base-linux: core session support (IO_PORT, IO_MEM, IRQ)
This commit is contained in:
Johannes Kliemann
Christian Helmuth
parent
8cf7aaad65
commit
93639532f0
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@ -8,7 +8,8 @@ lib/import src/ld:
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content:
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for spec in x86_32 x86_64 arm; do \
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mv lib/mk/spec/$$spec/ld-linux.mk lib/mk/spec/$$spec/ld.mk; done;
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sed -i "s/core-linux/core/" src/core/linux/target.mk
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sed -i "s/ld-linux/ld/" src/lib/ld/linux/target.mk
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sed -i "s/linux_timer_drv/timer/" src/timer/linux/target.mk
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sed -i "s/core-linux/core/" src/core/linux/target.mk
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sed -i "s/BOARD.*unknown/BOARD := linux/" src/core/linux/target.mk
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sed -i "s/ld-linux/ld/" src/lib/ld/linux/target.mk
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sed -i "s/linux_timer_drv/timer/" src/timer/linux/target.mk
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@ -22,6 +22,8 @@
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#include <fcntl.h>
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#undef size_t
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#include <sys/ioctl.h>
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/*******************************************************
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** Functions used by core's ram-session support code **
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@ -70,6 +72,39 @@ inline int lx_stat(const char *path, struct stat64 *buf)
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#endif
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}
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/***********************************************************
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** Functions used by core's io port session support code **
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***********************************************************/
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inline int lx_ioperm(unsigned long from, unsigned long num, int turn_on)
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{
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return lx_syscall(SYS_ioperm, from, num, turn_on);
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}
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inline int lx_iopl(int level)
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{
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return lx_syscall(SYS_iopl, level);
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}
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/**************************************************
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** Functions used by core's io mem session code **
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**************************************************/
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/* specific ioctl call for /dev/hwio since I don't want to handle variant args */
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inline int lx_ioctl_iomem(int fd, unsigned long phys, Genode::size_t offset)
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{
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struct {
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unsigned long phys;
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Genode::size_t length;
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} range = {phys, offset};
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return lx_syscall(SYS_ioctl, fd, _IOW('g', 1, void *), &range);
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}
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inline int lx_ioctl_irq(int fd, int irq)
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{
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return lx_syscall(SYS_ioctl, fd, _IOW('g', 2, int*), &irq);
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}
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/**************************************
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** Process creation and destruction **
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@ -79,14 +79,7 @@ namespace Genode {
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* reasons and should not be used.
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*/
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Dataspace_component(size_t size, addr_t, addr_t phys_addr,
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Cache_attribute, bool, Dataspace_owner *_owner)
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:
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_size(size), _addr(phys_addr), _fd(-1), _writable(false),
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_owner(_owner)
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{
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warning("Should only be used for IOMEM and not within Linux.");
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_fname.buf[0] = 0;
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}
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Cache_attribute, bool writable, Dataspace_owner *_owner);
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/**
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* This constructor is especially used for ROM dataspaces
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@ -26,6 +26,18 @@ namespace Genode {
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class Io_mem_session_component : public Rpc_object<Io_mem_session>
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{
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private:
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Range_allocator &_io_mem_alloc;
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Dataspace_component _ds;
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Rpc_entrypoint &_ds_ep;
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Io_mem_dataspace_capability _ds_cap;
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size_t get_arg_size(const char *);
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addr_t get_arg_phys(const char *);
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Cache_attribute get_arg_wc(const char *);
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public:
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/**
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@ -55,8 +67,7 @@ namespace Genode {
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** Io-mem session interface **
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*****************************/
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Io_mem_dataspace_capability dataspace() override {
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return Io_mem_dataspace_capability(); }
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Io_mem_dataspace_capability dataspace() override;
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};
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}
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@ -0,0 +1,50 @@
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/*
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* \brief Core-specific instance of the IRQ session interface (Linux)
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* \author Johannes Kliemann
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* \date 2019-11-25
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*/
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/*
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* Copyright (C) 2007-2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _IRQ_OBJECT_H_
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#define _IRQ_OBJECT_H_
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#include <base/thread.h>
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namespace Genode
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{
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class Irq_object;
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};
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class Genode::Irq_object : public Thread_deprecated<4096>
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{
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private:
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Genode::Signal_context_capability _sig_cap;
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Genode::Lock _sync_ack;
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Genode::Lock _sync_bootup;
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unsigned const _irq;
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int _fd;
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bool _associate();
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void entry() override;
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public:
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Irq_object(unsigned irq);
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void sigh(Signal_context_capability cap);
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void ack_irq();
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void start() override;
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};
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#endif /* ifndef _IRQ_OBJECT_H_ */
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@ -16,7 +16,9 @@
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#include <util/list.h>
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#include <base/rpc_server.h>
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#include <base/allocator.h>
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#include <irq_session/irq_session.h>
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#include <irq_object.h>
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namespace Genode {
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class Irq_session_component;
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@ -28,30 +30,29 @@ class Genode::Irq_session_component : public Rpc_object<Irq_session>,
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private:
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friend class List<Irq_session_component>;
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unsigned _irq_number;
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Genode::Irq_object _irq_object;
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public:
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/**
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* Constructor
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*/
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Irq_session_component(Range_allocator &, const char *) { }
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Irq_session_component(Range_allocator &, const char *);
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/**
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* Destructor
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*/
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~Irq_session_component() { }
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~Irq_session_component();
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/***************************
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** Irq session interface **
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***************************/
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void ack_irq() override { }
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void sigh(Signal_context_capability) override { }
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Info info() override {
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return { .type = Genode::Irq_session::Info::Type::INVALID,
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.address = 0,
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.value = 0 }; }
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void ack_irq() override;
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void sigh(Signal_context_capability) override;
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Info info() override;
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};
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#endif /* _CORE__INCLUDE__IRQ_SESSION_COMPONENT_H_ */
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@ -1,25 +0,0 @@
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/*
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* \brief Linux-specific IO_MEM service
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* \author Christian Helmuth
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* \date 2006-09-01
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*/
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/*
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* Copyright (C) 2006-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#include <base/log.h>
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#include <io_mem_session_component.h>
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using namespace Genode;
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Io_mem_session_component::Io_mem_session_component(Range_allocator &,
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Range_allocator &,
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Rpc_entrypoint &,
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const char *args) {
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warning("no io_mem support on Linux (args=\"", args, "\")"); }
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@ -2,6 +2,8 @@ TARGET = core-linux
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REQUIRES = linux
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LIBS = cxx base-linux-common syscall-linux startup-linux
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BOARD ?= unknown
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GEN_CORE_DIR = $(BASE_DIR)/src/core
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SRC_CC = main.cc \
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@ -23,6 +25,9 @@ SRC_CC = main.cc \
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ram_dataspace_factory.cc \
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core_rpc_cap_alloc.cc \
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io_mem_session_component.cc \
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io_port_session_component.cc \
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io_port_session_support.cc \
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irq_session_component.cc \
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signal_source_component.cc \
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signal_transmitter_proxy.cc \
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signal_receiver.cc \
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@ -34,7 +39,8 @@ SRC_CC = main.cc \
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default_log.cc \
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env_reinit.cc \
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heartbeat.cc \
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thread.cc thread_myself.cc
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thread.cc \
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thread_myself.cc
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INC_DIR += $(REP_DIR)/src/core/include \
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$(GEN_CORE_DIR)/include \
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@ -48,27 +54,32 @@ LD_SCRIPT_STATIC = $(BASE_DIR)/src/ld/genode.ld \
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include $(GEN_CORE_DIR)/version.inc
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vpath main.cc $(GEN_CORE_DIR)
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vpath pd_session_component.cc $(GEN_CORE_DIR)
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vpath core_log.cc $(GEN_CORE_DIR)
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vpath cpu_session_component.cc $(GEN_CORE_DIR)
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vpath cpu_session_support.cc $(GEN_CORE_DIR)
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vpath cpu_thread_component.cc $(GEN_CORE_DIR)
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vpath pd_upgrade_ram_quota.cc $(GEN_CORE_DIR)
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vpath pd_session_support.cc $(GEN_CORE_DIR)
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vpath capability_space.cc $(GEN_CORE_DIR)
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vpath rpc_cap_factory_l4.cc $(GEN_CORE_DIR)
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vpath ram_dataspace_factory.cc $(GEN_CORE_DIR)
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vpath platform_services.cc $(GEN_CORE_DIR)
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vpath signal_source_component.cc $(GEN_CORE_DIR)
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vpath signal_transmitter_proxy.cc $(GEN_CORE_DIR)
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vpath signal_receiver.cc $(GEN_CORE_DIR)
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vpath trace_session_component.cc $(GEN_CORE_DIR)
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vpath core_rpc_cap_alloc.cc $(GEN_CORE_DIR)
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vpath default_log.cc $(GEN_CORE_DIR)
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vpath heartbeat.cc $(GEN_CORE_DIR)
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vpath thread.cc $(BASE_DIR)/src/lib/base
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vpath thread_myself.cc $(BASE_DIR)/src/lib/base
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vpath trace.cc $(BASE_DIR)/src/lib/base
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vpath env_reinit.cc $(REP_DIR)/src/lib/base
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vpath %.cc $(REP_DIR)/src/core
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vpath main.cc $(GEN_CORE_DIR)
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vpath pd_session_component.cc $(GEN_CORE_DIR)
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vpath core_log.cc $(GEN_CORE_DIR)
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vpath cpu_session_component.cc $(GEN_CORE_DIR)
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vpath cpu_session_support.cc $(GEN_CORE_DIR)
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vpath cpu_thread_component.cc $(GEN_CORE_DIR)
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vpath pd_upgrade_ram_quota.cc $(GEN_CORE_DIR)
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vpath pd_session_support.cc $(GEN_CORE_DIR)
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vpath capability_space.cc $(GEN_CORE_DIR)
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vpath rpc_cap_factory_l4.cc $(GEN_CORE_DIR)
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vpath ram_dataspace_factory.cc $(GEN_CORE_DIR)
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vpath signal_source_component.cc $(GEN_CORE_DIR)
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vpath signal_transmitter_proxy.cc $(GEN_CORE_DIR)
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vpath signal_receiver.cc $(GEN_CORE_DIR)
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vpath trace_session_component.cc $(GEN_CORE_DIR)
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vpath core_rpc_cap_alloc.cc $(GEN_CORE_DIR)
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vpath default_log.cc $(GEN_CORE_DIR)
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vpath heartbeat.cc $(GEN_CORE_DIR)
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vpath io_port_session_support.cc $(GEN_CORE_DIR)/spec/x86
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vpath thread.cc $(BASE_DIR)/src/lib/base
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vpath thread_myself.cc $(BASE_DIR)/src/lib/base
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vpath trace.cc $(BASE_DIR)/src/lib/base
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vpath env_reinit.cc $(REP_DIR)/src/lib/base
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vpath dataspace_component.cc $(REP_DIR)/src/core/spec/$(BOARD)
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vpath io_mem_session_component.cc $(REP_DIR)/src/core/spec/$(BOARD)
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vpath irq_session_component.cc $(REP_DIR)/src/core/spec/$(BOARD)
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vpath io_port_session_component.cc $(REP_DIR)/src/core/spec/$(BOARD)
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vpath platform_services.cc $(REP_DIR)/src/core/spec/$(BOARD)
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vpath %.cc $(REP_DIR)/src/core
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@ -0,0 +1,77 @@
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/*
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* \brief Linux-specific core implementation of the dataspace component
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* \author Stefan Kalkowski
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* \date 2015-09-25
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*
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* The Linux version of ROM session component does not use the
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* Rom_fs as provided as constructor argument. Instead, we map
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* rom modules directly to files of the host file system.
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*/
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/*
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* Copyright (C) 2015-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* Linux includes */
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#include <core_linux_syscalls.h>
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#include <sys/fcntl.h>
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/* Genode includes */
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#include <linux_dataspace/linux_dataspace.h>
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#include <util/arg_string.h>
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#include <root/root.h>
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#include <base/session_label.h>
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/* local includes */
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#include "dataspace_component.h"
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using namespace Genode;
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Linux_dataspace::Filename Dataspace_component::_file_name(const char *args)
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{
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Session_label const label = label_from_args(args);
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Linux_dataspace::Filename fname;
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if (label.last_element().length() > sizeof(fname.buf)) {
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Genode::error("file name too long: ", label.last_element());
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throw Service_denied();
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}
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strncpy(fname.buf, label.last_element().string(), sizeof(fname.buf));
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/* only files inside the current working directory are allowed */
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for (const char *c = fname.buf; *c; ++c)
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if (*c == '/') throw Service_denied();
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return fname;
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}
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Genode::size_t Dataspace_component::_file_size()
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{
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struct stat64 s;
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if (lx_stat(_fname.buf, &s) < 0) throw Service_denied();
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return s.st_size;
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}
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Dataspace_component::Dataspace_component(const char *args)
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: _fname(_file_name(args)),
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_size(_file_size()),
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_addr(0),
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_fd(lx_open(_fname.buf, O_RDONLY | LX_O_CLOEXEC, S_IRUSR | S_IXUSR)),
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_writable(false),
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_owner(0) { }
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Dataspace_component::Dataspace_component(size_t size, addr_t, addr_t phys_addr,
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Cache_attribute, bool, Dataspace_owner *_owner) :
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_size(size), _addr(phys_addr), _fd(-1), _writable(false), _owner(_owner)
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{
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warning("Should only be used for IOMEM and not within Linux.");
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_fname.buf[0] = 0;
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}
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@ -0,0 +1,58 @@
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/*
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* \brief Linux-specific IO_MEM service
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* \author Johannes Kliemann
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* \date 2019-11-25
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*/
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/*
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* Copyright (C) 2006-2017 Genode Labs GmbH
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*
|
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* This file is part of the Genode OS framework, which is distributed
|
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#include <base/log.h>
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#include <linux_dataspace/client.h>
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#include <base/internal/page_size.h>
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#include <core_linux_syscalls.h>
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#include <io_mem_session_component.h>
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using namespace Genode;
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size_t Io_mem_session_component::get_arg_size(const char *)
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{
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warning(__func__, " not implemented");
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return 0;
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}
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addr_t Io_mem_session_component::get_arg_phys(const char *)
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{
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warning(__func__, " not implemented");
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return 0;
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}
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Io_mem_session_component::Io_mem_session_component(Range_allocator &io_mem_alloc,
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Range_allocator &,
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Rpc_entrypoint &ds_ep,
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const char *args) :
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_io_mem_alloc(io_mem_alloc),
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_ds(0, 0, 0, UNCACHED, true, 0),
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_ds_ep(ds_ep),
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_ds_cap(Io_mem_dataspace_capability())
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{
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warning("no io_mem support on Linux (args=\"", args, "\")"); }
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Cache_attribute Io_mem_session_component::get_arg_wc(const char *)
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{
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warning(__func__, " not implemented");
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return UNCACHED;
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}
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Io_mem_dataspace_capability Io_mem_session_component::dataspace()
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{
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return Io_mem_dataspace_capability();
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}
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|
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@ -0,0 +1,27 @@
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/*
|
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* \brief Linux-specific IO_PORT service
|
||||
* \author Johannes Kliemann
|
||||
* \date 2019-11-25
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||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2006-2019 Genode Labs GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <util/string.h>
|
||||
#include <util/arg_string.h>
|
||||
#include <root/root.h>
|
||||
#include <io_port_session_component.h>
|
||||
|
||||
|
||||
Genode::Io_port_session_component::Io_port_session_component(Genode::Range_allocator &io_port_alloc, const char *)
|
||||
: _io_port_alloc(io_port_alloc)
|
||||
{
|
||||
Genode::warning("IO PORTS are not supported on base linux");
|
||||
}
|
||||
|
||||
Genode::Io_port_session_component::~Io_port_session_component()
|
||||
{}
|
||||
|
|
@ -0,0 +1,82 @@
|
|||
/*
|
||||
* \brief IRQ session implementation for base-linux
|
||||
* \author Johannes Kliemann
|
||||
* \date 2018-03-14
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2018 Genode Labs GmbH
|
||||
* Copyright (C) 2018 Componolit GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <base/log.h>
|
||||
#include <base/thread.h>
|
||||
|
||||
#include <irq_session_component.h>
|
||||
|
||||
#include <core_linux_syscalls.h>
|
||||
|
||||
Genode::Irq_session_component::Irq_session_component(Genode::Range_allocator &, const char *)
|
||||
:
|
||||
_irq_number(0),
|
||||
_irq_object(_irq_number)
|
||||
{ }
|
||||
|
||||
Genode::Irq_session_component::~Irq_session_component()
|
||||
{
|
||||
warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
void Genode::Irq_session_component::ack_irq()
|
||||
{ }
|
||||
|
||||
void Genode::Irq_session_component::sigh(Genode::Signal_context_capability)
|
||||
{ }
|
||||
|
||||
Genode::Irq_session::Info Genode::Irq_session_component::info()
|
||||
{
|
||||
return { .type = Genode::Irq_session::Info::Type::INVALID, .address = 0, .value = 0 };
|
||||
}
|
||||
|
||||
Genode::Irq_object::Irq_object(unsigned irq) :
|
||||
Thread_deprecated<4096>("irq"),
|
||||
_sig_cap(Signal_context_capability()),
|
||||
_sync_ack(Lock::LOCKED),
|
||||
_sync_bootup(Lock::LOCKED),
|
||||
_irq(irq),
|
||||
_fd(-1)
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
bool Genode::Irq_object::_associate()
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
return false;
|
||||
}
|
||||
|
||||
void Genode::Irq_object::entry()
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
void Genode::Irq_object::ack_irq()
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
void Genode::Irq_object::start()
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
void Genode::Irq_object::sigh(Signal_context_capability)
|
||||
{
|
||||
Genode::warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/*
|
||||
* \brief Platform specific services for Linux
|
||||
* \author Johannes Kliemann
|
||||
* \date 2017-11-08
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2018 Genode Labs GmbH
|
||||
* Copyright (C) 2018 Componolit GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
/* Genode includes */
|
||||
#include <base/service.h>
|
||||
|
||||
/* core includes */
|
||||
#include <core_env.h>
|
||||
#include <platform.h>
|
||||
#include <platform_services.h>
|
||||
#include <io_port_root.h>
|
||||
|
||||
#include <core_linux_syscalls.h>
|
||||
|
||||
/**
|
||||
* Add x86 specific ioport service
|
||||
*/
|
||||
|
||||
namespace Genode
|
||||
{
|
||||
void platform_add_local_services(Rpc_entrypoint &,
|
||||
Sliced_heap &,
|
||||
Registry<Service> &,
|
||||
Trace::Source_registry &)
|
||||
{ }
|
||||
}
|
||||
|
|
@ -67,3 +67,10 @@ Dataspace_component::Dataspace_component(const char *args)
|
|||
_fd(lx_open(_fname.buf, O_RDONLY | LX_O_CLOEXEC, S_IRUSR | S_IXUSR)),
|
||||
_writable(false),
|
||||
_owner(0) { }
|
||||
|
||||
Dataspace_component::Dataspace_component(size_t size, addr_t, addr_t phys_addr,
|
||||
Cache_attribute, bool writable, Dataspace_owner *_owner) :
|
||||
_size(size), _addr(phys_addr), _fd(-1), _writable(writable), _owner(_owner)
|
||||
{
|
||||
_fname.buf[0] = 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
/*
|
||||
* \brief Linux-specific IO_MEM service
|
||||
* \author Johannes Kliemann
|
||||
* \date 2019-11-25
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2006-2019 Genode Labs GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <base/log.h>
|
||||
#include <linux_dataspace/client.h>
|
||||
#include <base/internal/page_size.h>
|
||||
|
||||
#include <core_linux_syscalls.h>
|
||||
|
||||
#include <io_mem_session_component.h>
|
||||
|
||||
|
||||
using namespace Genode;
|
||||
|
||||
size_t Io_mem_session_component::get_arg_size(const char *args)
|
||||
{
|
||||
size_t const size = Arg_string::find_arg(args, "size").ulong_value(0);
|
||||
addr_t base = Arg_string::find_arg(args, "base").ulong_value(0);
|
||||
|
||||
addr_t end = align_addr(base + size, get_page_size_log2());
|
||||
base = base & ~(get_page_size() - 1);
|
||||
return (size_t)(end - base);
|
||||
}
|
||||
|
||||
|
||||
addr_t Io_mem_session_component::get_arg_phys(const char *args)
|
||||
{
|
||||
return Arg_string::find_arg(args, "base").ulong_value(0);
|
||||
}
|
||||
|
||||
Cache_attribute Io_mem_session_component::get_arg_wc(const char *args)
|
||||
{
|
||||
Arg a = Arg_string::find_arg("wc", args);
|
||||
if (a.valid() && a.bool_value(0)) {
|
||||
return WRITE_COMBINED;
|
||||
} else {
|
||||
return UNCACHED;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Io_mem_session_component::Io_mem_session_component(Range_allocator &io_mem_alloc,
|
||||
Range_allocator &,
|
||||
Rpc_entrypoint &ds_ep,
|
||||
const char *args) :
|
||||
_io_mem_alloc(io_mem_alloc),
|
||||
_ds(get_arg_size(args), 0, get_arg_phys(args), get_arg_wc(args), true, 0),
|
||||
_ds_ep(ds_ep),
|
||||
_ds_cap(Io_mem_dataspace_capability())
|
||||
{
|
||||
int _fd = -1;
|
||||
|
||||
_fd = lx_open("/dev/hwio", O_RDWR | O_SYNC);
|
||||
lx_ioctl_iomem(_fd, (unsigned long)get_arg_phys(args), get_arg_size(args));
|
||||
if (_fd > 0) {
|
||||
_ds.fd(_fd);
|
||||
} else {
|
||||
error("Failed to open /dev/hwio");
|
||||
throw Genode::Service_denied();
|
||||
}
|
||||
|
||||
_ds_cap = static_cap_cast<Io_mem_dataspace>(static_cap_cast<Dataspace>(_ds_ep.manage(&_ds)));
|
||||
}
|
||||
|
||||
Io_mem_dataspace_capability Io_mem_session_component::dataspace()
|
||||
{
|
||||
return _ds_cap;
|
||||
}
|
||||
|
|
@ -0,0 +1,29 @@
|
|||
/*
|
||||
* \brief Linux-specific IO_PORT service
|
||||
* \author Johannes Kliemann
|
||||
* \date 2019-11-25
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2006-2019 Genode Labs GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <util/string.h>
|
||||
#include <util/arg_string.h>
|
||||
#include <root/root.h>
|
||||
#include <io_port_session_component.h>
|
||||
|
||||
|
||||
Genode::Io_port_session_component::Io_port_session_component(Genode::Range_allocator &io_port_alloc, const char *args)
|
||||
: _io_port_alloc(io_port_alloc)
|
||||
{
|
||||
/* parse for port properties */
|
||||
_base = Arg_string::find_arg(args, "io_port_base").ulong_value(0);
|
||||
_size = Arg_string::find_arg(args, "io_port_size").ulong_value(0);
|
||||
}
|
||||
|
||||
Genode::Io_port_session_component::~Io_port_session_component()
|
||||
{}
|
||||
|
|
@ -0,0 +1,120 @@
|
|||
/*
|
||||
* \brief IRQ session implementation for base-linux
|
||||
* \author Johannes Kliemann
|
||||
* \date 2018-03-14
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2018 Genode Labs GmbH
|
||||
* Copyright (C) 2018 Componolit GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <base/log.h>
|
||||
#include <base/thread.h>
|
||||
|
||||
#include <irq_session_component.h>
|
||||
#include <irq_object.h>
|
||||
|
||||
#include <core_linux_syscalls.h>
|
||||
|
||||
Genode::Irq_session_component::Irq_session_component(Genode::Range_allocator &, const char *args)
|
||||
:
|
||||
_irq_number(Arg_string::find_arg(args, "irq_number").long_value(-1)),
|
||||
_irq_object(_irq_number)
|
||||
{
|
||||
_irq_object.start();
|
||||
}
|
||||
|
||||
Genode::Irq_session_component::~Irq_session_component()
|
||||
{
|
||||
warning(__func__, " not implemented");
|
||||
}
|
||||
|
||||
void Genode::Irq_session_component::ack_irq()
|
||||
{
|
||||
_irq_object.ack_irq();
|
||||
}
|
||||
|
||||
void Genode::Irq_session_component::sigh(Genode::Signal_context_capability cap)
|
||||
{
|
||||
_irq_object.sigh(cap);
|
||||
}
|
||||
|
||||
Genode::Irq_session::Info Genode::Irq_session_component::info()
|
||||
{
|
||||
return { .type = Genode::Irq_session::Info::Type::INVALID, .address = 0, .value = 0 };
|
||||
}
|
||||
|
||||
|
||||
Genode::Irq_object::Irq_object(unsigned irq) :
|
||||
Thread_deprecated<4096>("irq"),
|
||||
_sig_cap(Signal_context_capability()),
|
||||
_sync_ack(Lock::LOCKED),
|
||||
_sync_bootup(Lock::LOCKED),
|
||||
_irq(irq),
|
||||
_fd(-1)
|
||||
{ }
|
||||
|
||||
bool Genode::Irq_object::_associate()
|
||||
{
|
||||
_fd = lx_open("/dev/hwio", O_RDWR | O_SYNC);
|
||||
|
||||
if (_fd < 0){
|
||||
Genode::error("failed to open /dev/hwio");
|
||||
return false;
|
||||
}
|
||||
|
||||
if (lx_ioctl_irq(_fd, _irq) < 0){
|
||||
Genode::error("failed to request irq");
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
void Genode::Irq_object::entry()
|
||||
{
|
||||
if (!_associate()) {
|
||||
error("failed to register IRQ ", _irq);
|
||||
}
|
||||
|
||||
_sync_bootup.unlock();
|
||||
_sync_ack.lock();
|
||||
|
||||
while (true) {
|
||||
|
||||
if (lx_read(_fd, 0, 0) < 0) {
|
||||
Genode::warning("failed to read on /dev/hwio");
|
||||
}
|
||||
|
||||
if(!_sig_cap.valid()){
|
||||
continue;
|
||||
}
|
||||
|
||||
Genode::Signal_transmitter(_sig_cap).submit(1);
|
||||
|
||||
_sync_ack.lock();
|
||||
}
|
||||
}
|
||||
|
||||
void Genode::Irq_object::ack_irq()
|
||||
{
|
||||
_sync_ack.unlock();
|
||||
}
|
||||
|
||||
void Genode::Irq_object::start()
|
||||
{
|
||||
Genode::Thread::start();
|
||||
_sync_bootup.lock();
|
||||
}
|
||||
|
||||
void Genode::Irq_object::sigh(Signal_context_capability cap)
|
||||
{
|
||||
_sig_cap = cap;
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,44 @@
|
|||
/*
|
||||
* \brief Platform specific services for Linux
|
||||
* \author Johannes Kliemann
|
||||
* \date 2017-11-08
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2018 Genode Labs GmbH
|
||||
* Copyright (C) 2018 Componolit GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
/* Genode includes */
|
||||
#include <base/service.h>
|
||||
|
||||
/* core includes */
|
||||
#include <core_env.h>
|
||||
#include <platform.h>
|
||||
#include <platform_services.h>
|
||||
#include <io_port_root.h>
|
||||
|
||||
#include <core_linux_syscalls.h>
|
||||
|
||||
/**
|
||||
* Add x86 specific ioport service
|
||||
*/
|
||||
namespace Genode
|
||||
{
|
||||
void platform_add_local_services(Rpc_entrypoint &,
|
||||
Sliced_heap &md,
|
||||
Registry<Service> ®,
|
||||
Trace::Source_registry &)
|
||||
{
|
||||
if (!lx_iopl(3)) {
|
||||
static Io_port_root io_port_root(*core_env().pd_session(),
|
||||
platform().io_port_alloc(), md);
|
||||
|
||||
static Core_service<Io_port_session_component>
|
||||
io_port_ls(reg, io_port_root);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -19,6 +19,7 @@
|
|||
|
||||
using namespace Genode;
|
||||
|
||||
class Invalid_capability : public Genode::Exception {};
|
||||
|
||||
/**
|
||||
* Return pointer to locally implemented region map
|
||||
|
|
@ -27,6 +28,8 @@ using namespace Genode;
|
|||
*/
|
||||
static Region_map *_local(Capability<Region_map> cap)
|
||||
{
|
||||
if (!cap.valid())
|
||||
throw Invalid_capability();
|
||||
return Local_capability<Region_map>::deref(cap);
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -188,6 +188,9 @@ Region_map::Local_addr Region_map_mmap::attach(Dataspace_capability ds,
|
|||
throw Region_conflict();
|
||||
}
|
||||
|
||||
if (!ds.valid())
|
||||
throw Invalid_dataspace();
|
||||
|
||||
size_t const remaining_ds_size = _dataspace_size(ds) > (addr_t)offset
|
||||
? _dataspace_size(ds) - (addr_t)offset : 0;
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,45 @@
|
|||
/*
|
||||
* \brief Linux initramfs init binary to load Genode as init process
|
||||
* \author Johannes Kliemann
|
||||
* \date 2018-04-19
|
||||
*
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (C) 2018 Genode Labs GmbH
|
||||
* Copyright (C) 2018 Componolit GmbH
|
||||
*
|
||||
* This file is part of the Genode OS framework, which is distributed
|
||||
* under the terms of the GNU Affero General Public License version 3.
|
||||
*/
|
||||
|
||||
#include <unistd.h>
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/stat.h>
|
||||
#include <sys/syscall.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/mount.h>
|
||||
|
||||
int
|
||||
main(int argc __attribute__((unused)), char *argv[] __attribute__((unused)))
|
||||
{
|
||||
char *args = "core";
|
||||
|
||||
printf("preparing environment for Genode\n");
|
||||
if (mount("none", "/dev", "devtmpfs", 0, ""))
|
||||
perror("mount");
|
||||
|
||||
close(open("/dev/platform_info", O_RDONLY));
|
||||
|
||||
printf("loading Genode on Linux\n");
|
||||
if (chdir("/genode")){
|
||||
perror("failed to chdir into /genode");
|
||||
return 1;
|
||||
}
|
||||
if (execve("core", &args, NULL)){
|
||||
perror("failed to start core");
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,20 @@
|
|||
TARGET = lx_init
|
||||
|
||||
INITRAMFS = initramfs
|
||||
INITRAMFS_SRC_C = init.c
|
||||
|
||||
EXT_OBJECTS += $(BUILD_BASE_DIR)/lib/initramfs/$(INITRAMFS)
|
||||
|
||||
$(TARGET): $(INITRAMFS)
|
||||
|
||||
$(INITRAMFS): $(INITRAMFS_SRC_C)
|
||||
$(MSG_BUILD)$(INITRAMFS)
|
||||
$(VERBOSE)gcc $^ -O0 $(CC_MARCH) -Wall -W -Wextra -Werror -std=gnu99 -o $@ -Wl,-O3 -Wl,--as-needed -static
|
||||
$(VERBOSE)ln -sf $(BUILD_BASE_DIR)/lib/initramfs/$(INITRAMFS) $(BUILD_BASE_DIR)/bin/
|
||||
|
||||
clean_initramfs:
|
||||
$(VERBOSE)rm -rf $(INITRAMFS)
|
||||
|
||||
clean: clean_initramfs
|
||||
|
||||
vpath init.c $(PRG_DIR)
|
||||
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Reference in New Issue