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nova: Store memory ranges for NUMA nodes.

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This commit is contained in:
Michael Mueller
2022-10-20 17:02:27 +02:00
parent 0761449e9f
commit 59d06871a3
2 changed files with 21 additions and 0 deletions
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19
repos/base-nova/src/core/include/platform.h
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@@ -19,6 +19,7 @@
#include <platform_generic.h>
#include <core_mem_alloc.h>
#include <address_space.h>
#include <base/allocator.h>
namespace Genode {
@@ -51,6 +52,7 @@ namespace Genode {
/* map of virtual cpu ids in Genode to kernel cpu ids */
uint8_t map_cpu_ids[MAX_SUPPORTED_CPUS];
uint8_t cpu_numa_map[MAX_SUPPORTED_CPUS];
Genode::Range_allocator::Range numa_mem_ranges[MAX_SUPPORTED_CPUS]; // TODO: Add new macro for max of numa regions
addr_t _map_pages(addr_t phys_page, addr_t pages,
bool guard_page = false);
@@ -120,10 +122,27 @@ namespace Genode {
unsigned pager_index(Affinity::Location location) const;
unsigned kernel_cpu_id(Affinity::Location location) const;
/**
* @brief ID of NUMA region the CPU belongs to
*
* @param kernel_cpu_id id of CPU
* @return unsigned ID of corresponding NUMA region
*/
unsigned domain_of_cpu(unsigned kernel_cpu_id) const {
return cpu_numa_map[kernel_cpu_id];
}
/**
* @brief Return memory range of a given NUMA region
*
* @param numa_id ID of NUMA region
* @return Genode::Range_allocator::Range physical address range for this NUMA region
*/
Genode::Range_allocator::Range &mem_range(unsigned numa_id) {
return numa_mem_ranges[numa_id];
}
Affinity::Location sanitize(Affinity::Location location) {
return Affinity::Location(location.xpos() % _cpus.width(),
location.ypos() % _cpus.height(),

2
repos/base-nova/src/core/platform.cc
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@@ -522,6 +522,8 @@ Platform::Platform()
_io_mem_alloc.remove_range((addr_t)base, (size_t)size);
ram_alloc().add_range((addr_t)base, (size_t)size);
log("Add mem range ", reinterpret_cast<void*>(base), "-", reinterpret_cast<void*>(base + size), " for node ", mem_desc->domain);
numa_mem_ranges[mem_desc->domain] = {base, base + size};
}
addr_t hyp_log = 0;