ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2025-01-29 15:44:02 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

platform_info: add kernel information (fix #3295)

Browse Source
This commit is contained in:
Stefan Kalkowski 2019-04-17 12:51:39 +02:00 committed by Christian Helmuth
parent c38c80fd43
commit f42c21f16b
9 changed files with 91 additions and 80 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
repos/base-foc/src/core/platform.cc
View File

@ -489,6 +489,7 @@ Platform::Platform() :
pages << get_page_size_log2(),
"platform_info", [&] ()
{
xml.node("kernel", [&] () { xml.attribute("name", "foc"); });
xml.node("hardware", [&] () {
_setup_platform_info(xml, sigma0_map_kip());
});

50
repos/base-hw/src/core/platform.cc
View File

@ -95,6 +95,54 @@ addr_t Platform::_rom_module_phys(addr_t virt)
}
void Platform::_init_platform_info()
{
unsigned const pages = 1;
size_t const rom_size = pages << get_page_size_log2();
void *phys_ptr = nullptr;
void *virt_ptr = nullptr;
const char *rom_name = "platform_info";
if (!ram_alloc().alloc(get_page_size(), &phys_ptr)) {
error("could not setup platform_info ROM - ram allocation error");
return;
}
if (!region_alloc().alloc(rom_size, &virt_ptr)) {
error("could not setup platform_info ROM - region allocation error");
ram_alloc().free(phys_ptr);
return;
}
addr_t const phys_addr = reinterpret_cast<addr_t>(phys_ptr);
addr_t const virt_addr = reinterpret_cast<addr_t>(virt_ptr);
if (!map_local(phys_addr, virt_addr, pages, Hw::PAGE_FLAGS_KERN_DATA)) {
error("could not setup platform_info ROM - map error");
region_alloc().free(virt_ptr);
ram_alloc().free(phys_ptr);
return;
}
Genode::Xml_generator xml(reinterpret_cast<char *>(virt_addr),
rom_size, rom_name, [&] ()
{
xml.node("kernel", [&] () { xml.attribute("name", "hw"); });
_init_additional_platform_info(xml);
});
if (!unmap_local(virt_addr, pages)) {
error("could not setup platform_info ROM - unmap error");
return;
}
region_alloc().free(virt_ptr);
_rom_fs.insert(
new (core_mem_alloc()) Rom_module(phys_addr, rom_size, rom_name));
}
Platform::Platform()
:
_io_mem_alloc(&core_mem_alloc()),
@ -133,7 +181,7 @@ Platform::Platform()
_init_io_mem_alloc();
_init_rom_modules();
_init_additional();
_init_platform_info();
/* core log as ROM module */
{

10
repos/base-hw/src/core/platform.h
View File

@ -19,6 +19,7 @@
#include <base/synced_allocator.h>
#include <base/allocator_avl.h>
#include <irq_session/irq_session.h>
#include <util/xml_generator.h>
/* base-hw includes */
#include <hw/boot_info.h>
@ -67,10 +68,15 @@ class Genode::Platform : public Genode::Platform_generic
*/
void _init_io_mem_alloc();
/**
* Initialize platform_info ROM module
*/
void _init_platform_info();
/**
* Perform additional platform-specific initialization.
* Add additional platform-specific information.
*/
void _init_additional();
void _init_additional_platform_info(Genode::Xml_generator &);
void _init_rom_modules();

2
repos/base-hw/src/core/spec/arm/platform_support.cc
View File

@ -18,7 +18,7 @@ using namespace Genode;
void Platform::_init_io_port_alloc() { };
void Platform::_init_additional() { };
void Platform::_init_additional_platform_info(Genode::Xml_generator&) { }
void Platform::setup_irq_mode(unsigned, unsigned, unsigned) { }

2
repos/base-hw/src/core/spec/riscv/platform_support.cc
View File

@ -23,7 +23,7 @@ using namespace Genode;
void Platform::_init_io_port_alloc() { }
void Platform::_init_additional() { }
void Platform::_init_additional_platform_info(Genode::Xml_generator&) { }
void Platform::setup_irq_mode(unsigned, unsigned, unsigned) { }

2
repos/base-hw/src/core/spec/x86_64/muen/platform_support.cc
View File

@ -91,7 +91,7 @@ bool Platform::get_msi_params(const addr_t mmconf, addr_t &address,
}
void Platform::_init_additional()
void Platform::_init_additional_platform_info(Xml_generator &)
{
/* export subject info page as ROM module */
_rom_fs.insert(new (core_mem_alloc())

102
repos/base-hw/src/core/spec/x86_64/platform_support.cc
View File

@ -16,87 +16,41 @@
#include <kernel/kernel.h>
#include <map_local.h>
#include <util/xml_generator.h>
using namespace Genode;
void Platform::_init_additional()
void Platform::_init_additional_platform_info(Xml_generator &xml)
{
/* export x86 platform specific infos */
xml.node("acpi", [&] () {
uint32_t const revision = _boot_info().acpi_rsdp.revision;
uint32_t const rsdt = _boot_info().acpi_rsdp.rsdt;
uint64_t const xsdt = _boot_info().acpi_rsdp.xsdt;
unsigned const pages = 1;
size_t const rom_size = pages << get_page_size_log2();
void *phys_ptr = nullptr;
void *virt_ptr = nullptr;
const char *rom_name = "platform_info";
if (revision && (rsdt || xsdt)) {
xml.attribute("revision", revision);
if (rsdt)
xml.attribute("rsdt", String<32>(Hex(rsdt)));
if (!ram_alloc().alloc(get_page_size(), &phys_ptr)) {
error("could not setup platform_info ROM - ram allocation error");
return;
}
if (!region_alloc().alloc(rom_size, &virt_ptr)) {
error("could not setup platform_info ROM - region allocation error");
ram_alloc().free(phys_ptr);
return;
}
addr_t const phys_addr = reinterpret_cast<addr_t>(phys_ptr);
addr_t const virt_addr = reinterpret_cast<addr_t>(virt_ptr);
if (!map_local(phys_addr, virt_addr, pages, Hw::PAGE_FLAGS_KERN_DATA)) {
error("could not setup platform_info ROM - map error");
region_alloc().free(virt_ptr);
ram_alloc().free(phys_ptr);
return;
}
Genode::Xml_generator xml(reinterpret_cast<char *>(virt_addr),
rom_size, rom_name, [&] ()
{
xml.node("acpi", [&] () {
uint32_t const revision = _boot_info().acpi_rsdp.revision;
uint32_t const rsdt = _boot_info().acpi_rsdp.rsdt;
uint64_t const xsdt = _boot_info().acpi_rsdp.xsdt;
if (revision && (rsdt || xsdt)) {
xml.attribute("revision", revision);
if (rsdt)
xml.attribute("rsdt", String<32>(Hex(rsdt)));
if (xsdt)
xml.attribute("xsdt", String<32>(Hex(xsdt)));
}
});
xml.node("boot", [&] () {
xml.node("framebuffer", [&] () {
Hw::Framebuffer const &boot_fb = _boot_info().framebuffer;
xml.attribute("phys", String<32>(Hex(boot_fb.addr)));
xml.attribute("width", boot_fb.width);
xml.attribute("height", boot_fb.height);
xml.attribute("bpp", boot_fb.bpp);
xml.attribute("type", boot_fb.type);
xml.attribute("pitch", boot_fb.pitch);
});
});
xml.node("hardware", [&] () {
xml.node("features", [&] () {
xml.attribute("svm", false);
xml.attribute("vmx", false);
});
if (xsdt)
xml.attribute("xsdt", String<32>(Hex(xsdt)));
}
});
xml.node("boot", [&] () {
xml.node("framebuffer", [&] () {
Hw::Framebuffer const &boot_fb = _boot_info().framebuffer;
xml.attribute("phys", String<32>(Hex(boot_fb.addr)));
xml.attribute("width", boot_fb.width);
xml.attribute("height", boot_fb.height);
xml.attribute("bpp", boot_fb.bpp);
xml.attribute("type", boot_fb.type);
xml.attribute("pitch", boot_fb.pitch);
});
});
xml.node("hardware", [&] () {
xml.node("features", [&] () {
xml.attribute("svm", false);
xml.attribute("vmx", false);
});
});
if (!unmap_local(virt_addr, pages)) {
error("could not setup platform_info ROM - unmap error");
return;
}
region_alloc().free(virt_ptr);
_rom_fs.insert(
new (core_mem_alloc()) Rom_module(phys_addr, rom_size, rom_name));
}

1
repos/base-nova/src/core/platform.cc
View File

@ -684,6 +684,7 @@ Platform::Platform()
pages << get_page_size_log2(),
"platform_info", [&] ()
{
xml.node("kernel", [&] () { xml.attribute("name", "nova"); });
xml.node("acpi", [&] () {
xml.attribute("revision", 2); /* XXX */

1
repos/base-sel4/src/core/platform.cc
View File

@ -404,6 +404,7 @@ void Platform::_init_rom_modules()
tsc_freq const * boot_freq = reinterpret_cast<tsc_freq const *>(reinterpret_cast<addr_t>(element) + sizeof(* element));
xml.node("kernel", [&] () { xml.attribute("name", "sel4"); });
xml.node("hardware", [&] () {
xml.node("features", [&] () {
#ifdef CONFIG_VTX