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Introduce explicit break statements in the various chipsets'

Browse source 
foo_pcib_[read|write]_config() functions rather than relying on
a break or return being in the CFG macro.

This fixes a panic later in the boot process on a UP1000.  From
inspection, it looks like this fixes a similar problem in the tsunami code.

Approved by: dfr
This commit is contained in:
Andrew Gallatin 2000-08-31 16:19:27 +00:00
parent 2d47df31fb
commit cae70b8d4c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=65297
6 changed files with 28 additions and 0 deletions
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4
sys/alpha/pci/apecs_pci.c
View file

@ -140,8 +140,10 @@ apecs_pcib_read_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
SWIZ_CFGREAD(b, s, f, reg, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGREAD(b, s, f, reg, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGREAD(b, s, f, reg, LONG, u_int32_t);
}
@ -155,8 +157,10 @@ apecs_pcib_write_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
SWIZ_CFGWRITE(b, s, f, reg, val, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGWRITE(b, s, f, reg, val, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGWRITE(b, s, f, reg, val, LONG, u_int32_t);
}

8
sys/alpha/pci/cia_pci.c
View file

@ -303,8 +303,10 @@ cia_pcib_swiz_read_config(int b, int s, int f, int reg, int width)
switch (width) {
case 1:
SWIZ_CFGREAD(b, s, f, reg, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGREAD(b, s, f, reg, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGREAD(b, s, f, reg, LONG, u_int32_t);
}
@ -318,8 +320,10 @@ cia_pcib_swiz_write_config(int b, int s, int f, int reg,
switch (width) {
case 1:
SWIZ_CFGWRITE(b, s, f, reg, val, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGWRITE(b, s, f, reg, val, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGWRITE(b, s, f, reg, val, LONG, u_int32_t);
}
@ -331,8 +335,10 @@ cia_pcib_bwx_read_config(int b, int s, int f, int reg, int width)
switch (width) {
case 1:
BWX_CFGREAD(b, s, f, reg, 1, u_int8_t, ldbu);
break;
case 2:
BWX_CFGREAD(b, s, f, reg, 2, u_int16_t, ldwu);
break;
case 4:
BWX_CFGREAD(b, s, f, reg, 4, u_int32_t, ldl);
}
@ -346,8 +352,10 @@ cia_pcib_bwx_write_config(int b, int s, int f, int reg,
switch (width) {
case 1:
BWX_CFGWRITE(b, s, f, reg, val, 1, u_int8_t, stb);
break;
case 2:
BWX_CFGWRITE(b, s, f, reg, val, 2, u_int16_t, stw);
break;
case 4:
BWX_CFGWRITE(b, s, f, reg, val, 4, u_int32_t, stl);
}

4
sys/alpha/pci/irongate_pci.c
View file

@ -153,8 +153,10 @@ irongate_pcib_read_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGREAD(b, s, f, reg, 1, u_int8_t, ldbu);
break;
case 2:
CFGREAD(b, s, f, reg, 2, u_int16_t, ldwu);
break;
case 4:
CFGREAD(b, s, f, reg, 4, u_int32_t, ldl);
}
@ -168,8 +170,10 @@ irongate_pcib_write_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGWRITE(b, s, f, reg, val, 1, stb);
break;
case 2:
CFGWRITE(b, s, f, reg, val, 2, stw);
break;
case 4:
CFGWRITE(b, s, f, reg, val, 4, stl);
}

4
sys/alpha/pci/lca_pci.c
View file

@ -136,8 +136,10 @@ lca_pcib_read_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGREAD(b, s, f, reg, BYTE, u_int8_t);
break;
case 2:
CFGREAD(b, s, f, reg, WORD, u_int16_t);
break;
case 4:
CFGREAD(b, s, f, reg, LONG, u_int32_t);
}
@ -151,8 +153,10 @@ lca_pcib_write_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGWRITE(b, s, f, reg, val, BYTE, u_int8_t);
break;
case 2:
CFGWRITE(b, s, f, reg, val, WORD, u_int16_t);
break;
case 4:
CFGWRITE(b, s, f, reg, val, LONG, u_int32_t);
}

4
sys/alpha/pci/t2_pci.c
View file

@ -142,8 +142,10 @@ t2_pcib_read_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
SWIZ_CFGREAD(b, s, f, reg, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGREAD(b, s, f, reg, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGREAD(b, s, f, reg, LONG, u_int32_t);
}
@ -157,8 +159,10 @@ t2_pcib_write_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
SWIZ_CFGWRITE(b, s, f, reg, val, BYTE, u_int8_t);
break;
case 2:
SWIZ_CFGWRITE(b, s, f, reg, val, WORD, u_int16_t);
break;
case 4:
SWIZ_CFGWRITE(b, s, f, reg, val, LONG, u_int32_t);
}

4
sys/alpha/pci/tsunami_pci.c
View file

@ -224,8 +224,10 @@ tsunami_pcib_read_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGREAD(h, b, s, f, reg, ldbu, 1, u_int8_t);
break;
case 2:
CFGREAD(h, b, s, f, reg, ldwu, 2, u_int16_t);
break;
case 4:
CFGREAD(h, b, s, f, reg, ldl, 4, u_int32_t);
}
@ -240,8 +242,10 @@ tsunami_pcib_write_config(device_t dev, int b, int s, int f,
switch (width) {
case 1:
CFGWRITE(h, b, s, f, reg, val, stb, 1);
break;
case 2:
CFGWRITE(h, b, s, f, reg, val, stw, 2);
break;
case 4:
CFGWRITE(h, b, s, f, reg, val, stl, 4);
}