forked from Imagelibrary/seL4
a221ee1ca8
Introduced a new config flag to enable userError format strings to be written to the IPC buffer. Another config bool has been introduced to toggle printing the error out and this can also be set at runtime. Signed-off-by: Saer Debel <saer.debel@data61.csiro.au>
107 lines
2.5 KiB
C
107 lines
2.5 KiB
C
/*
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* Copyright 2020, Data61, CSIRO (ABN 41 687 119 230)
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* Copyright 2015, 2016 Hesham Almatary <heshamelmatary@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0-only
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*/
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#pragma once
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#include <sel4/types.h>
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#include <sel4/syscalls.h>
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extern __thread seL4_IPCBuffer *__sel4_ipc_buffer;
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__thread __attribute__((weak)) seL4_IPCBuffer *__sel4_ipc_buffer;
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#ifdef CONFIG_KERNEL_INVOCATION_REPORT_ERROR_IPC
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extern __thread char __sel4_print_error;
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LIBSEL4_INLINE_FUNC char *seL4_GetDebugError(void)
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{
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return (char *)(__sel4_ipc_buffer->msg + DEBUG_MESSAGE_START);
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}
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LIBSEL4_INLINE_FUNC void seL4_SetPrintError(char print_error)
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{
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__sel4_print_error = print_error;
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return;
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}
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LIBSEL4_INLINE_FUNC char seL4_CanPrintError(void)
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{
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return __sel4_print_error;
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}
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#endif
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LIBSEL4_INLINE_FUNC void seL4_SetIPCBuffer(seL4_IPCBuffer *ipc_buffer)
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{
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__sel4_ipc_buffer = ipc_buffer;
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return;
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}
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LIBSEL4_INLINE_FUNC seL4_IPCBuffer *seL4_GetIPCBuffer(void)
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{
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return __sel4_ipc_buffer;
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}
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LIBSEL4_INLINE_FUNC seL4_Word seL4_GetMR(int i)
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{
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return seL4_GetIPCBuffer()->msg[i];
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}
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LIBSEL4_INLINE_FUNC void seL4_SetMR(int i, seL4_Word mr)
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{
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seL4_GetIPCBuffer()->msg[i] = mr;
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}
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LIBSEL4_INLINE_FUNC seL4_Word seL4_GetUserData(void)
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{
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return seL4_GetIPCBuffer()->userData;
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}
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LIBSEL4_INLINE_FUNC void seL4_SetUserData(seL4_Word data)
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{
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seL4_GetIPCBuffer()->userData = data;
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}
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LIBSEL4_INLINE_FUNC seL4_Word seL4_GetBadge(int i)
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{
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return seL4_GetIPCBuffer()->caps_or_badges[i];
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}
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LIBSEL4_INLINE_FUNC seL4_CPtr seL4_GetCap(int i)
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{
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return (seL4_CPtr)seL4_GetIPCBuffer()->caps_or_badges[i];
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}
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LIBSEL4_INLINE_FUNC void seL4_SetCap(int i, seL4_CPtr cptr)
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{
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seL4_GetIPCBuffer()->caps_or_badges[i] = (seL4_Word)cptr;
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}
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LIBSEL4_INLINE_FUNC void seL4_GetCapReceivePath(seL4_CPtr *receiveCNode, seL4_CPtr *receiveIndex,
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seL4_Word *receiveDepth)
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{
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seL4_IPCBuffer *ipcbuffer = seL4_GetIPCBuffer();
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if (receiveCNode != (void *)0) {
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*receiveCNode = ipcbuffer->receiveCNode;
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}
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if (receiveIndex != (void *)0) {
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*receiveIndex = ipcbuffer->receiveIndex;
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}
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if (receiveDepth != (void *)0) {
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*receiveDepth = ipcbuffer->receiveDepth;
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}
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}
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LIBSEL4_INLINE_FUNC void seL4_SetCapReceivePath(seL4_CPtr receiveCNode, seL4_CPtr receiveIndex, seL4_Word receiveDepth)
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{
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seL4_IPCBuffer *ipcbuffer = seL4_GetIPCBuffer();
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ipcbuffer->receiveCNode = receiveCNode;
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ipcbuffer->receiveIndex = receiveIndex;
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ipcbuffer->receiveDepth = receiveDepth;
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}
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