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kernel: read syscall

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Matheus
2023-05-10 20:14:27 -03:00
parent cfdab9598d
commit 40caded8ae
3 changed files with 57 additions and 7 deletions
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patches/mlibc/jinx-working-patch.patch
+11 -5
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@@ -113,10 +113,10 @@ index 0000000..e5b087a
+
diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
new file mode 100644
index 0000000..6715503
index 0000000..80a5884
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,143 @@
@@ -0,0 +1,148 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -225,9 +225,14 @@ index 0000000..6715503
+ *fd = ret;
+ return 0;
+ };
+
+ int sys_read(int fd, void *buff, size_t count, ssize_t *bytes_read) {
+ return ENOSYS;
+ long readc;
+ long error = syscall(SYSCALL_READ, &readc, fd, (uint64_t)buff, count);
+ *bytes_read = readc;
+ return error;
+ }
+
+ int sys_write(int fd, const void *buff, size_t count, ssize_t *bytes_written) {
+ return ENOSYS;
+ }
@@ -279,16 +284,17 @@ index 0000000..990eca0
+#endif
diff --git mlibc-workdir/sysdeps/astral/include/astral/syscall.h mlibc-workdir/sysdeps/astral/include/astral/syscall.h
new file mode 100644
index 0000000..6ef92cd
index 0000000..17c0045
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/include/astral/syscall.h
@@ -0,0 +1,26 @@
@@ -0,0 +1,27 @@
+#ifndef _SYSCALL_H_INCLUDE
+#define _SYSCALL_H_INCLUDE
+
+#define SYSCALL_PRINT 0
+#define SYSCALL_MMAP 1
+#define SYSCALL_OPENAT 2
+#define SYSCALL_READ 3
+
+#include <stddef.h>
+#include <stdint.h>