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tile: simplify code referencing hypervisor API addresses 

There's no need to make up new ways of computing the addresses
of the Tilera hypervisor APIs; just use the standard method
of relying on the symbols to provide the addresses.

Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
This commit is contained in:
Chris Metcalf 2013-08-13 15:26:23 -04:00
parent 850a45209d
commit 43b7f2fb58
1 changed files with 8 additions and 17 deletions
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25
arch/tile/kernel/relocate_kernel_32.S
View File

@ -20,15 +20,6 @@
#include <asm/page.h> #include <asm/page.h>
#include <hv/hypervisor.h> #include <hv/hypervisor.h>
#define ___hvb MEM_SV_INTRPT + HV_GLUE_START_CPA
#define ___hv_dispatch(f) (___hvb + (HV_DISPATCH_ENTRY_SIZE * f))
#define ___hv_console_putc ___hv_dispatch(HV_DISPATCH_CONSOLE_PUTC)
#define ___hv_halt ___hv_dispatch(HV_DISPATCH_HALT)
#define ___hv_reexec ___hv_dispatch(HV_DISPATCH_REEXEC)
#define ___hv_flush_remote ___hv_dispatch(HV_DISPATCH_FLUSH_REMOTE)
#undef RELOCATE_NEW_KERNEL_VERBOSE #undef RELOCATE_NEW_KERNEL_VERBOSE
STD_ENTRY(relocate_new_kernel) STD_ENTRY(relocate_new_kernel)
@ -43,8 +34,8 @@ STD_ENTRY(relocate_new_kernel)
addi sp, sp, -8 addi sp, sp, -8
/* we now have a stack (whether we need one or not) */ /* we now have a stack (whether we need one or not) */
moveli r40, lo16(___hv_console_putc) moveli r40, lo16(hv_console_putc)
auli r40, r40, ha16(___hv_console_putc) auli r40, r40, ha16(hv_console_putc)
#ifdef RELOCATE_NEW_KERNEL_VERBOSE #ifdef RELOCATE_NEW_KERNEL_VERBOSE
moveli r0, 'r' moveli r0, 'r'
@ -114,11 +105,11 @@ STD_ENTRY(relocate_new_kernel)
} }
{ {
move r8, zero /* asids */ move r8, zero /* asids */
moveli r20, lo16(___hv_flush_remote) moveli r20, lo16(hv_flush_remote)
} }
{ {
move r9, zero /* asidcount */ move r9, zero /* asidcount */
auli r20, r20, ha16(___hv_flush_remote) auli r20, r20, ha16(hv_flush_remote)
} }
jalr r20 jalr r20
@ -175,8 +166,8 @@ STD_ENTRY(relocate_new_kernel)
move r0, r32 move r0, r32
moveli r1, 0 /* arg to hv_reexec is 64 bits */ moveli r1, 0 /* arg to hv_reexec is 64 bits */
moveli r41, lo16(___hv_reexec) moveli r41, lo16(hv_reexec)
auli r41, r41, ha16(___hv_reexec) auli r41, r41, ha16(hv_reexec)
jalr r41 jalr r41
@ -267,8 +258,8 @@ STD_ENTRY(relocate_new_kernel)
moveli r0, '\n' moveli r0, '\n'
jalr r40 jalr r40
.Lhalt: .Lhalt:
moveli r41, lo16(___hv_halt) moveli r41, lo16(hv_halt)
auli r41, r41, ha16(___hv_halt) auli r41, r41, ha16(hv_halt)
jalr r41 jalr r41
STD_ENDPROC(relocate_new_kernel) STD_ENDPROC(relocate_new_kernel)