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Dynamic generation of pager size

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This commit is contained in:
Amit Mahajan
2009-11-01 23:41:49 +05:30
parent 8d9f5f82d0
commit 55eb6260c3
8 changed files with 93 additions and 41 deletions
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31
scripts/kernel/generate_kernel_cinfo.py
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@@ -60,11 +60,11 @@ cinfo_end = \
pager_start = \
'''
\t\t[0] = {
\t\t\t.start_address = (CONFIG_CONT%d_START_PC_ADDR),
\t\t\t.pager_lma = __pfn(CONFIG_CONT%d_PAGER_LMA),
\t\t\t.pager_vma = __pfn(CONFIG_CONT%d_PAGER_VMA),
\t\t\t.pager_size = __pfn(CONFIG_CONT%d_PAGER_MAPSIZE),
\t\t\t.ncaps = %d,
\t\t\t.start_address = (CONFIG_CONT%(cn)d_START_PC_ADDR),
\t\t\t.pager_lma = __pfn(CONFIG_CONT%(cn)d_PAGER_LMA),
\t\t\t.pager_vma = __pfn(CONFIG_CONT%(cn)d_PAGER_VMA),
\t\t\t.pager_size = __pfn(page_align_up(CONFIG_CONT%(cn)d_PAGER_MAPSIZE)),
\t\t\t.ncaps = %(caps)d,
\t\t\t.caps = {
'''
pager_end = \
@@ -179,6 +179,13 @@ pager_ifdefs_todotext = \
* complains that type deduction could not be done.
*/'''
# This will be filled after the containers are compiled
# and pager binaries are formed
pager_mapsize = \
'''
#define CONFIG_CONT%s_PAGER_SIZE %s
'''
pager_ifdefs = \
'''
#if defined(CONFIG_CONT%(cn)d_TYPE_LINUX)
@@ -187,9 +194,12 @@ pager_ifdefs = \
CONFIG_CONT%(cn)d_LINUX_PAGE_OFFSET)
#define CONFIG_CONT%(cn)d_PAGER_LMA (CONFIG_CONT%(cn)d_LINUX_PHYS_OFFSET)
#define CONFIG_CONT%(cn)d_PAGER_VMA (CONFIG_CONT%(cn)d_LINUX_PAGE_OFFSET)
#define CONFIG_CONT%(cn)d_PAGER_MAPSIZE CONFIG_CONT%(cn)d_LINUX_MAPSIZE
#define CONFIG_CONT%(cn)d_PAGER_MAPSIZE \\
(CONFIG_CONT%(cn)d_PAGER_SIZE + CONFIG_CONT%(cn)d_LINUX_ZRELADDR - \\
CONFIG_CONT%(cn)d_LINUX_PHYS_OFFSET)
#else
#define CONFIG_CONT%(cn)d_START_PC_ADDR (CONFIG_CONT%(cn)d_PAGER_VMA)
#define CONFIG_CONT%(cn)d_PAGER_MAPSIZE (CONFIG_CONT%(cn)d_PAGER_SIZE)
#endif
'''
def generate_pager_memory_ifdefs(containers):
@@ -200,6 +210,13 @@ def generate_pager_memory_ifdefs(containers):
if linux == 0:
pager_ifdef_string += pager_ifdefs_todotext
linux = 1
# Generate string for PAGERSIZE to be filled later by containers
id = pow(2, c.id)
str = ''
while id >= 1:
str = str + '%'
id = id - 1
pager_ifdef_string += pager_mapsize % ( str + 'd', str + 's')
pager_ifdef_string += pager_ifdefs % { 'cn' : c.id }
return pager_ifdef_string
@@ -219,7 +236,7 @@ def generate_kernel_cinfo(config, cinfo_path):
# Currently only these are considered as capabilities
total_caps = c.virt_regions + c.phys_regions + total_other_caps
fbody += cinfo_start % (c.id, c.name)
fbody += pager_start % (c.id, c.id, c.id, c.id, total_caps)
fbody += pager_start % { 'cn' : c.id, 'caps' : total_caps}
cap_index = 0
for mem_index in range(c.virt_regions):
fbody += cap_virtmem % { 'capidx' : cap_index, 'cn' : c.id, 'vn' : mem_index }