| 1,5 → 1,5 |
|---|
| /* |
| * Copyright (c) 2006 Ondrej Palkovsky |
| * Copyright (c) 2007 Michal Kebrt |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| 29,8 → 29,8 |
|---|
| /** @addtogroup libcarm32 |
| * @{ |
| */ |
| /** @file |
| * @ingroup libcarm32 |
| /** @file |
| * @brief psthread related declarations. |
| */ |
| |
| #ifndef LIBC_arm32_PSTHREAD_H_ |
| 37,15 → 37,53 |
|---|
| #define LIBC_arm32_PSTHREAD_H_ |
| |
| #include <types.h> |
| #include <align.h> |
| #include "thread.h" |
| |
| #define SP_DELTA 0 /* TODO */ |
| /** Size of a stack item */ |
| #define STACK_ITEM_SIZE 4 |
| |
| /** Stack alignment - see <a href="http://www.arm.com/support/faqdev/14269.html">ABI</a> for details */ |
| #define STACK_ALIGNMENT 8 |
| |
| #define SP_DELTA (0 + ALIGN_UP(STACK_ITEM_SIZE, STACK_ALIGNMENT)) |
| |
| |
| /** Sets data to the context. |
| * |
| * @param c Context (#context_t). |
| * @param _pc Program counter. |
| * @param stack Stack address. |
| * @param size Stack size. |
| * @param ptls Pointer to the TCB. |
| */ |
| #define context_set(c, _pc, stack, size, ptls) \ |
| (c)->pc = (sysarg_t) (_pc); \ |
| (c)->sp = ((sysarg_t) (stack)) + (size) - SP_DELTA; \ |
| (c)->tls = ((sysarg_t)(ptls)) + sizeof(tcb_t) + ARM_TP_OFFSET; |
| |
| |
| /** Thread context. |
| * |
| * Only registers preserved accross function calls are included. r9 is used |
| * to store a TLS address. -ffixed-r9 gcc forces gcc not to use this |
| * register. -mtp=soft forces gcc to use #__aeabi_read_tp to obtain |
| * TLS address. |
| */ |
| typedef struct { |
| uint32_t sp; |
| uint32_t pc; |
| uint32_t r4; |
| uint32_t r5; |
| uint32_t r6; |
| uint32_t r7; |
| uint32_t r8; |
| uint32_t tls; |
| uint32_t r10; |
| uint32_t r11; |
| } context_t; |
| |
| |
| #endif |
| |
| /** @} |