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Merge remote-tracking branch 'anton/abiv2' into next

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This series adds support for building the powerpc 64-bit
LE kernel using the new ABI v2. We already supported
running ABI v2 userspace programs but this adds support
for building the kernel itself using the new ABI.
This commit is contained in:
Benjamin Herrenschmidt
2014-05-05 20:33:10 +10:00
parent 5a4e58bc69 cec4b7eaf0
commit f6869e7fe6
55 changed files with 904 additions and 682 deletions
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13
arch/powerpc/kernel/tm.S
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@@ -42,7 +42,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX); \
/* Stack frame offsets for local variables. */
#define TM_FRAME_L0 TM_FRAME_SIZE-16
#define TM_FRAME_L1 TM_FRAME_SIZE-8
#define STACK_PARAM(x) (48+((x)*8))
/* In order to access the TM SPRs, TM must be enabled. So, do so: */
@@ -109,12 +108,12 @@ _GLOBAL(tm_reclaim)
mflr r0
stw r6, 8(r1)
std r0, 16(r1)
std r2, 40(r1)
std r2, STK_GOT(r1)
stdu r1, -TM_FRAME_SIZE(r1)
/* We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD]. */
std r3, STACK_PARAM(0)(r1)
std r3, STK_PARAM(R3)(r1)
SAVE_NVGPRS(r1)
/* We need to setup MSR for VSX register save instructions. Here we
@@ -210,7 +209,7 @@ dont_backup_fp:
/* Now get some more GPRS free */
std r7, GPR7(r1) /* Temporary stash */
std r12, GPR12(r1) /* '' '' '' */
ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */
ld r12, STK_PARAM(R3)(r1) /* Param 0, thread_struct * */
std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */
@@ -297,7 +296,7 @@ dont_backup_fp:
ld r0, 16(r1)
mtcr r4
mtlr r0
ld r2, 40(r1)
ld r2, STK_GOT(r1)
/* Load system default DSCR */
ld r4, DSCR_DEFAULT@toc(r2)
@@ -320,7 +319,7 @@ _GLOBAL(__tm_recheckpoint)
mflr r0
stw r5, 8(r1)
std r0, 16(r1)
std r2, 40(r1)
std r2, STK_GOT(r1)
stdu r1, -TM_FRAME_SIZE(r1)
/* We've a struct pt_regs at [r1+STACK_FRAME_OVERHEAD].
@@ -478,7 +477,7 @@ restore_gprs:
ld r0, 16(r1)
mtcr r4
mtlr r0
ld r2, 40(r1)
ld r2, STK_GOT(r1)
/* Load system default DSCR */
ld r4, DSCR_DEFAULT@toc(r2)