| /kernel/trunk/arch/sparc64/include/trap_table.h |
|---|
| File deleted |
| /kernel/trunk/arch/sparc64/include/asm.h |
|---|
| 85,29 → 85,6 |
| return v; |
| } |
| /** Read Trap Base Address register. |
| * |
| * @return Current value in TBA. |
| */ |
| static inline __u64 tba_read(void) |
| { |
| __u64 v; |
| __asm__ volatile ("rdpr %%tba, %0\n" : "=r" (v)); |
| return v; |
| } |
| /** Write Trap Base Address register. |
| * |
| * @param New value of TBA. |
| */ |
| static inline void tba_write(__u64 v) |
| { |
| __asm__ volatile ("wrpr %0, %1, %%tba\n" : : "r" (v), "i" (0)); |
| } |
| void cpu_halt(void); |
| void cpu_sleep(void); |
| void asm_delay_loop(__u32 t); |
| /kernel/trunk/arch/sparc64/src/trap_table.S |
|---|
| File deleted |
| /kernel/trunk/arch/sparc64/src/context.S |
|---|
| 31,10 → 31,12 |
| /** |
| * Both context_save_arch() and context_restore_arch() are |
| * leaf-optimized procedures. This kind of optimization |
| * is very important and prevents any implicit window |
| * spill/fill/clean traps in these very core kernel |
| * functions. |
| * leaf-optimized procedures. Both of them touch %sp and |
| * %fp and thus break SCD 2.4 compliance. However, these |
| * functions are special enough to be allowed this |
| * kind of behavior. Moreover, this kind of optimization |
| * is very important and prevents any window spill/ |
| * fill/clean traps in these very core kernel functions. |
| */ |
| .text |
| /kernel/trunk/arch/sparc64/src/sparc64.c |
|---|
| 27,10 → 27,6 |
| */ |
| #include <arch.h> |
| #include <print.h> |
| #include <arch/asm.h> |
| #include <memstr.h> |
| #include <arch/trap_table.h> |
| void arch_pre_mm_init(void) |
| { |
| 42,14 → 38,6 |
| void arch_pre_smp_init(void) |
| { |
| /* |
| * Copy OFW's trap table into kernel and point TBA there. |
| */ |
| memcpy((void *) trap_table, (void *) tba_read(), TRAP_TABLE_SIZE); |
| /* |
| * TBA cannot be changed until there are means of getting it into TLB. |
| * tba_write((__u64) trap_table); |
| */ |
| } |
| void arch_post_smp_init(void) |
| /kernel/trunk/arch/sparc64/src/start.S |
|---|
| 51,9 → 51,10 |
| 1: |
| set ofw, %l0 |
| stx %o4, [%l0] |
| call ofw_init |
| stx %o4, [%l0] |
| nop |
| call main_bsp |
| nop |
| /kernel/trunk/arch/sparc64/Makefile.inc |
|---|
| 54,5 → 54,4 |
| arch/$(ARCH)/src/mm/frame.c \ |
| arch/$(ARCH)/src/mm/page.c \ |
| arch/$(ARCH)/src/sparc64.c \ |
| arch/$(ARCH)/src/start.S \ |
| arch/$(ARCH)/src/trap_table.S |
| arch/$(ARCH)/src/start.S |