Inline several functions which are simple or have a single caller, to save a bit of space.

system/acpi.c

@@ -305,17 +305,6 @@ static bool parse_fadt(uintptr_t fadt_addr)
 // Public Functions
 //------------------------------------------------------------------------------
 
-int acpi_checksum(const void *data, int length)
-{
-    uint8_t sum = 0;
-
-    uint8_t *ptr = (uint8_t *)data;
-    while (length--) {
-        sum += *ptr++;
-    }
-    return sum;
-}
-
 void acpi_init(void)
 {
     acpi_config.rsdp_addr = find_rsdp();

system/acpi.h

@@ -63,7 +63,16 @@ extern acpi_t acpi_config;
 /**
  * ACPI Table Checksum Function
  */
-int acpi_checksum(const void *data, int length);
+static inline int acpi_checksum(const void *data, int length)
+{
+    uint8_t sum = 0;
+
+    uint8_t *ptr = (uint8_t *)data;
+    while (length--) {
+        sum += *ptr++;
+    }
+    return sum;
+}
 
 /**
  * Look for specific ACPI Tables Addresses (RSDP, MADT, ...)

system/cpulocal.c

@@ -12,15 +12,3 @@
 //------------------------------------------------------------------------------
 
 int local_bytes_used = 0;
-
-//------------------------------------------------------------------------------
-// Public Functions
-//------------------------------------------------------------------------------
-
-int allocate_local_flag(void)
-{
-    if (local_bytes_used == LOCALS_SIZE) {
-        return -1;
-    }
-    return local_bytes_used += sizeof(bool);
-}

system/cpulocal.h

@@ -24,13 +24,22 @@ typedef struct __attribute__((packed)) {
     uint8_t	spacing[AP_STACK_SIZE - sizeof(bool)];
 } local_flag_t;
 
+
 /**
  * Allocates an array of thread-local flags, one per CPU core, and returns
  * a ID number that identifies the allocated array. Returns -1 if there is
  * insufficient thread local storage remaining to allocate a new array of
  * flags.
  */
-int allocate_local_flag(void);
+static inline int allocate_local_flag(void)
+{
+    extern int local_bytes_used;
+    if (local_bytes_used == LOCALS_SIZE) {
+        return -1;
+    }
+    return local_bytes_used += sizeof(bool);
+}
+
 
 /**
  * Returns a pointer to the previously allocated array of thread-local flags