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authorStanislav Galabov <sgalabov@gmail.com>2016-02-17 15:23:31 +0200
committerDaniel Schwierzeck <daniel.schwierzeck@gmail.com>2016-05-21 01:25:50 +0200
commit78757d52c8b27f7f33ab4035706796a414c81128 (patch)
tree463a951b1ce5a32ac658a0cd48efdd97581a42a8 /examples/api
parent713a9e15bba4a5b6582d5e85fef2f282782cbed7 (diff)
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Fix FreeBSD loader API so that it works on both 32-bit and 64-bit targets.
Specifically tested on MIPS under QEMU (works with all combination of bit-ness and endian-ness) Signed-off-by: Stanislav Galabov <sgalabov@gmail.com>
Diffstat (limited to 'examples/api')
-rw-r--r--examples/api/Makefile4
-rw-r--r--examples/api/crt0.S13
-rw-r--r--examples/api/glue.c18
3 files changed, 20 insertions, 15 deletions
diff --git a/examples/api/Makefile b/examples/api/Makefile
index 4e9b8ea..6cffee7 100644
--- a/examples/api/Makefile
+++ b/examples/api/Makefile
@@ -11,8 +11,12 @@ ifeq ($(ARCH),arm)
LOAD_ADDR = 0x1000000
endif
ifeq ($(ARCH),mips)
+ifdef CONFIG_64BIT
+LOAD_ADDR = 0xffffffff80200000
+else
LOAD_ADDR = 0x80200000
endif
+endif
# Resulting ELF and binary exectuables will be named demo and demo.bin
extra-y = demo
diff --git a/examples/api/crt0.S b/examples/api/crt0.S
index ced2c82..5a7049d 100644
--- a/examples/api/crt0.S
+++ b/examples/api/crt0.S
@@ -41,28 +41,29 @@ syscall:
ldr pc, [ip]
#elif defined(CONFIG_MIPS)
+#include <asm/asm.h>
.text
.globl __start
.ent __start
__start:
- sw $sp, search_hint
+ PTR_S $sp, search_hint
b main
.end __start
.globl syscall
.ent syscall
syscall:
- sw $ra, return_addr
- lw $t9, syscall_ptr
+ PTR_S $ra, return_addr
+ PTR_L $t9, syscall_ptr
jalr $t9
nop
- lw $ra, return_addr
+ PTR_L $ra, return_addr
jr $ra
nop
.end syscall
return_addr:
- .align 4
+ .align 8
.long 0
#else
#error No support for this arch!
@@ -70,7 +71,7 @@ return_addr:
.globl syscall_ptr
syscall_ptr:
- .align 4
+ .align 8
.long 0
.globl search_hint
diff --git a/examples/api/glue.c b/examples/api/glue.c
index d619518..8aabf32 100644
--- a/examples/api/glue.c
+++ b/examples/api/glue.c
@@ -77,7 +77,7 @@ int ub_getc(void)
{
int c;
- if (!syscall(API_GETC, NULL, (uint32_t)&c))
+ if (!syscall(API_GETC, NULL, &c))
return -1;
return c;
@@ -87,7 +87,7 @@ int ub_tstc(void)
{
int t;
- if (!syscall(API_TSTC, NULL, (uint32_t)&t))
+ if (!syscall(API_TSTC, NULL, &t))
return -1;
return t;
@@ -95,12 +95,12 @@ int ub_tstc(void)
void ub_putc(char c)
{
- syscall(API_PUTC, NULL, (uint32_t)&c);
+ syscall(API_PUTC, NULL, &c);
}
void ub_puts(const char *s)
{
- syscall(API_PUTS, NULL, (uint32_t)s);
+ syscall(API_PUTS, NULL, s);
}
/****************************************
@@ -126,7 +126,7 @@ struct sys_info * ub_get_sys_info(void)
si.mr_no = UB_MAX_MR;
memset(&mr, 0, sizeof(mr));
- if (!syscall(API_GET_SYS_INFO, &err, (u_int32_t)&si))
+ if (!syscall(API_GET_SYS_INFO, &err, &si))
return NULL;
return ((err) ? NULL : &si);
@@ -344,7 +344,7 @@ char * ub_env_get(const char *name)
{
char *value;
- if (!syscall(API_ENV_GET, NULL, (uint32_t)name, (uint32_t)&value))
+ if (!syscall(API_ENV_GET, NULL, name, &value))
return NULL;
return value;
@@ -352,7 +352,7 @@ char * ub_env_get(const char *name)
void ub_env_set(const char *name, char *value)
{
- syscall(API_ENV_SET, NULL, (uint32_t)name, (uint32_t)value);
+ syscall(API_ENV_SET, NULL, name, value);
}
static char env_name[256];
@@ -369,7 +369,7 @@ const char * ub_env_enum(const char *last)
* 'name=val' string), since the API_ENUM_ENV call uses envmatch()
* internally, which handles such case
*/
- if (!syscall(API_ENV_ENUM, NULL, (uint32_t)last, (uint32_t)&env))
+ if (!syscall(API_ENV_ENUM, NULL, last, &env))
return NULL;
if (!env)
@@ -396,7 +396,7 @@ int ub_display_get_info(int type, struct display_info *di)
{
int err = 0;
- if (!syscall(API_DISPLAY_GET_INFO, &err, (uint32_t)type, (uint32_t)di))
+ if (!syscall(API_DISPLAY_GET_INFO, &err, type, di))
return API_ESYSC;
return err;