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Fix bugs and have emulator emulate itself

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This commit is contained in:
Justine Tunney 2020-08-31 05:17:31 -07:00
parent 5aabacb361
commit bd29223891
111 changed files with 1283 additions and 2073 deletions
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4
tool/build/lib/syscall.c
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@ -66,7 +66,7 @@
#define P(x) ((x) ? PNN(x) : 0)
#define ASSIGN(D, S) memcpy(&D, &S, MIN(sizeof(S), sizeof(D)))
static const struct MachineFdCb kMachineFdCbHost = {
const struct MachineFdCb kMachineFdCbHost = {
.close = close,
.read = read,
.write = write,
@ -282,7 +282,7 @@ static int64_t OpMmap(struct Machine *m, int64_t virt, size_t size, int prot,
if (real == MAP_FAILED) return -1;
if (!(flags & MAP_FIXED)) {
if (0 <= virt && virt < 0x400000) virt = 0x400000;
if ((virt = FindPml4t(m->cr3, virt, size, MallocPage)) == -1) return -1;
if ((virt = FindPml4t(m->cr3, virt, size)) == -1) return -1;
}
CHECK_NE(-1, RegisterMemory(m, virt, real, size));
return virt;