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-rw-r--r--test.h214
1 files changed, 121 insertions, 93 deletions
diff --git a/test.h b/test.h
index 2b14728..0c42723 100644
--- a/test.h
+++ b/test.h
@@ -22,26 +22,26 @@
#define E820_NVS 4
struct e820entry {
- unsigned long long addr; /* start of memory segment */
- unsigned long long size; /* size of memory segment */
- unsigned long type; /* type of memory segment */
+ unsigned long long addr; /* start of memory segment */
+ unsigned long long size; /* size of memory segment */
+ unsigned long type; /* type of memory segment */
};
struct mem_info_t {
- unsigned long e88_mem_k; /* 0x00 */
- unsigned long e801_mem_k; /* 0x04 */
- unsigned long e820_nr; /* 0x08 */
- struct e820entry e820[E820MAX]; /* 0x0c */
- /* 0x28c */
+ unsigned long e88_mem_k; /* 0x00 */
+ unsigned long e801_mem_k; /* 0x04 */
+ unsigned long e820_nr; /* 0x08 */
+ struct e820entry e820[E820MAX]; /* 0x0c */
+ /* 0x28c */
};
typedef unsigned long ulong;
-#define STACKSIZE (8*1024)
-#define MAX_MEM 0x7FF00000 /* 8 TB */
-#define WIN_SZ 0x80000 /* 2 GB */
-#define UNMAP_SZ (0x100000-WIN_SZ) /* Size of umappped first segment */
+#define STACKSIZE_BYTES (8*1024)
+#define MAX_MEM_PAGES 0x7FF00000 /* 8 TB; units are 4K pages */
+#define WIN_SZ_PAGES 0x80000 /* 2 GB; units are 4K pages */
+#define UNMAP_SZ_PAGES (0x100000-WIN_SZ_PAGES) /* Size of unmapped first segment */
-#define SPINSZ 0x4000000 /* 256 MB */
+#define SPINSZ_DWORDS 0x4000000 /* 256 MB; units are dwords (32-bit words) */
#define MOD_SZ 20
#define BAILOUT if (bail) return(1);
#define BAILR if (bail) return;
@@ -106,11 +106,11 @@ typedef unsigned long ulong;
#define getCx86(reg) ({ outb((reg), 0x22); inb(0x23); })
-int memcmp(const void *s1, const void *s2, ulong count);
-void *memmove(void *dest, const void *src, ulong n);
-int strncmp(const char *s1, const char *s2, ulong n);
-int strstr(char *str1, char *str2);
-int strlen(char *string);
+int mt86_memcmp(const void *s1, const void *s2, ulong count);
+void *mt86_memmove(void *dest, const void *src, ulong n);
+int mt86_strncmp(const char *s1, const char *s2, ulong n);
+int mt86_strstr(char *str1, char *str2);
+int mt86_strlen(char *string);
int query_linuxbios(void);
int query_pcbios(void);
int insertaddress(ulong);
@@ -136,7 +136,12 @@ void movinvr(int cpu);
void movinv32(int iter, ulong p1, ulong lb, ulong mb, int sval, int off,
int cpu);
void modtst(int off, int iter, ulong p1, ulong p2, int cpu);
-void error(ulong* adr, ulong good, ulong bad);
+#define ASSERT(n) do { \
+ if (!(n)) { \
+ assert_fail(__FILE__, __LINE__); \
+ } } while(0)
+void assert_fail(const char* file, int line_no);
+void mt86_error(ulong* adr, ulong good, ulong bad);
void ad_err1(ulong *adr1, ulong *adr2, ulong good, ulong bad);
void ad_err2(ulong *adr, ulong bad);
void do_tick();
@@ -181,9 +186,9 @@ void clear_screen(void);
void paging_off(void);
void show_spd(void);
int map_page(unsigned long page);
-void *mapping(unsigned long page_address);
-void *emapping(unsigned long page_address);
-int isdigit(char c);
+void *mapping(unsigned long phys_page); // get VA for a physical page
+void *emapping(unsigned long phys_page);
+int mt86_isdigit(char c);
ulong memspeed(ulong src, ulong len, int iter);
unsigned long page_of(void *ptr);
ulong correct_tsc(ulong el_org);
@@ -193,6 +198,25 @@ void find_ticks_for_pass(void);
void beep(unsigned int frequency);
void exit(int status);
+// Expose foreach_segment here for self_test, otherwise
+// it would be local to test.c:
+typedef void(*segment_fn)(ulong* start, // start address
+ ulong len_dw, // length of segment in dwords
+ const void* ctx); // any context data needed
+void foreach_segment(ulong* start, ulong* end,
+ int me, const void* ctx, segment_fn func);
+
+
+// In self-test, DEBUGF wraps libc's printf.
+// In memtest standalone, printf will be a stub
+// and 'vv->debugging' is false to avoid call overhead.
+int printf(const char *format, ...);
+#define DEBUGF(...) { \
+ if (vv->debugging) { \
+ printf(__VA_ARGS__); \
+ } \
+ }
+
#define PRINTMODE_SUMMARY 0
#define PRINTMODE_ADDRESSES 1
#define PRINTMODE_PATTERNS 2
@@ -207,62 +231,63 @@ struct pair {
static inline void cache_off(void)
{
- asm(
- "push %eax\n\t"
- "movl %cr0,%eax\n\t"
- "orl $0x40000000,%eax\n\t" /* Set CD */
- "movl %eax,%cr0\n\t"
- "wbinvd\n\t"
- "pop %eax\n\t");
+ asm(
+ "push %eax\n\t"
+ "movl %cr0,%eax\n\t"
+ "orl $0x40000000,%eax\n\t" /* Set CD */
+ "movl %eax,%cr0\n\t"
+ "wbinvd\n\t"
+ "pop %eax\n\t");
}
static inline void cache_on(void)
{
- asm(
- "push %eax\n\t"
- "movl %cr0,%eax\n\t"
- "andl $0x9fffffff,%eax\n\t" /* Clear CD and NW */
- "movl %eax,%cr0\n\t"
- "pop %eax\n\t");
+ asm(
+ "push %eax\n\t"
+ "movl %cr0,%eax\n\t"
+ "andl $0x9fffffff,%eax\n\t" /* Clear CD and NW */
+ "movl %eax,%cr0\n\t"
+ "pop %eax\n\t");
}
struct mmap {
- ulong pbase_addr;
- ulong *start;
- ulong *end;
+ ulong pbase_addr;
+ ulong *start; // VA of segment start
+ ulong *end; // VA of the last dword within the segment.
};
struct pmap {
- ulong start;
- ulong end;
+ ulong start; /* phys page number of RAM segment start,
+ in 4K pages. */
+ ulong end; // phys page number (past the end? or inclusive?)
};
struct tseq {
- short sel;
- short cpu_sel;
- short pat;
- short iter;
- short errors;
- char *msg;
+ short sel; // enabled
+ short cpu_sel; // cpu_sel == 0 indicates end of tseq[] array
+ short pat; // the test #
+ short iter; // # of iterations to run
+ short errors; // error count, updated as tests run
+ char *msg;
};
struct xadr {
- ulong page;
- ulong offset;
+ ulong page;
+ ulong offset;
};
struct err_info {
- struct xadr low_addr;
- struct xadr high_addr;
- unsigned long ebits;
- long tbits;
- short min_bits;
- short max_bits;
- unsigned long maxl;
- unsigned long eadr;
- unsigned long exor;
- unsigned long cor_err;
- short hdr_flag;
+ struct xadr low_addr;
+ struct xadr high_addr;
+ unsigned long ebits;
+ long tbits;
+ short min_bits;
+ short max_bits;
+ unsigned long maxl;
+ unsigned long eadr;
+ unsigned long exor;
+ unsigned long cor_err;
+ short hdr_flag;
};
@@ -271,47 +296,50 @@ struct err_info {
#define MAX_MEM_SEGMENTS E820MAX
-/* Define common variables accross relocations of memtest86 */
+/* Define common variables across relocations of memtest86 */
struct vars {
- int pass;
- int msg_line;
- int ecount;
- int ecc_ecount;
- int msegs;
- int testsel;
- int scroll_start;
- int pass_ticks;
- int total_ticks;
- int pptr;
- int tptr;
- struct err_info erri;
- struct pmap pmap[MAX_MEM_SEGMENTS];
- volatile struct mmap map[MAX_MEM_SEGMENTS];
- ulong plim_lower;
- ulong plim_upper;
- ulong clks_msec;
- ulong starth;
- ulong startl;
- ulong snaph;
- ulong snapl;
- int printmode;
- int numpatn;
- struct pair patn [BADRAM_MAXPATNS];
- ulong test_pages;
- ulong selected_pages;
- ulong reserved_pages;
- int check_temp;
- int fail_safe;
- int each_sec;
- int beepmode;
- int exit;
+ int pass;
+ int msg_line;
+ int ecount;
+ int ecc_ecount;
+ int msegs; // number of entries in pmap[]
+ int testsel;
+ int scroll_start;
+ int pass_ticks;
+ int total_ticks;
+ int pptr;
+ int tptr;
+ struct err_info erri;
+ // PA ranges from e820 table:
+ struct pmap pmap[MAX_MEM_SEGMENTS];
+ // VA mappings:
+ volatile struct mmap map[MAX_MEM_SEGMENTS];
+ ulong plim_lower; // phys page number
+ ulong plim_upper; // phys page number
+ ulong clks_msec;
+ ulong starth;
+ ulong startl;
+ ulong snaph;
+ ulong snapl;
+ int printmode;
+ int numpatn;
+ struct pair patn [BADRAM_MAXPATNS];
+ ulong test_pages;
+ ulong selected_pages;
+ ulong reserved_pages;
+ int check_temp;
+ int fail_safe;
+ int each_sec;
+ int beepmode;
+ int debugging; // Set in selftest only
+ int exit;
};
#define FIRMWARE_UNKNOWN 0
#define FIRMWARE_PCBIOS 1
#define FIRMWARE_LINUXBIOS 2
-extern struct vars * const v;
+extern struct vars * const vv;
extern unsigned char _start[], _end[], startup_32[];
extern unsigned char _size, _pages;
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-05-19 04:59:44 +0200