Author: mcayland Date: Tue Dec 29 16:50:41 2015 New Revision: 1365 URL: http://tracker.coreboot.org/trac/openbios/changeset/1365
Log: SPARC64: reorganise IMMU/DMMU trap context structure
Here the trap context is reorganised to share the same prologue as the CIF context so that they can be subsequently unified.
Signed-off-by: Mark Cave-Ayland mark.cave-ayland@ilande.co.uk
Added: trunk/openbios-devel/arch/sparc64/cpustate.h - copied, changed from r1364, trunk/openbios-devel/arch/sparc64/call-client.S Modified: trunk/openbios-devel/arch/sparc64/call-client.S trunk/openbios-devel/arch/sparc64/vectors.S
Modified: trunk/openbios-devel/arch/sparc64/call-client.S ============================================================================== --- trunk/openbios-devel/arch/sparc64/call-client.S Tue Dec 29 16:50:39 2015 (r1364) +++ trunk/openbios-devel/arch/sparc64/call-client.S Tue Dec 29 16:50:41 2015 (r1365) @@ -1,3 +1,5 @@ +#include "cpustate.h" + .globl sparc64_of_client_interface, client_tba
@@ -9,142 +11,6 @@ * behaviour of OBP. */
-#define SAVE_WINDOW_STATE(type) \ - rdpr %cwp, %g7; \ - stx %g7, [%g1]; \ - rdpr %cansave, %g7; \ - stx %g7, [%g1 + 0x8]; \ - rdpr %canrestore, %g7; \ - stx %g7, [%g1 + 0x10]; \ - rdpr %otherwin, %g7; \ - stx %g7, [%g1 + 0x18]; \ - rdpr %wstate, %g7; \ - stx %g7, [%g1 + 0x20]; \ - rdpr %cleanwin, %g7; \ - stx %g7, [%g1 + 0x28]; \ - \ - stx %o0, [%g1 + 0x30]; \ - stx %o1, [%g1 + 0x38]; \ - stx %o2, [%g1 + 0x40]; \ - stx %o3, [%g1 + 0x48]; \ - stx %o4, [%g1 + 0x50]; \ - stx %o5, [%g1 + 0x58]; \ - stx %o6, [%g1 + 0x60]; \ - stx %o7, [%g1 + 0x68]; \ - \ - rdpr %pstate, %g7; \ - stx %g7, [%g1 + 0x70]; \ - rd %y, %g7; \ - stx %g7, [%g1 + 0x78]; \ - rd %fprs, %g7; \ - stx %g7, [%g1 + 0x80]; \ - \ - /* Now iterate through all of the windows saving all l and i registers */ \ - add %g1, 0x90, %g5; \ - \ - /* Get the number of windows in %g6 */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - inc %g6; \ - \ -save_cpu_window_##type: \ - deccc %g6; \ - wrpr %g6, %cwp; \ - stx %l0, [%g5]; \ - stx %l1, [%g5 + 0x8]; \ - stx %l2, [%g5 + 0x10]; \ - stx %l3, [%g5 + 0x18]; \ - stx %l4, [%g5 + 0x20]; \ - stx %l5, [%g5 + 0x28]; \ - stx %l6, [%g5 + 0x30]; \ - stx %l7, [%g5 + 0x38]; \ - stx %i0, [%g5 + 0x40]; \ - stx %i1, [%g5 + 0x48]; \ - stx %i2, [%g5 + 0x50]; \ - stx %i3, [%g5 + 0x58]; \ - stx %i4, [%g5 + 0x60]; \ - stx %i5, [%g5 + 0x68]; \ - stx %i6, [%g5 + 0x70]; \ - stx %i7, [%g5 + 0x78]; \ - bne save_cpu_window_##type; \ - add %g5, 0x80, %g5; \ - \ - /* For 8 windows with 16 registers to save in the window, memory required \ - is 16*8*8 = 0x400 bytes */ \ - \ - /* Now we should be in window 0 so update the other window registers */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - dec %g6; \ - wrpr %g6, %cansave; \ - \ - wrpr %g0, %cleanwin; \ - wrpr %g0, %canrestore; \ - wrpr %g0, %otherwin; - - -#define RESTORE_WINDOW_STATE(type) \ - /* Get the number of windows in %g6 */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - inc %g6; \ - \ - /* Now iterate through all of the windows restoring all l and i registers */ \ - add %g1, 0x90, %g5; \ - \ -restore_cpu_window_##type: \ - deccc %g6; \ - wrpr %g6, %cwp; \ - ldx [%g5], %l0; \ - ldx [%g5 + 0x8], %l1; \ - ldx [%g5 + 0x10], %l2; \ - ldx [%g5 + 0x18], %l3; \ - ldx [%g5 + 0x20], %l4; \ - ldx [%g5 + 0x28], %l5; \ - ldx [%g5 + 0x30], %l6; \ - ldx [%g5 + 0x38], %l7; \ - ldx [%g5 + 0x40], %i0; \ - ldx [%g5 + 0x48], %i1; \ - ldx [%g5 + 0x50], %i2; \ - ldx [%g5 + 0x58], %i3; \ - ldx [%g5 + 0x60], %i4; \ - ldx [%g5 + 0x68], %i5; \ - ldx [%g5 + 0x70], %i6; \ - ldx [%g5 + 0x78], %i7; \ - bne restore_cpu_window_##type; \ - add %g5, 0x80, %g5; \ - \ - /* Restore the window registers to their original value */ \ - ldx [%g1], %g7; \ - wrpr %g7, %cwp; \ - ldx [%g1 + 0x8], %g7; \ - wrpr %g7, %cansave; \ - ldx [%g1 + 0x10], %g7; \ - wrpr %g7, %canrestore; \ - ldx [%g1 + 0x18], %g7; \ - wrpr %g7, %otherwin; \ - ldx [%g1 + 0x20], %g7; \ - wrpr %g7, %wstate; \ - ldx [%g1 + 0x28], %g7; \ - wrpr %g7, %cleanwin; \ - \ - ldx [%g1 + 0x30], %o0; \ - ldx [%g1 + 0x38], %o1; \ - ldx [%g1 + 0x40], %o2; \ - ldx [%g1 + 0x48], %o3; \ - ldx [%g1 + 0x50], %o4; \ - ldx [%g1 + 0x58], %o5; \ - ldx [%g1 + 0x60], %o6; \ - ldx [%g1 + 0x68], %o7; \ - \ - ldx [%g1 + 0x70], %g7; \ - wrpr %g7, %pstate; \ - ldx [%g1 + 0x78], %g7; \ - wr %g7, 0, %y; \ - ldx [%g1 + 0x80], %g7; \ - wr %g7, 0, %fprs - - .data .align 8
@@ -192,15 +58,15 @@ /* Save windows */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - add %g1, -0x510, %g1 + add %g1, -CONTEXT_STATE_SIZE, %g1 stx %g1, [%g7] - SAVE_WINDOW_STATE(cif) + SAVE_CPU_WINDOW_STATE(cif)
/* Move to OpenBIOS context stack */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g6 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 sub %g6, %g5, %g6 stx %g6, [%g7] @@ -215,16 +81,16 @@ /* Restore windows */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 add %g1, %g5, %g1 stx %g1, [%g7] /* Return value */ stx %o0, [%g1 + 0x30] - RESTORE_WINDOW_STATE(cif) + RESTORE_CPU_WINDOW_STATE(cif) - add %g1, 0x510, %g1 + add %g1, CONTEXT_STATE_SIZE, %g1 setx _fcstack_ptr, %g6, %g7 stx %g1, [%g7]
Copied and modified: trunk/openbios-devel/arch/sparc64/cpustate.h (from r1364, trunk/openbios-devel/arch/sparc64/call-client.S) ============================================================================== --- trunk/openbios-devel/arch/sparc64/call-client.S Tue Dec 29 16:50:39 2015 (r1364, copy source) +++ trunk/openbios-devel/arch/sparc64/cpustate.h Tue Dec 29 16:50:41 2015 (r1365) @@ -1,15 +1,40 @@ - .globl sparc64_of_client_interface, client_tba +/* + * Save/restore CPU state macros + * + * Copyright (C) 2015 Mark Cave-Ayland (mark.cave-ayland@ilande.co.uk>) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 + * + */ + +/* State size for context (see below) */ +#define CONTEXT_STATE_SIZE 0x510
+/* Stack size for context (allocated inline of the context stack) */ +#define CONTEXT_STACK_SIZE 0x2000
/* - * SAVE_WINDOW_STATE and RESTORE_WINDOW_STATE are used to ensure - * that the CPU window state is preserved across CIF calls. This is - * to workaround a *BSD restriction that window fill/spill traps must - * be minimised during trap table takeover, and likely emulates the - * behaviour of OBP. + * SAVE_CPU_STATE and RESTORE_CPU_STATE are macros used to enable a context switch + * to C to occur within the MMU I/D TLB miss handlers. + * + * Because these handlers are called on a TLB miss, we cannot use flushw to store + * processor window state on the stack, as the memory areas used by each window's + * stack pointer may not be in the TLB, causing recursive TLB miss traps. + * + * For this reason, we save window state by manually rotating the window registers + * and saving their contents (along with other vital registers) into a special + * tlb_handler_stack defined above which is guaranteed to be locked in the TLB, and + * so won't cause issues with trap recursion. + * + * Once this process is complete, we remain in a TL=0, CWP=0 state (with IE=1 to allow + * window fill/spill traps if required), switch to our safe tlb_handler_stack and + * invoke the miss handler. */
-#define SAVE_WINDOW_STATE(type) \ +#define SAVE_CPU_WINDOW_STATE(type) \ + /* Save window state into context at %g1 */ \ rdpr %cwp, %g7; \ stx %g7, [%g1]; \ rdpr %cansave, %g7; \ @@ -38,6 +63,8 @@ stx %g7, [%g1 + 0x78]; \ rd %fprs, %g7; \ stx %g7, [%g1 + 0x80]; \ + rdpr %tl, %g7; \ + stx %g7, [%g1 + 0x88]; \ \ /* Now iterate through all of the windows saving all l and i registers */ \ add %g1, 0x90, %g5; \ @@ -80,10 +107,40 @@ \ wrpr %g0, %cleanwin; \ wrpr %g0, %canrestore; \ - wrpr %g0, %otherwin; + wrpr %g0, %otherwin; \
+ +#define SAVE_CPU_TRAP_STATE(type) \ + /* Save trap state into context at %g1 */ \ + add %g1, 0x490, %g5; \ + mov 4, %g6; \ + \ +save_trap_state_##type: \ + deccc %g6; \ + wrpr %g6, %tl; \ + rdpr %tpc, %g7; \ + stx %g7, [%g5]; \ + rdpr %tnpc, %g7; \ + stx %g7, [%g5 + 0x8]; \ + rdpr %tstate, %g7; \ + stx %g7, [%g5 + 0x10]; \ + rdpr %tt, %g7; \ + stx %g7, [%g5 + 0x18]; \ + bne save_trap_state_##type; \ + add %g5, 0x20, %g5; \ + \ + /* For 4 trap levels with 4 registers, memory required is \ + 4*8*4 = 0x80 bytes */ + +/* Save all state into context at %g1 */ +#define SAVE_CPU_STATE(type) \ + SAVE_CPU_WINDOW_STATE(type); \ + SAVE_CPU_TRAP_STATE(type);
-#define RESTORE_WINDOW_STATE(type) \ + +#define RESTORE_CPU_WINDOW_STATE(type) \ + /* Restore window state from context at %g1 */ \ + \ /* Get the number of windows in %g6 */ \ rdpr %ver, %g6; \ and %g6, 0xf, %g6; \ @@ -142,111 +199,32 @@ ldx [%g1 + 0x78], %g7; \ wr %g7, 0, %y; \ ldx [%g1 + 0x80], %g7; \ - wr %g7, 0, %fprs - + wr %g7, 0, %fprs; \
- .data - .align 8
-client_stack: - .xword 0 -client_tba: - .xword 0 -client_window: - .skip 2048 - - - .text - .align 4 - .register %g2, #scratch - .register %g3, #scratch - .register %g6, #scratch - .register %g7, #scratch -/* - make some more space on stack since linux kernel only provides 128 bytes - without memory to spill registers (used by gcc in -O0 mode) -*/ - -sparc64_of_client_interface: - - /* Save globals on callers stack */ - add %sp, -248, %sp - - stx %g1, [%sp + 2047 + 192] - stx %g2, [%sp + 2047 + 200] - stx %g3, [%sp + 2047 + 208] - stx %g4, [%sp + 2047 + 216] - stx %g5, [%sp + 2047 + 224] - stx %g6, [%sp + 2047 + 232] - stx %g7, [%sp + 2047 + 240] - - /* Save client trap table */ - setx client_tba, %g6, %g7 - rdpr %tba, %g6 - stx %g6, [%g7] - - /* Save existing stack */ - setx client_stack, %g6, %g7 - stx %sp, [%g7] - - /* Save windows */ - setx _fcstack_ptr, %g6, %g7 - ldx [%g7], %g1 - add %g1, -0x510, %g1 - stx %g1, [%g7] - - SAVE_WINDOW_STATE(cif) - - /* Move to OpenBIOS context stack */ - setx _fcstack_ptr, %g6, %g7 - ldx [%g7], %g6 - setx 0x2000, %g4, %g5 - sub %g6, %g5, %g6 - stx %g6, [%g7] - - setx - 2047 - 192, %g6, %g7 - add %g1, %g7, %g7 - mov %g7, %sp - - /* Call client inteface */ - call of_client_interface - ldx [%g1 + 0x30], %o0 - - /* Restore windows */ - setx _fcstack_ptr, %g6, %g7 - ldx [%g7], %g1 - setx 0x2000, %g4, %g5 - add %g1, %g5, %g1 - stx %g1, [%g7] - - /* Return value */ - stx %o0, [%g1 + 0x30] - - RESTORE_WINDOW_STATE(cif) - - add %g1, 0x510, %g1 - setx _fcstack_ptr, %g6, %g7 - stx %g1, [%g7] - - /* Restore stack */ - setx client_stack, %g6, %g7 - ldx [%g7], %sp - - /* Restore client trap table */ - setx client_tba, %g6, %g7 - ldx [%g7], %g6 - wrpr %g6, %tba - - /* Restore globals */ - ldx [%sp + 2047 + 192], %g1 - ldx [%sp + 2047 + 200], %g2 - ldx [%sp + 2047 + 208], %g3 - ldx [%sp + 2047 + 216], %g4 - ldx [%sp + 2047 + 224], %g5 - ldx [%sp + 2047 + 232], %g6 - ldx [%sp + 2047 + 240], %g7 - - add %sp, 248, %sp - - jmp %o7+8 - nop +#define RESTORE_CPU_TRAP_STATE(type) \ + /* Restore trap state from context at %g1 */ \ + add %g1, 0x490, %g5; \ + mov 4, %g6; \ + \ +restore_trap_state_##type: \ + deccc %g6; \ + wrpr %g6, %tl; \ + ldx [%g5], %g7; \ + wrpr %g7, %tpc; \ + ldx [%g5 + 0x8], %g7; \ + wrpr %g7, %tnpc; \ + ldx [%g5 + 0x10], %g7; \ + wrpr %g7, %tstate; \ + ldx [%g5 + 0x18], %g7; \ + wrpr %g7, %tt; \ + bne restore_trap_state_##type; \ + add %g5, 0x20, %g5; \ + \ + ldx [%g1 + 0x88], %g7; \ + wrpr %g7, %tl + +/* Restore all state from context at %g1 */ +#define RESTORE_CPU_STATE(type) \ + RESTORE_CPU_WINDOW_STATE(type); \ + RESTORE_CPU_TRAP_STATE(type);
Modified: trunk/openbios-devel/arch/sparc64/vectors.S ============================================================================== --- trunk/openbios-devel/arch/sparc64/vectors.S Tue Dec 29 16:50:39 2015 (r1364) +++ trunk/openbios-devel/arch/sparc64/vectors.S Tue Dec 29 16:50:41 2015 (r1365) @@ -24,6 +24,7 @@ */
#define __ASSEMBLY__ +#include "cpustate.h" #include "pstate.h" #include <asm/asi.h> #define ASI_BP ASI_PHYS_BYPASS_EC_E @@ -327,206 +328,6 @@ restored retry
-/* - * SAVE_CPU_STATE and RESTORE_CPU_STATE are macros used to enable a context switch - * to C to occur within the MMU I/D TLB miss handlers. - * - * Because these handlers are called on a TLB miss, we cannot use flushw to store - * processor window state on the stack, as the memory areas used by each window's - * stack pointer may not be in the TLB, causing recursive TLB miss traps. - * - * For this reason, we save window state by manually rotating the window registers - * and saving their contents (along with other vital registers) into a special - * tlb_handler_stack defined above which is guaranteed to be locked in the TLB, and - * so won't cause issues with trap recursion. - * - * Once this process is complete, we remain in a TL=0, CWP=0 state (with IE=1 to allow - * window fill/spill traps if required), switch to our safe tlb_handler_stack and - * invoke the miss handler. - */ - -#define SAVE_CPU_STATE(type) \ - /* First save the various state registers */ \ - rdpr %cwp, %g7; \ - stx %g7, [%g1]; \ - rdpr %cansave, %g7; \ - stx %g7, [%g1 + 0x8]; \ - rdpr %canrestore, %g7; \ - stx %g7, [%g1 + 0x10]; \ - rdpr %otherwin, %g7; \ - stx %g7, [%g1 + 0x18]; \ - rdpr %wstate, %g7; \ - stx %g7, [%g1 + 0x20]; \ - rdpr %cleanwin, %g7; \ - stx %g7, [%g1 + 0x28]; \ - rdpr %pstate, %g7; \ - stx %g7, [%g1 + 0x30]; \ - \ - rd %y, %g7; \ - stx %g7, [%g1 + 0x38]; \ - rd %fprs, %g7; \ - stx %g7, [%g1 + 0x40]; \ - \ - rdpr %tl, %g7; \ - stx %g7, [%g1 + 0x48]; \ - \ - /* Trap state */ \ - add %g1, 0x50, %g5; \ - mov 4, %g6; \ - \ -save_trap_state_##type: \ - deccc %g6; \ - wrpr %g6, %tl; \ - rdpr %tpc, %g7; \ - stx %g7, [%g5]; \ - rdpr %tnpc, %g7; \ - stx %g7, [%g5 + 0x8]; \ - rdpr %tstate, %g7; \ - stx %g7, [%g5 + 0x10]; \ - rdpr %tt, %g7; \ - stx %g7, [%g5 + 0x18]; \ - bne save_trap_state_##type; \ - add %g5, 0x20, %g5; \ - \ - /* For 4 trap levels with 4 registers, memory required is - 4*8*4 = 0x80 bytes */ \ - \ - /* Save the o registers */ \ - stx %o0, [%g1 + 0xd0]; \ - stx %o1, [%g1 + 0xd8]; \ - stx %o2, [%g1 + 0xe0]; \ - stx %o3, [%g1 + 0xe8]; \ - stx %o4, [%g1 + 0xf0]; \ - stx %o5, [%g1 + 0xf8]; \ - stx %o6, [%g1 + 0x100]; \ - stx %o7, [%g1 + 0x108]; \ - \ - /* Now iterate through all of the windows saving all l and i registers */ \ - add %g1, 0x110, %g5; \ - \ - /* Get the number of windows in %g6 */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - inc %g6; \ - \ -save_cpu_window_##type: \ - deccc %g6; \ - wrpr %g6, %cwp; \ - stx %l0, [%g5]; \ - stx %l1, [%g5 + 0x8]; \ - stx %l2, [%g5 + 0x10]; \ - stx %l3, [%g5 + 0x18]; \ - stx %l4, [%g5 + 0x20]; \ - stx %l5, [%g5 + 0x28]; \ - stx %l6, [%g5 + 0x30]; \ - stx %l7, [%g5 + 0x38]; \ - stx %i0, [%g5 + 0x40]; \ - stx %i1, [%g5 + 0x48]; \ - stx %i2, [%g5 + 0x50]; \ - stx %i3, [%g5 + 0x58]; \ - stx %i4, [%g5 + 0x60]; \ - stx %i5, [%g5 + 0x68]; \ - stx %i6, [%g5 + 0x70]; \ - stx %i7, [%g5 + 0x78]; \ - bne save_cpu_window_##type; \ - add %g5, 0x80, %g5; \ - \ - /* For 8 windows with 16 registers to save in the window, memory required - is 16*8*8 = 0x400 bytes */ \ - \ - /* Now we should be in window 0 so update the other window registers */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - dec %g6; \ - wrpr %g6, %cansave; \ - \ - wrpr %g0, %cleanwin; \ - wrpr %g0, %canrestore; \ - wrpr %g0, %otherwin - - -#define RESTORE_CPU_STATE(type) \ - /* Get the number of windows in %g6 */ \ - rdpr %ver, %g6; \ - and %g6, 0xf, %g6; \ - inc %g6; \ - \ - /* Now iterate through all of the windows restoring all l and i registers */ \ - add %g1, 0x110, %g5; \ - \ -restore_cpu_window_##type: \ - deccc %g6; \ - wrpr %g6, %cwp; \ - ldx [%g5], %l0; \ - ldx [%g5 + 0x8], %l1; \ - ldx [%g5 + 0x10], %l2; \ - ldx [%g5 + 0x18], %l3; \ - ldx [%g5 + 0x20], %l4; \ - ldx [%g5 + 0x28], %l5; \ - ldx [%g5 + 0x30], %l6; \ - ldx [%g5 + 0x38], %l7; \ - ldx [%g5 + 0x40], %i0; \ - ldx [%g5 + 0x48], %i1; \ - ldx [%g5 + 0x50], %i2; \ - ldx [%g5 + 0x58], %i3; \ - ldx [%g5 + 0x60], %i4; \ - ldx [%g5 + 0x68], %i5; \ - ldx [%g5 + 0x70], %i6; \ - ldx [%g5 + 0x78], %i7; \ - bne restore_cpu_window_##type; \ - add %g5, 0x80, %g5; \ - \ - /* Restore the window registers to their original value */ \ - ldx [%g1], %g7; \ - wrpr %g7, %cwp; \ - ldx [%g1 + 0x8], %g7; \ - wrpr %g7, %cansave; \ - ldx [%g1 + 0x10], %g7; \ - wrpr %g7, %canrestore; \ - ldx [%g1 + 0x18], %g7; \ - wrpr %g7, %otherwin; \ - ldx [%g1 + 0x20], %g7; \ - wrpr %g7, %wstate; \ - ldx [%g1 + 0x28], %g7; \ - wrpr %g7, %cleanwin; \ - ldx [%g1 + 0x30], %g7; \ - wrpr %g7, %pstate; \ - \ - /* Restore the o registers */ \ - ldx [%g1 + 0xd0], %o0; \ - ldx [%g1 + 0xd8], %o1; \ - ldx [%g1 + 0xe0], %o2; \ - ldx [%g1 + 0xe8], %o3; \ - ldx [%g1 + 0xf0], %o4; \ - ldx [%g1 + 0xf8], %o5; \ - ldx [%g1 + 0x100], %o6; \ - ldx [%g1 + 0x108], %o7; \ - \ - /* Restore the trap state */ \ - add %g1, 0x50, %g5; \ - mov 4, %g6; \ - \ -restore_trap_state_##type: \ - deccc %g6; \ - wrpr %g6, %tl; \ - ldx [%g5], %g7; \ - wrpr %g7, %tpc; \ - ldx [%g5 + 0x8], %g7; \ - wrpr %g7, %tnpc; \ - ldx [%g5 + 0x10], %g7; \ - wrpr %g7, %tstate; \ - ldx [%g5 + 0x18], %g7; \ - wrpr %g7, %tt; \ - bne restore_trap_state_##type; \ - add %g5, 0x20, %g5; \ - \ - ldx [%g1 + 0x38], %g7; \ - wr %g7, 0, %y; \ - ldx [%g1 + 0x40], %g7; \ - wr %g7, 0, %fprs; \ - ldx [%g1 + 0x48], %g7; \ - wrpr %g7, %tl -
.globl reload_DMMU_tlb, reload_IMMU_tlb, bug
@@ -535,7 +336,7 @@ /* Save CPU state to stack */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - add %g1, -0x510, %g1 + add %g1, -CONTEXT_STATE_SIZE, %g1 stx %g1, [%g7] SAVE_CPU_STATE(dtlb) @@ -544,7 +345,7 @@ gcc to save its arguments when building with -O0) */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g6 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 sub %g6, %g5, %g6 stx %g6, [%g7] @@ -568,7 +369,7 @@ /* Restore CPU state from stack */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 add %g1, %g5, %g1 stx %g1, [%g7] @@ -576,7 +377,7 @@ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - add %g1, 0x510, %g1 + add %g1, CONTEXT_STATE_SIZE, %g1 stx %g1, [%g7] retry @@ -586,7 +387,7 @@ /* Save CPU state to stack */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - add %g1, -0x510, %g1 + add %g1, -CONTEXT_STATE_SIZE, %g1 stx %g1, [%g7] SAVE_CPU_STATE(itlb) @@ -595,7 +396,7 @@ gcc to save its arguments when building with -O0) */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g6 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 sub %g6, %g5, %g6 stx %g6, [%g7] @@ -619,7 +420,7 @@ /* Restore CPU state from stack */ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - setx 0x2000, %g4, %g5 + setx CONTEXT_STACK_SIZE, %g4, %g5 add %g1, %g5, %g1 stx %g1, [%g7] @@ -627,7 +428,7 @@ setx _fcstack_ptr, %g6, %g7 ldx [%g7], %g1 - add %g1, 0x510, %g1 + add %g1, CONTEXT_STATE_SIZE, %g1 stx %g1, [%g7]
retry
-
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