Imperial-MEng/pintos_22
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Merge basic system calls with stack set-up infrastructure #27

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td1223 merged 31 commits from user-programs into user-programs-stdout 2024-11-06 22:21:28 +00:00
Conversation 4 Commits 31 Files Changed 6 +9 -121
1 changed files with 9 additions and 121 deletions
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Showing only changes of commit fcb7e9e441 - Show all commits

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src/userprog/process.c
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@@ -457,7 +457,7 @@ setup_stack (void **esp)
{ {
success = install_page (((uint8_t *) PHYS_BASE) - PGSIZE, kpage, true); success = install_page (((uint8_t *) PHYS_BASE) - PGSIZE, kpage, true);
if (success) if (success)
*esp = PHYS_BASE; *esp = PHYS_BASE - 12;
else else
palloc_free_page (kpage); palloc_free_page (kpage);
} }