extern void prom_world(int);
-void prom_cif_interface (void)
-{
- __asm__ __volatile__ (
-" mov %0, %%o0\n"
-" ldx [%%o0 + 0x010], %%o1 ! prom_cif_stack\n"
-" save %%o1, -0x190, %%sp\n"
-" ldx [%%i0 + 0x008], %%l2 ! prom_cif_handler\n"
-" rdpr %%pstate, %%l4\n"
-" wrpr %%g0, 0x15, %%pstate ! save alternate globals\n"
-" stx %%g1, [%%sp + 2047 + 0x0b0]\n"
-" stx %%g2, [%%sp + 2047 + 0x0b8]\n"
-" stx %%g3, [%%sp + 2047 + 0x0c0]\n"
-" stx %%g4, [%%sp + 2047 + 0x0c8]\n"
-" stx %%g5, [%%sp + 2047 + 0x0d0]\n"
-" stx %%g6, [%%sp + 2047 + 0x0d8]\n"
-" stx %%g7, [%%sp + 2047 + 0x0e0]\n"
-" wrpr %%g0, 0x814, %%pstate ! save interrupt globals\n"
-" stx %%g1, [%%sp + 2047 + 0x0e8]\n"
-" stx %%g2, [%%sp + 2047 + 0x0f0]\n"
-" stx %%g3, [%%sp + 2047 + 0x0f8]\n"
-" stx %%g4, [%%sp + 2047 + 0x100]\n"
-" stx %%g5, [%%sp + 2047 + 0x108]\n"
-" stx %%g6, [%%sp + 2047 + 0x110]\n"
-" stx %%g7, [%%sp + 2047 + 0x118]\n"
-" wrpr %%g0, 0x14, %%pstate ! save normal globals\n"
-" stx %%g1, [%%sp + 2047 + 0x120]\n"
-" stx %%g2, [%%sp + 2047 + 0x128]\n"
-" stx %%g3, [%%sp + 2047 + 0x130]\n"
-" stx %%g4, [%%sp + 2047 + 0x138]\n"
-" stx %%g5, [%%sp + 2047 + 0x140]\n"
-" stx %%g6, [%%sp + 2047 + 0x148]\n"
-" stx %%g7, [%%sp + 2047 + 0x150]\n"
-" wrpr %%g0, 0x414, %%pstate ! save mmu globals\n"
-" stx %%g1, [%%sp + 2047 + 0x158]\n"
-" stx %%g2, [%%sp + 2047 + 0x160]\n"
-" stx %%g3, [%%sp + 2047 + 0x168]\n"
-" stx %%g4, [%%sp + 2047 + 0x170]\n"
-" stx %%g5, [%%sp + 2047 + 0x178]\n"
-" stx %%g6, [%%sp + 2047 + 0x180]\n"
-" stx %%g7, [%%sp + 2047 + 0x188]\n"
-" mov %%g1, %%l0 ! also save to locals, so we can handle\n"
-" mov %%g2, %%l1 ! tlb faults later on, when accessing\n"
-" mov %%g3, %%l3 ! the stack.\n"
-" mov %%g7, %%l5\n"
-" wrpr %%l4, %1, %%pstate ! turn off interrupts\n"
-" call %%l2\n"
-" add %%i0, 0x018, %%o0 ! prom_args\n"
-" wrpr %%g0, 0x414, %%pstate ! restore mmu globals\n"
-" mov %%l0, %%g1\n"
-" mov %%l1, %%g2\n"
-" mov %%l3, %%g3\n"
-" mov %%l5, %%g7\n"
-" wrpr %%g0, 0x14, %%pstate ! restore normal globals\n"
-" ldx [%%sp + 2047 + 0x120], %%g1\n"
-" ldx [%%sp + 2047 + 0x128], %%g2\n"
-" ldx [%%sp + 2047 + 0x130], %%g3\n"
-" ldx [%%sp + 2047 + 0x138], %%g4\n"
-" ldx [%%sp + 2047 + 0x140], %%g5\n"
-" ldx [%%sp + 2047 + 0x148], %%g6\n"
-" ldx [%%sp + 2047 + 0x150], %%g7\n"
-" wrpr %%g0, 0x814, %%pstate ! restore interrupt globals\n"
-" ldx [%%sp + 2047 + 0x0e8], %%g1\n"
-" ldx [%%sp + 2047 + 0x0f0], %%g2\n"
-" ldx [%%sp + 2047 + 0x0f8], %%g3\n"
-" ldx [%%sp + 2047 + 0x100], %%g4\n"
-" ldx [%%sp + 2047 + 0x108], %%g5\n"
-" ldx [%%sp + 2047 + 0x110], %%g6\n"
-" ldx [%%sp + 2047 + 0x118], %%g7\n"
-" wrpr %%g0, 0x15, %%pstate ! restore alternate globals\n"
-" ldx [%%sp + 2047 + 0x0b0], %%g1\n"
-" ldx [%%sp + 2047 + 0x0b8], %%g2\n"
-" ldx [%%sp + 2047 + 0x0c0], %%g3\n"
-" ldx [%%sp + 2047 + 0x0c8], %%g4\n"
-" ldx [%%sp + 2047 + 0x0d0], %%g5\n"
-" ldx [%%sp + 2047 + 0x0d8], %%g6\n"
-" ldx [%%sp + 2047 + 0x0e0], %%g7\n"
-" wrpr %%l4, 0, %%pstate ! restore original pstate\n"
-" ret\n"
-" restore\n"
-" " : : "r" (&p1275buf), "i" (PSTATE_IE));
-}
-
-void prom_cif_callback(void)
-{
- __asm__ __volatile__ (
-" mov %0, %%o1\n"
-" save %%sp, -0x270, %%sp\n"
-" rdpr %%pstate, %%l4\n"
-" wrpr %%g0, 0x15, %%pstate ! save PROM alternate globals\n"
-" stx %%g1, [%%sp + 2047 + 0x0b0]\n"
-" stx %%g2, [%%sp + 2047 + 0x0b8]\n"
-" stx %%g3, [%%sp + 2047 + 0x0c0]\n"
-" stx %%g4, [%%sp + 2047 + 0x0c8]\n"
-" stx %%g5, [%%sp + 2047 + 0x0d0]\n"
-" stx %%g6, [%%sp + 2047 + 0x0d8]\n"
-" stx %%g7, [%%sp + 2047 + 0x0e0]\n"
-" ! restore Linux alternate globals\n"
-" ldx [%%sp + 2047 + 0x190], %%g1\n"
-" ldx [%%sp + 2047 + 0x198], %%g2\n"
-" ldx [%%sp + 2047 + 0x1a0], %%g3\n"
-" ldx [%%sp + 2047 + 0x1a8], %%g4\n"
-" ldx [%%sp + 2047 + 0x1b0], %%g5\n"
-" ldx [%%sp + 2047 + 0x1b8], %%g6\n"
-" ldx [%%sp + 2047 + 0x1c0], %%g7\n"
-" wrpr %%g0, 0x814, %%pstate ! save PROM interrupt globals\n"
-" stx %%g1, [%%sp + 2047 + 0x0e8]\n"
-" stx %%g2, [%%sp + 2047 + 0x0f0]\n"
-" stx %%g3, [%%sp + 2047 + 0x0f8]\n"
-" stx %%g4, [%%sp + 2047 + 0x100]\n"
-" stx %%g5, [%%sp + 2047 + 0x108]\n"
-" stx %%g6, [%%sp + 2047 + 0x110]\n"
-" stx %%g7, [%%sp + 2047 + 0x118]\n"
-" ! restore Linux interrupt globals\n"
-" ldx [%%sp + 2047 + 0x1c8], %%g1\n"
-" ldx [%%sp + 2047 + 0x1d0], %%g2\n"
-" ldx [%%sp + 2047 + 0x1d8], %%g3\n"
-" ldx [%%sp + 2047 + 0x1e0], %%g4\n"
-" ldx [%%sp + 2047 + 0x1e8], %%g5\n"
-" ldx [%%sp + 2047 + 0x1f0], %%g6\n"
-" ldx [%%sp + 2047 + 0x1f8], %%g7\n"
-" wrpr %%g0, 0x14, %%pstate ! save PROM normal globals\n"
-" stx %%g1, [%%sp + 2047 + 0x120]\n"
-" stx %%g2, [%%sp + 2047 + 0x128]\n"
-" stx %%g3, [%%sp + 2047 + 0x130]\n"
-" stx %%g4, [%%sp + 2047 + 0x138]\n"
-" stx %%g5, [%%sp + 2047 + 0x140]\n"
-" stx %%g6, [%%sp + 2047 + 0x148]\n"
-" stx %%g7, [%%sp + 2047 + 0x150]\n"
-" ! restore Linux normal globals\n"
-" ldx [%%sp + 2047 + 0x200], %%g1\n"
-" ldx [%%sp + 2047 + 0x208], %%g2\n"
-" ldx [%%sp + 2047 + 0x210], %%g3\n"
-" ldx [%%sp + 2047 + 0x218], %%g4\n"
-" ldx [%%sp + 2047 + 0x220], %%g5\n"
-" ldx [%%sp + 2047 + 0x228], %%g6\n"
-" ldx [%%sp + 2047 + 0x230], %%g7\n"
-" wrpr %%g0, 0x414, %%pstate ! save PROM mmu globals\n"
-" stx %%g1, [%%sp + 2047 + 0x158]\n"
-" stx %%g2, [%%sp + 2047 + 0x160]\n"
-" stx %%g3, [%%sp + 2047 + 0x168]\n"
-" stx %%g4, [%%sp + 2047 + 0x170]\n"
-" stx %%g5, [%%sp + 2047 + 0x178]\n"
-" stx %%g6, [%%sp + 2047 + 0x180]\n"
-" stx %%g7, [%%sp + 2047 + 0x188]\n"
-" ! restore Linux mmu globals\n"
-" ldx [%%sp + 2047 + 0x238], %%o0\n"
-" ldx [%%sp + 2047 + 0x240], %%o1\n"
-" ldx [%%sp + 2047 + 0x248], %%l2\n"
-" ldx [%%sp + 2047 + 0x250], %%l3\n"
-" ldx [%%sp + 2047 + 0x258], %%l5\n"
-" ldx [%%sp + 2047 + 0x260], %%l6\n"
-" ldx [%%sp + 2047 + 0x268], %%l7\n"
-" ! switch to Linux tba\n"
-" sethi %%hi(sparc64_ttable_tl0), %%l1\n"
-" rdpr %%tba, %%l0 ! save PROM tba\n"
-" mov %%o0, %%g1\n"
-" mov %%o1, %%g2\n"
-" mov %%l2, %%g3\n"
-" mov %%l3, %%g4\n"
-" mov %%l5, %%g5\n"
-" mov %%l6, %%g6\n"
-" mov %%l7, %%g7\n"
-" wrpr %%l1, %%tba ! install Linux tba\n"
-" wrpr %%l4, 0, %%pstate ! restore PSTATE\n"
-" call prom_world\n"
-" mov %%g0, %%o0\n"
-" ldx [%%i1 + 0x000], %%l2\n"
-" call %%l2\n"
-" mov %%i0, %%o0\n"
-" mov %%o0, %%l1\n"
-" call prom_world\n"
-" or %%g0, 1, %%o0\n"
-" wrpr %%g0, 0x14, %%pstate ! interrupts off\n"
-" ! restore PROM mmu globals\n"
-" ldx [%%sp + 2047 + 0x158], %%o0\n"
-" ldx [%%sp + 2047 + 0x160], %%o1\n"
-" ldx [%%sp + 2047 + 0x168], %%l2\n"
-" ldx [%%sp + 2047 + 0x170], %%l3\n"
-" ldx [%%sp + 2047 + 0x178], %%l5\n"
-" ldx [%%sp + 2047 + 0x180], %%l6\n"
-" ldx [%%sp + 2047 + 0x188], %%l7\n"
-" wrpr %%g0, 0x414, %%pstate ! restore PROM mmu globals\n"
-" mov %%o0, %%g1\n"
-" mov %%o1, %%g2\n"
-" mov %%l2, %%g3\n"
-" mov %%l3, %%g4\n"
-" mov %%l5, %%g5\n"
-" mov %%l6, %%g6\n"
-" mov %%l7, %%g7\n"
-" wrpr %%l0, %%tba ! restore PROM tba\n"
-" wrpr %%g0, 0x14, %%pstate ! restore PROM normal globals\n"
-" ldx [%%sp + 2047 + 0x120], %%g1\n"
-" ldx [%%sp + 2047 + 0x128], %%g2\n"
-" ldx [%%sp + 2047 + 0x130], %%g3\n"
-" ldx [%%sp + 2047 + 0x138], %%g4\n"
-" ldx [%%sp + 2047 + 0x140], %%g5\n"
-" ldx [%%sp + 2047 + 0x148], %%g6\n"
-" ldx [%%sp + 2047 + 0x150], %%g7\n"
-" wrpr %%g0, 0x814, %%pstate ! restore PROM interrupt globals\n"
-" ldx [%%sp + 2047 + 0x0e8], %%g1\n"
-" ldx [%%sp + 2047 + 0x0f0], %%g2\n"
-" ldx [%%sp + 2047 + 0x0f8], %%g3\n"
-" ldx [%%sp + 2047 + 0x100], %%g4\n"
-" ldx [%%sp + 2047 + 0x108], %%g5\n"
-" ldx [%%sp + 2047 + 0x110], %%g6\n"
-" ldx [%%sp + 2047 + 0x118], %%g7\n"
-" wrpr %%g0, 0x15, %%pstate ! restore PROM alternate globals\n"
-" ldx [%%sp + 2047 + 0x0b0], %%g1\n"
-" ldx [%%sp + 2047 + 0x0b8], %%g2\n"
-" ldx [%%sp + 2047 + 0x0c0], %%g3\n"
-" ldx [%%sp + 2047 + 0x0c8], %%g4\n"
-" ldx [%%sp + 2047 + 0x0d0], %%g5\n"
-" ldx [%%sp + 2047 + 0x0d8], %%g6\n"
-" ldx [%%sp + 2047 + 0x0e0], %%g7\n"
-" wrpr %%l4, 0, %%pstate\n"
-" ret\n"
-" restore %%l1, 0, %%o0\n"
-" " : : "r" (&p1275buf), "i" (PSTATE_PRIV));
-}
+extern void prom_cif_interface(void);
+extern void prom_cif_callback(void);
/*
* This provides SMP safety on the p1275buf. prom_callback() drops this lock
* to allow recursuve acquisition.
*/
-spinlock_t prom_entry_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(prom_entry_lock);
long p1275_cmd (char *service, long fmt, ...)
{
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