base-hw: make Muen sinfo API publicly available
The sinfo function declared in sinfo_instance.h creates a static sinfo object instance and returns a pointer to the caller. - kernel timer and platform support to use sinfo() function to instantiate sinfo object - address and size of the base-hw RAM region via the sinfo API - log_status() function in sinfo API
This commit is contained in:
Adrian-Ken Rueegsegger
Christian Helmuth
parent
2f11caa8d6
commit
c1bb82fb6b
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@ -14,11 +14,13 @@
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_H_
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#define _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_H_
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#ifndef _INCLUDE__SPEC__X86_64__MUEN__SINFO_H_
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#define _INCLUDE__SPEC__X86_64__MUEN__SINFO_H_
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#include <base/stdint.h>
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struct subject_info_type;
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namespace Genode
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{
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/**
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@ -32,10 +34,12 @@ class Genode::Sinfo
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public:
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enum Config {
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MAX_NAME_LENGTH = 63,
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PHYSICAL_BASE_ADDR = 0xe00000000,
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SIZE = 0x7000,
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MAX_NAME_LENGTH = 63,
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};
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Sinfo();
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Sinfo(const addr_t base_addr);
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/* Structure holding information about a memory region */
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struct Memregion_info {
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@ -70,7 +74,7 @@ class Genode::Sinfo
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/*
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* Check Muen sinfo Magic.
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*/
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static bool check_magic(void);
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bool check_magic(void);
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/*
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* Return information for a channel given by name.
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@ -79,7 +83,7 @@ class Genode::Sinfo
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* event_number and vector parameters are only valid if indicated by
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* the has_[event|vector] struct members.
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*/
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static bool get_channel_info(const char * const name,
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bool get_channel_info(const char * const name,
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struct Channel_info *channel);
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/*
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@ -87,7 +91,7 @@ class Genode::Sinfo
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*
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* If no memory region with given name exists, False is returned.
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*/
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static bool get_memregion_info(const char * const name,
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bool get_memregion_info(const char * const name,
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struct Memregion_info *memregion);
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/*
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@ -96,7 +100,7 @@ class Genode::Sinfo
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* The function returns false if no device information for the
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* specified device exists.
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*/
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static bool get_dev_info(const uint16_t sid, struct Dev_info *dev);
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bool get_dev_info(const uint16_t sid, struct Dev_info *dev);
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/*
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* Channel callback.
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@ -114,7 +118,7 @@ class Genode::Sinfo
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* invocation of the callback. If a callback invocation returns false,
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* processing is aborted and false is returned to the caller.
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*/
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static bool for_each_channel(Channel_cb func, void *data);
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bool for_each_channel(Channel_cb func, void *data);
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/*
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* Memory region callback.
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@ -132,24 +136,48 @@ class Genode::Sinfo
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* invocation of the callback. If a callback invocation returns false,
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* processing is aborted and false is returned to the caller.
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*/
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static bool for_each_memregion(Memregion_cb func, void *data);
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bool for_each_memregion(Memregion_cb func, void *data);
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/*
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* Return TSC tick rate in kHz.
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*
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* The function returns 0 if the TSC tick rate cannot be retrieved.
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*/
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static uint64_t get_tsc_khz(void);
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uint64_t get_tsc_khz(void);
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/*
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* Return start time of current minor frame in TSC ticks.
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*/
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static uint64_t get_sched_start(void);
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uint64_t get_sched_start(void);
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/*
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* Return end time of current minor frame in TSC ticks.
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*/
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static uint64_t get_sched_end(void);
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uint64_t get_sched_end(void);
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/*
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* Log sinfo status.
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*/
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void log_status();
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private:
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subject_info_type * sinfo;
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/*
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* Fill memregion struct with memory region info from resource given by
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* index.
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*/
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void fill_memregion_data(uint8_t idx, struct Memregion_info *region);
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/*
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* Fill channel struct with channel information from resource given by
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* index.
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*/
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void fill_channel_data(uint8_t idx, struct Channel_info *channel);
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/* Fill dev struct with data from PCI device info given by index. */
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void fill_dev_data(uint8_t idx, struct Dev_info *dev);
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};
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#endif /* _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_H_ */
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#endif /* _INCLUDE__SPEC__X86_64__MUEN__SINFO_H_ */
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@ -0,0 +1,5 @@
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SRC_CC += sinfo.cc
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vpath %.cc $(REP_DIR)/src/base/muen
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include $(REP_DIR)/lib/mk/spec/x86_64/base-common.mk
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@ -16,7 +16,6 @@ SRC_S += spec/x86_64/muen/kernel/crt0_translation_table.s
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SRC_CC += spec/x86_64/muen/kernel/cpu_exception.cc
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SRC_CC += spec/x86_64/muen/kernel/thread_exception.cc
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SRC_CC += spec/x86_64/muen/platform_support.cc
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SRC_CC += spec/x86_64/muen/sinfo.cc
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# include less specific configuration
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include $(REP_DIR)/lib/mk/spec/x86_64/core.inc
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@ -1,7 +1,7 @@
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/*
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* \brief Muen subject info
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* \author Stefan Kalkowski
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* \date 2015-06-02
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* \author Reto Buerki
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* \date 2015-04-21
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*/
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/*
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@ -11,8 +11,8 @@
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _CORE__SPEC__X86_64__MUEN__MUSINFO_H_
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#define _CORE__SPEC__X86_64__MUEN__MUSINFO_H_
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#ifndef _BASE__MUEN__MUSINFO_H_
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#define _BASE__MUEN__MUSINFO_H_
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#include <base/stdint.h>
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@ -82,4 +82,4 @@ struct subject_info_type {
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struct dev_info_type dev_info[MAX_RESOURCE_COUNT];
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} __attribute__((packed, aligned (8)));
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#endif /* _CORE__SPEC__X86_64__MUEN__MUSINFO_H_ */
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#endif /* _BASE__MUEN__MUSINFO_H_ */
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@ -13,18 +13,11 @@
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#include <base/printf.h>
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#include <util/string.h>
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#include <sinfo.h>
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#include <muen/sinfo.h>
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#include "musinfo.h"
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enum {
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SINFO_BASE_ADDR = 0xe00000000,
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};
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static const subject_info_type *
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const sinfo = ((subject_info_type *)SINFO_BASE_ADDR);
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/* Log channel information */
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static bool log_channel(
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const struct Genode::Sinfo::Channel_info * const channel,
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@ -60,48 +53,6 @@ static bool log_memregion(
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}
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/* Fill channel struct with channel information from resource given by index */
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static void fill_channel_data(uint8_t idx,
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struct Genode::Sinfo::Channel_info *channel)
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{
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const struct resource_type resource = sinfo->resources[idx];
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const struct memregion_type memregion =
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sinfo->memregions[resource.memregion_idx - 1];
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const struct channel_info_type channel_info =
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sinfo->channels_info[resource.channel_info_idx - 1];
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memset(&channel->name, 0, MAX_NAME_LENGTH + 1);
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memcpy(&channel->name, resource.name.data, resource.name.length);
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channel->address = memregion.address;
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channel->size = memregion.size;
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channel->writable = memregion.flags & MEM_WRITABLE_FLAG;
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channel->has_event = channel_info.flags & CHAN_EVENT_FLAG;
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channel->event_number = channel_info.event;
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channel->has_vector = channel_info.flags & CHAN_VECTOR_FLAG;
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channel->vector = channel_info.vector;
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}
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/* Fill memregion struct with memory region info from resource given by index */
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static void fill_memregion_data(uint8_t idx,
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struct Genode::Sinfo::Memregion_info *region)
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{
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const struct resource_type resource = sinfo->resources[idx];
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const struct memregion_type memregion =
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sinfo->memregions[resource.memregion_idx - 1];
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memset(®ion->name, 0, MAX_NAME_LENGTH + 1);
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memcpy(®ion->name, resource.name.data, resource.name.length);
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region->address = memregion.address;
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region->size = memregion.size;
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region->writable = memregion.flags & MEM_WRITABLE_FLAG;
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region->executable = memregion.flags & MEM_EXECUTABLE_FLAG;
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}
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/* Returns true if the given resource is a memory region */
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static bool is_memregion(const struct resource_type * const resource)
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{
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@ -116,32 +67,14 @@ static bool is_channel(const struct resource_type * const resource)
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}
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/* Fill dev struct with data from PCI device info given by index */
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static void fill_dev_data(uint8_t idx, struct Genode::Sinfo::Dev_info *dev)
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Sinfo::Sinfo(const addr_t base_addr)
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{
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const struct dev_info_type dev_info = sinfo->dev_info[idx];
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sinfo = ((subject_info_type *)base_addr);
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dev->sid = dev_info.sid;
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dev->irte_start = dev_info.irte_start;
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dev->irq_start = dev_info.irq_start;
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dev->ir_count = dev_info.ir_count;
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dev->msi_capable = dev_info.flags & DEV_MSI_FLAG;
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}
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Sinfo::Sinfo()
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{
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if (!check_magic()) {
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PERR("muen-sinfo: Subject information MAGIC mismatch\n");
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return;
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}
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PINF("muen-sinfo: Subject information exports %d memory region(s)\n",
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sinfo->memregion_count);
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for_each_memregion(log_memregion, 0);
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PINF("muen-sinfo: Subject information exports %d channel(s)\n",
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sinfo->channel_info_count);
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for_each_channel(log_channel, 0);
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}
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@ -269,3 +202,73 @@ uint64_t Sinfo::get_sched_end(void)
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return sinfo->tsc_schedule_end;
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}
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void Sinfo::log_status()
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{
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if (!sinfo) {
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PINF("Sinfo API not initialized");
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return;
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}
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if (!check_magic()) {
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PINF("Sinfo MAGIC not found");
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return;
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}
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PINF("muen-sinfo: Subject information exports %d memory region(s)\n",
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sinfo->memregion_count);
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for_each_memregion(log_memregion, 0);
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PINF("muen-sinfo: Subject information exports %d channel(s)\n",
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sinfo->channel_info_count);
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for_each_channel(log_channel, 0);
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}
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void Sinfo::fill_memregion_data(uint8_t idx, struct Memregion_info *region)
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{
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const struct resource_type resource = sinfo->resources[idx];
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const struct memregion_type memregion =
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sinfo->memregions[resource.memregion_idx - 1];
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memset(®ion->name, 0, MAX_NAME_LENGTH + 1);
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memcpy(®ion->name, resource.name.data, resource.name.length);
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region->address = memregion.address;
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region->size = memregion.size;
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region->writable = memregion.flags & MEM_WRITABLE_FLAG;
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region->executable = memregion.flags & MEM_EXECUTABLE_FLAG;
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}
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void Sinfo::fill_channel_data(uint8_t idx, struct Channel_info *channel)
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{
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const struct resource_type resource = sinfo->resources[idx];
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const struct memregion_type memregion =
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sinfo->memregions[resource.memregion_idx - 1];
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const struct channel_info_type channel_info =
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sinfo->channels_info[resource.channel_info_idx - 1];
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memset(&channel->name, 0, MAX_NAME_LENGTH + 1);
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memcpy(&channel->name, resource.name.data, resource.name.length);
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channel->address = memregion.address;
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channel->size = memregion.size;
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channel->writable = memregion.flags & MEM_WRITABLE_FLAG;
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channel->has_event = channel_info.flags & CHAN_EVENT_FLAG;
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channel->event_number = channel_info.event;
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channel->has_vector = channel_info.flags & CHAN_VECTOR_FLAG;
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channel->vector = channel_info.vector;
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}
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void Sinfo::fill_dev_data(uint8_t idx, struct Dev_info *dev)
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{
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const struct dev_info_type dev_info = sinfo->dev_info[idx];
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dev->sid = dev_info.sid;
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dev->irte_start = dev_info.irte_start;
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dev->irq_start = dev_info.irq_start;
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dev->ir_count = dev_info.ir_count;
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dev->msi_capable = dev_info.flags & DEV_MSI_FLAG;
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}
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@ -75,6 +75,11 @@ namespace Genode {
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*/
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void _init_io_mem_alloc();
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/**
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* Perform additional platform-specific initialization.
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*/
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void _init_additional();
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public:
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/**
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@ -1,5 +1,5 @@
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/*
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* \brief x86 mmio constants
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* \brief x86 constants
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* \author Reto Buerki
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* \date 2015-03-18
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*/
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@ -0,0 +1,34 @@
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/*
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* \brief x86_64_muen constants
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* \author Adrian-Ken Rueegsegger
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* \date 2015-07-02
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*/
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/*
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* Copyright (C) 2015 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 General Public License version 2.
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*/
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#ifndef _CORE__INCLUDE__SPEC__X86_64__MUEN__BOARD_H_
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#define _CORE__INCLUDE__SPEC__X86_64__MUEN__BOARD_H_
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namespace Genode
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{
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struct Board
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{
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enum {
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TIMER_BASE_ADDR = 0xe00010000,
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TIMER_SIZE = 0x1000,
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VECTOR_REMAP_BASE = 48,
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TIMER_VECTOR_KERNEL = 32,
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TIMER_VECTOR_USER = 50,
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};
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void init() { }
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};
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}
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#endif /* _CORE__INCLUDE__SPEC__X86_64__MUEN__BOARD_H_ */
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@ -0,0 +1,35 @@
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/*
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* \brief Sinfo kernel singleton
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* \author Reto Buerki
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* \date 2016-05-09
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*/
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/*
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* Copyright (C) 2016 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 General Public License version 2.
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*/
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#ifndef _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_INSTANCE_H_
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#define _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_INSTANCE_H_
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/* base includes */
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#include <base/printf.h>
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#include <muen/sinfo.h>
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/* core includes */
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#include <board.h>
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namespace Genode
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{
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/**
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* Return sinfo singleton
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*/
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static Sinfo * sinfo() {
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static Sinfo singleton(Sinfo::PHYSICAL_BASE_ADDR);
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return &singleton;
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}
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}
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#endif /* _CORE__INCLUDE__SPEC__X86_64__MUEN__SINFO_INSTANCE_H_ */
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@ -14,12 +14,13 @@
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#ifndef _CORE__INCLUDE__SPEC__X86_64__MUEN__TIMER_H_
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#define _CORE__INCLUDE__SPEC__X86_64__MUEN__TIMER_H_
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/* base includes */
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#include <base/printf.h>
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#include <kernel/types.h>
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/* core includes */
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#include <board.h>
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#include <sinfo.h>
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#include <sinfo_instance.h>
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namespace Genode
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{
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@ -47,6 +48,7 @@ class Genode::Timer
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struct Subject_timer * _timer_page;
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inline uint64_t rdtsc()
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{
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uint32_t lo, hi;
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@ -58,10 +60,15 @@ class Genode::Timer
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public:
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Timer() : _tics_per_ms(Sinfo::get_tsc_khz())
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Timer() :
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_tics_per_ms(sinfo()->get_tsc_khz())
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{
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/* first sinfo instance, output status */
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sinfo()->log_status();
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struct Sinfo::Memregion_info region;
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if (!Sinfo::get_memregion_info("timer", ®ion)) {
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||||
if (!sinfo()->get_memregion_info("timer", ®ion)) {
|
||||
PERR("muen-timer: Unable to retrieve time memory region");
|
||||
throw Invalid_region();
|
||||
}
|
||||
|
|
|
|||
|
|
@ -162,6 +162,8 @@ Platform::Platform()
|
|||
_rom_fs.insert(rom_module);
|
||||
}
|
||||
|
||||
_init_additional();
|
||||
|
||||
/* print ressource summary */
|
||||
if (VERBOSE) {
|
||||
printf("Core virtual memory allocator\n");
|
||||
|
|
|
|||
|
|
@ -18,6 +18,8 @@ using namespace Genode;
|
|||
|
||||
void Platform::_init_io_port_alloc() { };
|
||||
|
||||
void Platform::_init_additional() { };
|
||||
|
||||
void Platform::setup_irq_mode(unsigned, unsigned, unsigned) { }
|
||||
|
||||
Native_region * mmio_regions(unsigned);
|
||||
|
|
|
|||
|
|
@ -34,6 +34,8 @@ void Platform::_init_io_port_alloc() { }
|
|||
|
||||
void Platform::_init_io_mem_alloc() { }
|
||||
|
||||
void Platform::_init_additional() { }
|
||||
|
||||
void Platform::setup_irq_mode(unsigned, unsigned, unsigned) { }
|
||||
|
||||
long Platform::irq(long const user_irq) { return 0; }
|
||||
|
|
|
|||
|
|
@ -16,8 +16,9 @@
|
|||
#include <util/mmio.h>
|
||||
|
||||
/* core includes */
|
||||
#include <board.h>
|
||||
#include <platform.h>
|
||||
#include <sinfo.h>
|
||||
#include <sinfo_instance.h>
|
||||
|
||||
using namespace Genode;
|
||||
|
||||
|
|
@ -61,10 +62,9 @@ Native_region * Platform::_core_only_mmio_regions(unsigned const i)
|
|||
static Native_region _regions[] =
|
||||
{
|
||||
/* Sinfo pages */
|
||||
{ 0x000e00000000, 0x7000 },
|
||||
|
||||
{ Sinfo::PHYSICAL_BASE_ADDR, Sinfo::SIZE },
|
||||
/* Timer page */
|
||||
{ 0x000e00010000, 0x1000 },
|
||||
{ Board::TIMER_BASE_ADDR, Board::TIMER_SIZE },
|
||||
};
|
||||
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
|
||||
}
|
||||
|
|
@ -79,7 +79,7 @@ bool Platform::get_msi_params(const addr_t mmconf, addr_t &address,
|
|||
const unsigned sid = Mmconf_address::to_sid(mmconf);
|
||||
|
||||
struct Sinfo::Dev_info dev_info;
|
||||
if (!Sinfo::get_dev_info(sid, &dev_info)) {
|
||||
if (!sinfo()->get_dev_info(sid, &dev_info)) {
|
||||
PERR("error retrieving Muen info for device with SID 0x%x", sid);
|
||||
return false;
|
||||
}
|
||||
|
|
@ -100,9 +100,28 @@ bool Platform::get_msi_params(const addr_t mmconf, addr_t &address,
|
|||
|
||||
Native_region * Platform::_ram_regions(unsigned const i)
|
||||
{
|
||||
static Native_region _regions[] =
|
||||
{
|
||||
{ 25*1024*1024, 256*1024*1024 }
|
||||
};
|
||||
return i < sizeof(_regions)/sizeof(_regions[0]) ? &_regions[i] : 0;
|
||||
if (i)
|
||||
return 0;
|
||||
|
||||
static Native_region result = { .base = 0, .size = 0 };
|
||||
|
||||
if (!result.size) {
|
||||
struct Sinfo::Memregion_info region;
|
||||
if (!sinfo()->get_memregion_info("ram", ®ion)) {
|
||||
PERR("Unable to retrieve base-hw ram region");
|
||||
return 0;
|
||||
}
|
||||
|
||||
result = { .base = region.address, .size = region.size };
|
||||
}
|
||||
return &result;
|
||||
}
|
||||
|
||||
|
||||
void Platform::_init_additional()
|
||||
{
|
||||
/* export subject info page as ROM module */
|
||||
_rom_fs.insert(new (core_mem_alloc())
|
||||
Rom_module((addr_t)Sinfo::PHYSICAL_BASE_ADDR,
|
||||
Sinfo::SIZE, "subject_info_page"));
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,6 +23,7 @@ using namespace Genode;
|
|||
/* contains physical pointer to multiboot */
|
||||
extern "C" Genode::addr_t __initial_bx;
|
||||
|
||||
void Platform::_init_additional() { };
|
||||
|
||||
Native_region * Platform::_core_only_mmio_regions(unsigned const i)
|
||||
{
|
||||
|
|
|
|||
Loading…
Reference in New Issue