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17 hoursbuild: 'cmd/test' -> 'cmd/init'Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
17 hourskern/amd64: mmu: Add mmu_free_vas() to cleanup VASIan Moffett
Introduce a new resource deallocation function that destroys a specified virtual address space. Signed-off-by: Ian Moffett <ian@osmora.org>
17 hourssys: proc: Add docs for extra proc fieldsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
18 hourscmd: test: Use and link with libc stubIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
18 hourslib: Add initial libc stubIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
19 hoursbuild: Add user.mkIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
20 hoursdocs: Add build instructionsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
20 hourskern/amd64: proc: Add initial context switch logicIan Moffett
This commit introduces new functions that will be useful for having multiple processes run on the system. - Add md_proc_yield() - Add md_proc_kick() - Add md_sched_switch() Signed-off-by: Ian Moffett <ian@osmora.org>
20 hourskern: sched: Write proc result in sched_deq()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
20 hoursbuild: Add test program to src/cmd/Ian Moffett
Add a testing program for ELF loading purposes. This is to be removed in later versions of Lunos Signed-off-by: Ian Moffett <ian@osmora.org>
32 hourskern/amd64: cpu: Add process load balancingIan Moffett
This commit introduces load balancing of processes between cores by using a scalable "CPU arbiter" which decides how to fetch the next core descriptor. Signed-off-by: Ian Moffett <ian@osmora.org>
32 hourskernel/amd64: mp: Use NULL instead of wrappingIan Moffett
It is best to return NULL when there is no next CPU instead of wrapping so we have an indicator at where the list ends. Signed-off-by: Ian Moffett <ian@osmora.org>
32 hourssys: cpuvar: Mark machine dependent routines as MDIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
33 hourskern: init: Add L5 bootup logoIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
33 hourskern: Make memmap dump configurable via kconfIan Moffett
Use the OSMORA kernel configuration framework to add options for L5Lunos to parse during early startup. Signed-off-by: Ian Moffett <ian@osmora.org>
34 hourskern/amd64: mp: Add cpu_get() routineIan Moffett
This commit introduces a new cpu_get() function to acquire a specific CPU by using a logical ID as an index. Signed-off-by: Ian Moffett <ian@osmora.org>
34 hoursbuild: Create sysroot on bootstrapIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
34 hourskern/amd64: mp: Use zero-based index in corelistIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
36 hourskern/amd64: mdcpu: Document GDT fields in mdcoreIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
36 hourskern/amd64: cpu: Make GDT per-cpu to match TSSIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
36 hourskern/amd64: proc: Do not kick proc in md_set_ip()Ian Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
36 hourskern/amd64: tss: Fix stack allocation sizeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
36 hourskern/amd64: cpu: Initialize platform before LAPICIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
37 hourstools: Add script to get hardware documentationIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
37 hoursMerge branch 'dev'Ian Moffett
37 hourskern: proc: Add initialization code for ring 3Ian Moffett
This commit introduces several new functions for switching the processor into a ring three context along with its task's respective process descriptors to be implemented correctly. - Add md_set_ip() to update proc instruction pointer - Add stack definitions - Add stack mapping logic ... Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern: proc: Add initialization code for ring 3Ian Moffett
This commit introduces several new functions for switching the processor into a ring three context along with its task's respective process descriptors to be implemented correctly. - Add md_set_ip() to update proc instruction pointer - Add stack definitions - Add stack mapping logic ... Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskernel: elf: Load ELFs into memoryIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskernel: elf: Use memcpy() and remove memset() callIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern: elf: Fix frame calcs + style cleanupIan Moffett
Allocate more than one frame that exists and increment by one if zero. We also did some style fix ups, added an #undef and a break. Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern: elf: Default to PROT_READ | PROT_USERIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern: elf: Don't load blank program headersIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern/amd64: Add 'curproc' field to 'pcore'Ian Moffett
Add a current processor field to the processor core descriptor in order to keep track of which process is currently running. Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern/amd64: proc: Store trapframe in PCBIan Moffett
Store a trapframe in the process control block so that state may be saved and restored between contexts Signed-off-by: Ian Moffett <ian@osmora.org>
38 hourskern/amd64: mmu: Condence update into one line + fixIan Moffett
Condence the page table write into a single line and point the next table as a virtual address Signed-off-by: Ian Moffett <ian@osmora.org>
42 hourskern: vm: Implement lazy allocation for vm_map()Ian Moffett
Introduce lazy allocation in the vm_map() function. When passing a zero value to any of the base address fields of the map spec, allocate our own memory. Signed-off-by: Ian Moffett <ian@osmora.org>
43 hourskern/amd64: mmu: Add routine to switch VASIan Moffett
This commit introduces a new mmu_write_vas() function to allow the caller to change the virtual address space used by the current processor. Signed-off-by: Ian Moffett <ian@osmora.org>
43 hourskern/amd65: mmu: Do not pass virtual address overIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
44 hourskern: Add initial ELF loader sourcesIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
44 hourssys: Add sys/elf.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayskern: proc: Add initial proc init + PCB codeIan Moffett
This commit introduces the initial logic for putting process descriptors in an initialized state. This commit also introduces the process control block definition. Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayskern/amd64: mmu: Add mmu_new_vas() routineIan Moffett
This commit introduces the ability to create new virtual address spaces for user programs and a zeroed lower half. Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayssys: Add sys/atomic.hIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
2 dayssys: mman: Add PROT_USER flagIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: os: Introduce support for OMAR initramfsIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vm_map: Add guard pages at end of mappingsIan Moffett
Place a guard page at the end of every mapping to catch overflows before they start corrupting the system. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern: vm: Add MI vm_map() functionIan Moffett
Introduce a machine independent mechanism to map multiple pages through the new vm_map() function Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: lapic: Panic if MMIO base has movedIan Moffett
Verify the edge case where firmware may want to move/remap the Local APIC MMIO base as we are making an assumption that the base starts at 0xFEE00000. Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayskern/amd64: cpu: Add initial SMP startup codeIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
3 dayssys: limits: Add CPU_MAX limitIan Moffett
Signed-off-by: Ian Moffett <ian@osmora.org>
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