104 lines
2.2 KiB
C++
104 lines
2.2 KiB
C++
#include "../syscall/skeleton.h"
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#include "../debug/kernelpanic.h"
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#include "../debug/output.h"
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#include "../device/textstream.h"
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#include "../interrupt/guard.h"
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#include "../sync/semaphore.h"
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#include "../thread/scheduler.h"
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void *operator new(size_t, void *);
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namespace Syscall {
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namespace Skeleton {
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size_t test(Vault &vault, size_t p1, size_t p2, size_t p3, size_t p4,
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size_t p5) {
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(void)vault;
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vault.kout << "test(" << p1 << ", " << p2 << ", " << p3 << ", " << p4
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<< ", " << p5 << ");" << endl;
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return 0xdeadbeef;
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}
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int getpid(Vault &vault) {
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(void)vault;
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return -1;
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}
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size_t write(Vault &vault, uint32_t id, const void *buffer, size_t size, int x, int y) {
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(void)id;
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int dummy;
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if(x == -1 && y != -1)
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vault.kout.getPos(x, dummy);
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if(x != -1 && y == -1)
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vault.kout.getPos(dummy, y);
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if(x == -1 && y == -1)
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vault.kout.getPos(x, y);
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vault.kout.setPos(x, y);
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for(size_t i = 0; i<size; i++)
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vault.kout << ((char*)buffer)[i];
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vault.kout.flush();
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return 0;
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}
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size_t read(Vault &vault, uint32_t id, void *buf, size_t len) {
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size_t read_cnt = 0;
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while(read_cnt <= len){
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Key key;
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vault.keys.consume(key);
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if(key.valid())
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((char*)buf)[read_cnt++] = key.ascii();
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else
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return read_cnt;
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}
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return len;
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}
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void sleep(Vault &vault, size_t ms) {
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vault.bellringer.sleep(vault, ms);
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}
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bool sem_init(Vault &vault, size_t id, uint32_t value) {
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if (id >= vault.MAX_SEMS) {
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return false; // out‐of‐range id
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}
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if (vault.sems[id].used==1){
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return false; //already in use
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}
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vault.sems[id].counter=value;
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return true;
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}
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bool sem_destroy(Vault &vault, size_t id) {
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if (id >= vault.MAX_SEMS) {
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return false; // out‐of‐range id
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}
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if (vault.sems[id].used==0){
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return false; //already in free
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}
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vault.sems[id].used=0;
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vault.sems[id].counter=0;
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return true;
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}
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bool sem_signal(Vault &vault, size_t id) {
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vault.sems[id].v(vault);
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return true;
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}
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bool sem_wait(Vault &vault, size_t id) {
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vault.sems[id].p(vault);
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return true;
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}
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void exit(Vault &vault) { (void)vault; }
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} // namespace Skeleton
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} // namespace Syscall
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