| /trunk/kernel/arch/sparc64/src/asm.S |
|---|
| 274,6 → 274,8 |
| wrpr %g0, 0, %cleanwin ! avoid information leak |
| mov %i2, %o0 ! uarg |
| xor %o1, %o1, %o1 ! %o1 is defined to hold pcb_ptr |
| ! set it to 0 |
| clr %i2 |
| clr %i3 |
| /trunk/kernel/arch/ia64/src/asm.S |
|---|
| 163,6 → 163,9 |
| xor r1 = r1, r1 |
| /* r2 is defined to hold pcb_ptr - set it to 0 */ |
| xor r2 = r2, r2 |
| mov loc1 = cr.ifs |
| movl loc2 = PFM_MASK ;; |
| and loc1 = loc2, loc1 ;; |
| /trunk/kernel/arch/arm32/src/userspace.c |
|---|
| 70,8 → 70,11 |
| /* set first parameter */ |
| ustate.r0 = (uintptr_t) kernel_uarg->uspace_uarg; |
| /* %r1 is defined to hold pcb_ptr - set it to 0 */ |
| ustate.r1 = 0; |
| /* clear other registers */ |
| ustate.r1 = ustate.r2 = ustate.r3 = ustate.r4 = ustate.r5 = |
| ustate.r2 = ustate.r3 = ustate.r4 = ustate.r5 = |
| ustate.r6 = ustate.r7 = ustate.r8 = ustate.r9 = ustate.r10 = |
| ustate.r11 = ustate.r12 = ustate.lr = 0; |
| /trunk/kernel/arch/ppc32/src/asm.S |
|---|
| 65,6 → 65,10 |
| # set stack |
| mr sp, r4 |
| # %r3 is defined to hold pcb_ptr - set it to 0 |
| xor r3, r3, r3 |
| # jump to userspace |
| /trunk/kernel/arch/ia32xen/src/userspace.c |
|---|
| 68,6 → 68,10 |
| "pushl %3\n" |
| "pushl %4\n" |
| "movl %5, %%eax\n" |
| /* %ebx is defined to hold pcb_ptr - set it to 0 */ |
| "xorl %%ebx, %%ebx\n" |
| "iret\n" |
| : |
| : "i" (selector(UDATA_DES) | PL_USER), |
| /trunk/kernel/arch/amd64/src/userspace.c |
|---|
| 61,6 → 61,8 |
| "pushq %3\n" |
| "pushq %4\n" |
| "movq %5, %%rax\n" |
| /* %rdi is defined to hold pcb_ptr - set it to 0 */ |
| "xorq %%rdi, %%rdi\n" |
| "iretq\n" |
| : : |
| "i" (gdtselector(UDATA_DES) | PL_USER), |
| /trunk/kernel/arch/ppc64/src/asm.S |
|---|
| 66,6 → 66,10 |
| mr sp, r4 |
| # %r3 is defined to hold pcb_ptr - set it to 0 |
| xor r3, r3, r3 |
| # jump to userspace |
| rfi |
| /trunk/kernel/arch/mips32/src/start.S |
|---|
| 349,5 → 349,7 |
| userspace_asm: |
| add $sp, $a0, 0 |
| add $v0, $a1, 0 |
| add $t9, $a2, 0 # Set up correct entry into PIC code |
| add $t9, $a2, 0 # Set up correct entry into PIC code |
| xor $a0, $a0, $a0 # $a0 is defined to hold pcb_ptr |
| # set it to 0 |
| eret |
| /trunk/kernel/arch/ia32/src/userspace.c |
|---|
| 70,6 → 70,10 |
| "pushl %3\n" |
| "pushl %4\n" |
| "movl %5, %%eax\n" |
| /* %ebx is defined to hold pcb_ptr - set it to 0 */ |
| "xorl %%ebx, %%ebx\n" |
| "iret\n" |
| : |
| : "i" (selector(UDATA_DES) | PL_USER), |