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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:18:31 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-05-18 13:42:15 +0300
commit437fd90c0250dee670290f9b714253671a990160 (patch)
treeb871786c360704244a07411c69fb58da9ead4a06 /qemu/roms/SLOF/lib/libnvram
parent5bbd6fe9b8bab2a93e548c5a53b032d1939eec05 (diff)
These changes are the raw update to qemu-2.6.
Collission happened in the following patches: migration: do cleanup operation after completion(738df5b9) Bug fix.(1750c932f86) kvmclock: add a new function to update env->tsc.(b52baab2) The code provided by the patches was already in the upstreamed version. Change-Id: I3cc11841a6a76ae20887b2e245710199e1ea7f9a Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'qemu/roms/SLOF/lib/libnvram')
-rw-r--r--qemu/roms/SLOF/lib/libnvram/envvar.c40
-rw-r--r--qemu/roms/SLOF/lib/libnvram/libnvram.code75
-rw-r--r--qemu/roms/SLOF/lib/libnvram/nvram.c27
-rw-r--r--qemu/roms/SLOF/lib/libnvram/nvram.h10
4 files changed, 84 insertions, 68 deletions
diff --git a/qemu/roms/SLOF/lib/libnvram/envvar.c b/qemu/roms/SLOF/lib/libnvram/envvar.c
index 87aaf27a0..ee943fce5 100644
--- a/qemu/roms/SLOF/lib/libnvram/envvar.c
+++ b/qemu/roms/SLOF/lib/libnvram/envvar.c
@@ -17,7 +17,7 @@
#include "nvram.h"
/* returns the offset of the first byte after the searched envvar */
-static int get_past_env_pos(partition_t part, char *envvar)
+static int get_past_env_pos(partition_t part, char *envvar, int evlen)
{
int offset, len;
static char temp[256];
@@ -32,7 +32,7 @@ static int get_past_env_pos(partition_t part, char *envvar)
while((data=nvram_read_byte(offset++)) && len < 256) {
temp[len++]=data;
}
- if (!strncmp(envvar, temp, strlen(envvar))) {
+ if (!strncmp(envvar, temp, evlen)) {
return offset;
}
} while (len);
@@ -43,16 +43,16 @@ static int get_past_env_pos(partition_t part, char *envvar)
/**
* @param partition name of the envvar partition
* @param envvar name of the environment variable
+ * @param evlen string length of the envvar parameter
* @return pointer to temporary string containing the value of envvar
*/
-
-char *get_env(partition_t part, char *envvar)
+char *nvram_get_env(partition_t part, char *envvar, int evlen)
{
static char temp[256+1];
int len, offset;
uint8_t data;
- DEBUG("get_env %s... ", envvar);
+ DEBUG("nvram_get_env %p... ", envvar);
if(!part.addr) {
/* ERROR: No environment variable partition */
DEBUG("invalid partition.\n");
@@ -68,7 +68,7 @@ char *get_env(partition_t part, char *envvar)
}
temp[len]=0;
- if (!strncmp(envvar, temp, strlen(envvar))) {
+ if (!strncmp(envvar, temp, evlen)) {
int pos=0;
while (temp[pos]!='=' && pos < len) pos++;
// DEBUG("value='%s'\n", temp+pos+1);
@@ -100,7 +100,7 @@ static int find_last_envvar(partition_t part)
return -1;
}
-int add_env(partition_t part, char *envvar, char *value)
+int nvram_add_env(partition_t part, char *envvar, int evlen, char *value, int vallen)
{
int freespace, last, len, offset;
unsigned int i;
@@ -112,7 +112,7 @@ int add_env(partition_t part, char *envvar, char *value)
freespace = part.addr+part.len-last;
/* how long is the entry we want to write? */
- len = strlen(envvar) + strlen(value) + 2;
+ len = evlen + vallen + 2;
if(freespace<len) {
// TODO try to increase partition size
@@ -121,18 +121,18 @@ int add_env(partition_t part, char *envvar, char *value)
offset=last;
- for(i=0; i<strlen(envvar); i++)
+ for (i = 0; i < evlen; i++)
nvram_write_byte(offset++, envvar[i]);
nvram_write_byte(offset++, '=');
- for(i=0; i<strlen(value); i++)
+ for (i = 0; i < vallen; i++)
nvram_write_byte(offset++, value[i]);
return 0;
}
-int del_env(partition_t part, char *envvar)
+int nvram_del_env(partition_t part, char *envvar, int evlen)
{
int last, current, pos, i;
char *buffer;
@@ -141,7 +141,7 @@ int del_env(partition_t part, char *envvar)
return -1;
last=find_last_envvar(part);
- current = pos = get_past_env_pos(part, envvar);
+ current = pos = get_past_env_pos(part, envvar, evlen);
// TODO is this really required?
/* go back to non-0 value */
@@ -168,25 +168,25 @@ int del_env(partition_t part, char *envvar)
return 0;
}
-int set_env(partition_t part, char *envvar, char *value)
+int nvram_set_env(partition_t part, char *envvar, int evlen, char *value, int vallen)
{
char *oldvalue, *buffer;
int last, current, buffersize, i;
- DEBUG("set_env %lx[%lx]: %s=%s\n", part.addr, part.len, envvar, value);
+ DEBUG("nvram_set_env %lx[%lx]: %p=>%p\n", part.addr, part.len, envvar, value);
if(!part.addr)
return -1;
/* Check whether the environment variable exists already */
- oldvalue = get_env(part, envvar);
+ oldvalue = nvram_get_env(part, envvar, evlen);
- if(oldvalue==NULL)
- return add_env(part, envvar, value);
+ if (oldvalue == NULL)
+ return nvram_add_env(part, envvar, evlen, value, vallen);
/* The value did not change. So we succeeded! */
- if(!strncmp(oldvalue, value, strlen(value)+1))
+ if (strlen(oldvalue) == vallen && !strncmp(oldvalue, value, vallen))
return 0;
/* we need to overwrite environment variables, back them up first */
@@ -195,7 +195,7 @@ int set_env(partition_t part, char *envvar, char *value)
/* allocate a buffer */
last=find_last_envvar(part);
- current=get_past_env_pos(part, envvar);
+ current = get_past_env_pos(part, envvar, evlen);
buffersize = last - current;
buffer=get_nvram_buffer(buffersize);
if(!buffer)
@@ -214,7 +214,7 @@ int set_env(partition_t part, char *envvar, char *value)
current++;
/* Write the new value */
- for(i=0; i<(int)strlen(value); i++) {
+ for(i = 0; i < vallen; i++) {
nvram_write_byte(current++, value[i]);
}
diff --git a/qemu/roms/SLOF/lib/libnvram/libnvram.code b/qemu/roms/SLOF/lib/libnvram/libnvram.code
index 723941d3e..8481f57f5 100644
--- a/qemu/roms/SLOF/lib/libnvram/libnvram.code
+++ b/qemu/roms/SLOF/lib/libnvram/libnvram.code
@@ -11,17 +11,6 @@
*****************************************************************************/
#include <nvram.h>
-#define STRING_INIT(str) \
- char str[255]; \
- char * str##_address; \
- int str##_length;
-
-#define STRING_FROM_STACK(str) \
- str##_length = TOS.u; POP; \
- str##_address = TOS.a; POP; \
- memcpy(str, str##_address, str##_length); \
- memset(str + str##_length, 0, 255 - str##_length);
-
PRIM(nvram_X2d_c_X40)
unsigned int offset = TOS.u;
TOS.u=nvram_read_byte(offset);
@@ -80,21 +69,18 @@ MIRP
/* get-named-nvram-partition ( name.addr name.len -- addr len FAILED? ) */
PRIM(get_X2d_named_X2d_nvram_X2d_partition)
- STRING_INIT(name)
partition_t partition;
+ int namelen = TOS.n; POP;
- STRING_FROM_STACK(name)
- partition = get_partition(-1, name);
+ partition = get_partition_fs(TOS.a, namelen);
if(partition.len && partition.len != -1) {
- PUSH;
TOS.u = partition.addr;
PUSH;
TOS.u = partition.len;
PUSH;
TOS.u = 0; // FALSE
} else {
- PUSH;
TOS.u = -1; // TRUE
}
MIRP
@@ -103,23 +89,16 @@ MIRP
/* new-nvram-partition ( type name.addr name.len len -- part.offs part.len FALSE | TRUE) */
PRIM(new_X2d_nvram_X2d_partition)
- int type, len, i, slen;
- char name[12], *addr;
+ int type, len, namelen;
partition_t partition;
+ char *name;
len = TOS.u; POP;
- slen = TOS.u; POP;
- addr = (char *)TOS.u; POP;
+ namelen = TOS.u; POP;
+ name = (char *)TOS.u; POP;
type = TOS.u; POP;
- for (i=0; i<12; i++) {
- if(slen>i)
- name[i]=addr[i];
- else
- name[i]=0;
- }
-
- partition=new_nvram_partition(type, name, len);
+ partition = new_nvram_partition_fs(type, name, namelen, len);
if(!partition.len) {
PUSH; TOS.u = -1; // TRUE
@@ -165,15 +144,17 @@ MIRP
// ( part.start part.len name.addr name.len -- var.addr var.len TRUE | false )
PRIM(internal_X2d_get_X2d_env)
- STRING_INIT(name)
+ char *name;
+ int namelen;
partition_t part;
char *val;
- STRING_FROM_STACK(name)
+ namelen = TOS.u; POP;
+ name = TOS.a; POP;
part.len = TOS.u; POP;
part.addr = TOS.u; POP;
- val=get_env(part, name);
+ val = nvram_get_env(part, name, namelen);
if(val) {
PUSH; TOS.a = val;
PUSH; TOS.u = strlen(val);
@@ -185,17 +166,19 @@ MIRP
// ( part.start part.len name.addr name.len val.addr val.len -- FALSE|TRUE)
PRIM(internal_X2d_add_X2d_env)
- STRING_INIT(name)
- STRING_INIT(value)
+ char *name, *val;
+ int namelen, vallen;
partition_t part;
int ret;
- STRING_FROM_STACK(value)
- STRING_FROM_STACK(name)
+ vallen = TOS.u; POP;
+ val = TOS.a; POP;
+ namelen = TOS.u; POP;
+ name = TOS.a; POP;
part.len = TOS.u; POP;
part.addr = TOS.u; POP;
- ret=add_env(part, name, value);
+ ret = nvram_add_env(part, name, namelen, val, vallen);
if(ret) {
PUSH; TOS.u = -1; // TRUE
} else {
@@ -205,15 +188,17 @@ MIRP
// ( part.addr part.len name.addr name.len -- FALSE|TRUE)
PRIM(internal_X2d_del_X2d_env)
- STRING_INIT(name)
+ char *name;
+ int namelen;
partition_t part;
int ret;
- STRING_FROM_STACK(name);
+ namelen = TOS.u; POP;
+ name = TOS.a; POP;
part.len = TOS.u; POP;
part.addr = TOS.u; POP;
- ret=del_env(part, name);
+ ret = nvram_del_env(part, name, namelen);
if(ret) {
PUSH; TOS.u = -1; // TRUE
} else {
@@ -224,17 +209,19 @@ MIRP
// internal-set-env ( part.addr part.len name.addr name.len val.addr val.len -- FALSE|TRUE)
PRIM(internal_X2d_set_X2d_env)
- STRING_INIT(name)
- STRING_INIT(value)
+ char *name, *value;
+ int namelen, valuelen;
partition_t part;
int ret;
- STRING_FROM_STACK(value)
- STRING_FROM_STACK(name)
+ valuelen = TOS.u; POP;
+ value = TOS.a; POP;
+ namelen = TOS.u; POP;
+ name = TOS.a; POP;
part.len = TOS.u; POP;
part.addr = TOS.u; POP;
- ret=set_env(part, name, value);
+ ret = nvram_set_env(part, name, namelen, value, valuelen);
if(ret) {
PUSH; TOS.u = -1; // TRUE
} else {
diff --git a/qemu/roms/SLOF/lib/libnvram/nvram.c b/qemu/roms/SLOF/lib/libnvram/nvram.c
index 5c1137669..473814e5c 100644
--- a/qemu/roms/SLOF/lib/libnvram/nvram.c
+++ b/qemu/roms/SLOF/lib/libnvram/nvram.c
@@ -358,6 +358,17 @@ partition_t get_partition(unsigned int type, char *name)
return ret;
}
+/* Get partition specified by a Forth string */
+partition_t get_partition_fs(char *name, int namelen)
+{
+ char buf[namelen + 1];
+
+ memcpy(buf, name, namelen);
+ buf[namelen] = 0;
+
+ return get_partition(-1, buf);
+}
+
void erase_nvram(int offset, int len)
{
int i;
@@ -466,6 +477,22 @@ partition_t new_nvram_partition(int type, char *name, int len)
return new_part;
}
+partition_t new_nvram_partition_fs(int type, char *name, int namelen, int len)
+{
+ char buf[13];
+ int i;
+
+ for (i = 0; i < 12; i++) {
+ if (i < namelen)
+ buf[i] = name[i];
+ else
+ buf[i] = 0;
+ }
+ buf[12] = 0;
+
+ return new_nvram_partition(type, buf, len);
+}
+
/**
* @param partition partition structure pointing to the partition to wipe.
*/
diff --git a/qemu/roms/SLOF/lib/libnvram/nvram.h b/qemu/roms/SLOF/lib/libnvram/nvram.h
index fa6bdd425..73fe44424 100644
--- a/qemu/roms/SLOF/lib/libnvram/nvram.h
+++ b/qemu/roms/SLOF/lib/libnvram/nvram.h
@@ -51,9 +51,11 @@ char *get_nvram_buffer(int len);
void free_nvram_buffer(char *buffer);
int nvramlog_printf(const char* fmt, ...);
partition_t get_partition(unsigned int type, char *name);
+partition_t get_partition_fs(char *name, int namelen);
void erase_nvram(int offset, int len);
int wipe_partition(partition_t partition, int header_only);
partition_t new_nvram_partition(int type, char *name, int len);
+partition_t new_nvram_partition_fs(int type, char *name, int namelen, int len);
int increase_nvram_partition_size(partition_t partition, int newsize);
int clear_nvram_partition(partition_t part);
int delete_nvram_partition(partition_t part);
@@ -65,9 +67,9 @@ void nvram_init(uint32_t store_token, uint32_t fetch_token,
unsigned int get_nvram_size(void);
/* envvar.c */
-char *get_env(partition_t part, char *envvar);
-int add_env(partition_t part, char *envvar, char *value);
-int del_env(partition_t part, char *envvar);
-int set_env(partition_t part, char *envvar, char *value);
+char *nvram_get_env(partition_t part, char *envvar, int evlen);
+int nvram_add_env(partition_t part, char *envvar, int evlen, char *value, int vallen);
+int nvram_del_env(partition_t part, char *envvar, int evlen);
+int nvram_set_env(partition_t part, char *envvar, int evlen, char *val, int vlen);
#endif