| 27,6 → 27,7 |
|---|
| # |
| |
| #include <arch/arch.h> |
| #include <arch/cpu.h> |
| #include <arch/regdef.h> |
| #include <arch/boot/boot.h> |
| #include <arch/stack.h> |
| 297,15 → 298,32 |
|---|
| nop |
| |
| |
| 1: |
| #ifdef CONFIG_SMP |
| /* |
| * Determine the width of the MID and save its mask to %g3. The width |
| * is |
| * * 5 for US and US-IIIi, |
| * * 10 for US3 except US-IIIi. |
| */ |
| #if defined(US) |
| mov 0x1f, %g3 |
| #elif defined(US3) |
| mov 0x3ff, %g3 |
| rdpr %ver, %g2 |
| sllx %g2, 16, %g2 |
| srlx %g2, 48, %g2 |
| cmp %g2, IMPL_ULTRASPARCIII_I |
| move %xcc, 0x1f, %g3 |
| #endif |
| |
| /* |
| * Read MID from the processor. |
| */ |
| 1: |
| ldxa [%g0] ASI_ICBUS_CONFIG, %g1 |
| srlx %g1, ICBUS_CONFIG_MID_SHIFT, %g1 |
| and %g1, ICBUS_CONFIG_MID_MASK, %g1 |
| and %g1, %g3, %g1 |
| |
| #ifdef CONFIG_SMP |
| /* |
| * Active loop for APs until the BSP picks them up. A processor cannot |
| * leave the loop until the global variable 'waking_up_mid' equals its |