| /branches/dynload/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 |
| /branches/dynload/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 ;; |
| /branches/dynload/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; |
| /branches/dynload/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 |
| /branches/dynload/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), |
| /branches/dynload/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), |
| /branches/dynload/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 |
| /branches/dynload/kernel/arch/mips32/include/atomic.h |
|---|
| 58,13 → 58,13 |
| asm volatile ( |
| "1:\n" |
| " ll %0, %1\n" |
| " addiu %0, %0, %3\n" /* same as addi, but never traps on overflow */ |
| " addu %0, %0, %3\n" /* same as addi, but never traps on overflow */ |
| " move %2, %0\n" |
| " sc %0, %1\n" |
| " beq %0, %4, 1b\n" /* if the atomic operation failed, try again */ |
| " nop\n" |
| : "=&r" (tmp), "=m" (val->count), "=&r" (v) |
| : "i" (i), "i" (0) |
| : "r" (i), "i" (0) |
| ); |
| return v; |
| /branches/dynload/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 |
| /branches/dynload/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), |
| /branches/dynload/uspace/lib/libc/include/libc.h |
|---|
| 48,7 → 48,7 |
| #define __SYSCALL6(id, p1, p2, p3, p4, p5, p6) \ |
| __syscall(p1, p2, p3, p4, p5, p6,id) |
| extern void __main(void); |
| extern void __main(void *pcb_ptr); |
| extern void __exit(void); |
| #endif |
| /branches/dynload/uspace/lib/libc/generic/libc.c |
|---|
| 48,6 → 48,7 |
| #include <ipc/ipc.h> |
| #include <async.h> |
| #include <as.h> |
| #include <loader/pcb.h> |
| extern char _heap; |
| 56,7 → 57,7 |
| thread_exit(status); |
| } |
| void __main(void) |
| void __main(void *pcb_ptr) |
| { |
| fibril_t *f; |
| /branches/dynload/uspace/lib/libc/arch/sparc64/src/entry.s |
|---|
| 34,12 → 34,18 |
| ## User-space task entry point |
| # |
| # %o0 contains uarg |
| # %o1 contains pcb_ptr |
| # |
| __entry: |
| # Pass pcb_ptr as the first argument to __main() |
| mov %o1, %o0 |
| sethi %hi(_gp), %l7 |
| call __main |
| or %l7, %lo(_gp), %l7 |
| call main |
| nop |
| call __exit |
| nop |
| /branches/dynload/uspace/lib/libc/arch/ia64/src/entry.s |
|---|
| 34,10 → 34,14 |
| ## User-space task entry point |
| # |
| # r2 contains the PCB pointer |
| # |
| __entry: |
| alloc loc0 = ar.pfs, 0, 1, 2, 0 |
| mov r1 = _gp |
| mov r1 = _gp |
| # Pass PCB pointer as the first argument to __main |
| mov out0 = r2 |
| br.call.sptk.many b0 = __main |
| 0: |
| br.call.sptk.many b0 = main |
| /branches/dynload/uspace/lib/libc/arch/arm32/src/entry.s |
|---|
| 34,8 → 34,12 |
| ## User-space task entry point |
| # |
| # r1 contains the PCB pointer |
| # |
| __entry: |
| # Pass pcb_ptr to __main as the first argument (in r0) |
| mov r0, r1 |
| bl __main |
| bl main |
| bl __exit |
| /branches/dynload/uspace/lib/libc/arch/ppc32/src/entry.s |
|---|
| 34,8 → 34,12 |
| ## User-space task entry point |
| # |
| # r3 contains the PCB pointer |
| # |
| __entry: |
| # Pass the PCB pointer to __main() as the first argument. |
| # Since the first argument is passed in r3, no operation is needed. |
| bl __main |
| bl main |
| bl __exit |
| /branches/dynload/uspace/lib/libc/arch/amd64/src/entry.s |
|---|
| 34,8 → 34,12 |
| ## User-space task entry point |
| # |
| # %rdi contains the PCB pointer |
| # |
| __entry: |
| # %rdi was deliberately chosen as the first argument is also in %rdi |
| # Pass PCB pointer to __main (no operation) |
| call __main |
| call main |
| call __exit |
| /branches/dynload/uspace/lib/libc/arch/mips32/src/entry.s |
|---|
| 35,13 → 35,13 |
| ## User-space task entry point |
| # |
| # $a0 ($4) contains the PCB pointer |
| # |
| .ent __entry |
| __entry: |
| .frame $sp, 32, $31 |
| .cpload $25 |
| # Mips o32 may store its arguments on stack, make space (16 bytes), |
| # so that it could work with -O0 |
| # Make space additional 16 bytes for the stack frame |
| 48,7 → 48,11 |
| addiu $sp, -32 |
| .cprestore 16 # Allow PIC code |
| # Pass pcb_ptr to __main() as the first argument. pcb_ptr is already |
| # in $a0. As the first argument is passed in $a0, no operation |
| # is needed. |
| jal __main |
| nop |
| /branches/dynload/uspace/lib/libc/arch/ia32/src/entry.s |
|---|
| 34,6 → 34,7 |
| ## User-space task entry point |
| # |
| # %ebx contains the PCB pointer |
| # |
| __entry: |
| mov %ss, %ax |
| 41,7 → 42,10 |
| mov %ax, %es |
| mov %ax, %fs |
| # Do not set %gs, it contains descriptor that can see TLS |
| # Pass the PCB pointer to __main as the first argument |
| pushl %ebx |
| call __main |
| call main |
| call __exit |