tnpc ( level -- n ) tl-offset saved-context + h# 8 + @ ; +: %tstate ( level -- n ) tl-offset saved-context + h# 10 + @ ; +: %tt ( level -- n ) tl-offset saved-context + h# 18 + @ ; + +: .trap-registers + cr + s" %tl-c: " type %tl-c u. cr + s" %tpc: " type %tl-c %tpc u. cr + s" %tnpc: " type %tl-c %tnpc u. cr + s" %tstate: " type %tl-c %tstate u. cr + s" %tt: " type %tl-c %tt u. cr +; + +: trap? %tl-c 0 > if true else false then ; + +\ SPARC64 cpu registers + +: %g0 0 ; +: %g1 saved-context h# 30 + @ ; +: %g2 saved-context h# 38 + @ ; +: %g3 saved-context h# 40 + @ ; +: %g4 saved-context h# 48 + @ ; +: %g5 saved-context h# 50 + @ ; +: %g6 saved-context h# 58 + @ ; +: %g7 saved-context h# 60 + @ ; + +: %pc + trap? if + %tl-c %tpc + else + saved-context h# 4d0 + @ + then +; + +: %npc + trap? if + %tl-c %tnpc + else + saved-context h# 4d8 + @ + then +; + +: set-pc ( addr ) + saved-context h# 4d0 + + ! +; + +: %pstate saved-context h# b0 + @ ; +: %y saved-context h# b8 + @ ; + +: %cwp saved-context @ ; +: %cansave saved-context h# 8 + @ ; +: %canrestore saved-context h# 10 + @ ; +: %otherwin saved-context h# 18 + @ ; +: %wstate saved-context h# 20 + @ ; +: %cleanwin saved-context h# 28 + @ ; + +: .globals + cr + s" %pstate: " type %pstate u. cr + s" %y: " type %y u. cr + s" %pc: " type %pc u. cr + s" %npc: " type %npc u. cr + s" %cwp: " type %cwp u. cr + s" %cansave: " type %cansave u. cr + s" %canrestore: " type %canrestore u. cr + s" %otherwin: " type %otherwin u. cr + s" %wstate: " type %wstate u. cr + s" %cleanwin: " type %cleanwin u. cr + s" %g0: " type %g0 u. cr + s" %g1: " type %g1 u. cr + s" %g2: " type %g2 u. cr + s" %g3: " type %g3 u. cr + s" %g4: " type %g4 u. cr + s" %g5: " type %g5 u. cr + s" %g6: " type %g6 u. cr + s" %g7: " type %g7 u. cr +; + +\ Local registers +\ WARNING: currently only window 0 (current window) supported + +: %o0 saved-context h# 70 + @ ; +: %o1 saved-context h# 78 + @ ; +: %o2 saved-context h# 80 + @ ; +: %o3 saved-context h# 88 + @ ; +: %o4 saved-context h# 90 + @ ; +: %o5 saved-context h# 98 + @ ; +: %o6 saved-context h# a0 + @ ; +: %o7 saved-context h# a8 + @ ; + +: %l0 saved-context h# d0 + @ ; +: %l1 saved-context h# d8 + @ ; +: %l2 saved-context h# e0 + @ ; +: %l3 saved-context h# e8 + @ ; +: %l4 saved-context h# f0 + @ ; +: %l5 saved-context h# f8 + @ ; +: %l6 saved-context h# 100 + @ ; +: %l7 saved-context h# 108 + @ ; + +: %i0 saved-context h# 110 + @ ; +: %i1 saved-context h# 118 + @ ; +: %i2 saved-context h# 120 + @ ; +: %i3 saved-context h# 128 + @ ; +: %i4 saved-context h# 130 + @ ; +: %i5 saved-context h# 138 + @ ; +: %i6 saved-context h# 140 + @ ; +: %i7 saved-context h# 148 + @ ; + +: .locals + cr + s" %o0: " type %o0 u. cr + s" %o1: " type %o1 u. cr + s" %o2: " type %o2 u. cr + s" %o3: " type %o3 u. cr + s" %o4: " type %o4 u. cr + s" %o5: " type %o5 u. cr + s" %o6: " type %o6 u. cr + s" %o7: " type %o7 u. cr + cr + s" %l0: " type %l0 u. cr + s" %l1: " type %l1 u. cr + s" %l2: " type %l2 u. cr + s" %l3: " type %l3 u. cr + s" %l4: " type %l4 u. cr + s" %l5: " type %l5 u. cr + s" %l6: " type %l6 u. cr + s" %l7: " type %l7 u. cr + cr + s" %i0: " type %i0 u. cr + s" %i1: " type %i1 u. cr + s" %i2: " type %i2 u. cr + s" %i3: " type %i3 u. cr + s" %i4: " type %i4 u. cr + s" %i5: " type %i5 u. cr + s" %i6: " type %i6 u. cr + s" %i7: " type %i7 u. cr +; + +: .registers + .globals .locals +; + +\ Used by Milax +variable warning